**Archived extract:** 2026-10-09 (UTC). Frozen data; observation dates are shown as captured. [View the current site](/) # Rivers & streamflow in Finland Rivers and live streamflow gauging stations in Finland: 137 rivers and 231 discharge gauges from official hydrology providers. Dataset built 2026-10-09T12:15:16.537822+00:00 · page generated 2026-10-09T12:20:30.802Z. ## Rivers in Finland (137) - [Vuoksi](/archive/2026-10-09/rivers/vuoksi.html) - [Ossauskoski](/archive/2026-10-09/rivers/ossauskoski.html) - [Valajaskoski](/archive/2026-10-09/rivers/valajaskoski.html) - [Karunki](/archive/2026-10-09/rivers/karunki.html) - [Torne](/archive/2026-10-09/rivers/torne.html) - [Kemijoki](/archive/2026-10-09/rivers/kemijoki.html) - [Pirttikoski](/archive/2026-10-09/rivers/pirttikoski.html) - [Seitakorva](/archive/2026-10-09/rivers/seitakorva.html) - [Piirteenvirta](/archive/2026-10-09/rivers/piirteenvirta.html) - [Merikoski](/archive/2026-10-09/rivers/merikoski.html) - [Konnivesi](/archive/2026-10-09/rivers/konnivesi.html) - [Kokemenjoki](/archive/2026-10-09/rivers/kokemenjoki.html) - [Kolsi](/archive/2026-10-09/rivers/kolsi.html) - [Pälli](/archive/2026-10-09/rivers/palli.html) - [Pielisjoki](/archive/2026-10-09/rivers/pielisjoki.html) - [Päijänne](/archive/2026-10-09/rivers/paijanne.html) - [Oulujärvi](/archive/2026-10-09/rivers/oulujarvi.html) - [Hartolankoski](/archive/2026-10-09/rivers/hartolankoski.html) - [Konnus tulvakanava](/archive/2026-10-09/rivers/konnus-tulvakanava.html) - [Leivonvesi](/archive/2026-10-09/rivers/leivonvesi.html) - [Nokia](/archive/2026-10-09/rivers/nokia.html) - [Maalismaa](/archive/2026-10-09/rivers/maalismaa.html) - [Alaköngäs](/archive/2026-10-09/rivers/alakongas.html) - [Ounasjoki](/archive/2026-10-09/rivers/ounasjoki.html) - [Kaitakoski](/archive/2026-10-09/rivers/kaitakoski.html) - [Konnevesi - luusua](/archive/2026-10-09/rivers/konnevesi-luusua.html) - [Patsoyoki](/archive/2026-10-09/rivers/patsoyoki-647.html) - [Muonio](/archive/2026-10-09/rivers/muonio.html) - [Onnelansuvanto](/archive/2026-10-09/rivers/onnelansuvanto.html) - [Leppikoski](/archive/2026-10-09/rivers/leppikoski.html) - [Kurenalus](/archive/2026-10-09/rivers/kurenalus.html) - [Nuasjärvi](/archive/2026-10-09/rivers/nuasjarvi.html) - [Lempäälä+Kuokkalankoski](/archive/2026-10-09/rivers/lempaala-kuokkalankoski.html) - [Muroleenkoski](/archive/2026-10-09/rivers/muroleenkoski.html) - [Emäjoki](/archive/2026-10-09/rivers/emajoki.html) - [Siuruanjoki](/archive/2026-10-09/rivers/siuruanjoki.html) - [Lokka](/archive/2026-10-09/rivers/lokka.html) - [Porovesi](/archive/2026-10-09/rivers/porovesi.html) - [Koitajoki](/archive/2026-10-09/rivers/koitajoki.html) - [Ontojärvi](/archive/2026-10-09/rivers/ontojarvi.html) - [Aittokoski](/archive/2026-10-09/rivers/aittokoski.html) - [Liekune](/archive/2026-10-09/rivers/liekune.html) - [Karjalankoski](/archive/2026-10-09/rivers/karjalankoski.html) - [Keppo](/archive/2026-10-09/rivers/keppo.html) - [Väätäjänsuvanto](/archive/2026-10-09/rivers/vaatajansuvanto.html) - [Kelukoski](/archive/2026-10-09/rivers/kelukoski.html) - [Kiikun pato virtaama](/archive/2026-10-09/rivers/kiikun-pato-virtaama.html) - [Kaitfors](/archive/2026-10-09/rivers/kaitfors.html) - [Harjunniva](/archive/2026-10-09/rivers/harjunniva.html) - [Saarijärvi - luusua](/archive/2026-10-09/rivers/saarijarvi-luusua.html) - [Ivalojoki](/archive/2026-10-09/rivers/ivalojoki.html) - [Padinki](/archive/2026-10-09/rivers/padinki.html) - [Haapakoski](/archive/2026-10-09/rivers/haapakoski.html) - [Oulankajoki](/archive/2026-10-09/rivers/oulankajoki.html) - [Koskenkylänjoki](/archive/2026-10-09/rivers/koskenkylanjoki.html) - [Tengeliönjoki](/archive/2026-10-09/rivers/tengelionjoki.html) - [Petäjävesi - luusua](/archive/2026-10-09/rivers/petajavesi-luusua.html) - [Olkkajärvi](/archive/2026-10-09/rivers/olkkajarvi.html) - [Tunkkari](/archive/2026-10-09/rivers/tunkkari.html) - [Jaurakkajärvi - luusua](/archive/2026-10-09/rivers/jaurakkajarvi-luusua.html) - [Hossanjärvi - luusua](/archive/2026-10-09/rivers/hossanjarvi-luusua.html) - [Kyröskoski](/archive/2026-10-09/rivers/kyroskoski.html) - [Vuosjärvi](/archive/2026-10-09/rivers/vuosjarvi.html) - [Pyhäjärvi](/archive/2026-10-09/rivers/pyhajarvi.html) - [Iijärvi - luusua](/archive/2026-10-09/rivers/iijarvi-luusua.html) - [Oulu](/archive/2026-10-09/rivers/oulu.html) - [Lentua - luusua](/archive/2026-10-09/rivers/lentua-luusua.html) - [Yanisyoki](/archive/2026-10-09/rivers/yanisyoki.html) - [Ähtävänjoki](/archive/2026-10-09/rivers/ahtavanjoki.html) - [Nilakka](/archive/2026-10-09/rivers/nilakka.html) - [Jämsänkosken sp](/archive/2026-10-09/rivers/jamsankosken-sp.html) - [Laakajärvi](/archive/2026-10-09/rivers/laakajarvi.html) - [Vilppulankoski](/archive/2026-10-09/rivers/vilppulankoski.html) - [Hypöistenkoski](/archive/2026-10-09/rivers/hypoistenkoski.html) - [Ryötönkoski](/archive/2026-10-09/rivers/ryotonkoski.html) - [Hosionkoski](/archive/2026-10-09/rivers/hosionkoski.html) - [Peltokoski](/archive/2026-10-09/rivers/peltokoski.html) - [Yrttikosken säänn. Pato](/archive/2026-10-09/rivers/yrttikosken-saann-pato.html) - [Irnijärvi](/archive/2026-10-09/rivers/irnijarvi.html) - [Vikajärvi - luusua](/archive/2026-10-09/rivers/vikajarvi-luusua.html) - [Rauhajärvi - luusua](/archive/2026-10-09/rivers/rauhajarvi-luusua.html) - [Sorsavesi](/archive/2026-10-09/rivers/sorsavesi.html) - [Ruskeakoski](/archive/2026-10-09/rivers/ruskeakoski.html) - [Kostonjärvi](/archive/2026-10-09/rivers/kostonjarvi.html) - [Pyhäjärvi](/archive/2026-10-09/rivers/pyhajarvi-683.html) - [Vuokkijärvi - luusua](/archive/2026-10-09/rivers/vuokkijarvi-luusua.html) - [Perniönjoki Pohjankoski](/archive/2026-10-09/rivers/pernionjoki-pohjankoski.html) - [Mäkelänkoski](/archive/2026-10-09/rivers/makelankoski.html) - [Raanujärvi](/archive/2026-10-09/rivers/raanujarvi.html) - [Unari - luusua](/archive/2026-10-09/rivers/unari-luusua.html) - [Lämsänkosken ohijuoksutus](/archive/2026-10-09/rivers/lamsankosken-ohijuoksutus.html) - [Lotta](/archive/2026-10-09/rivers/lotta.html) - [Lammasjärvi - luusua](/archive/2026-10-09/rivers/lammasjarvi-luusua.html) - [Sääksjärvi - luusua](/archive/2026-10-09/rivers/saaksjarvi-luusua.html) - [Sonkajärvi - luusua](/archive/2026-10-09/rivers/sonkajarvi-luusua.html) - [Vatajankoski](/archive/2026-10-09/rivers/vatajankoski.html) - [Saanijärvi - luusua](/archive/2026-10-09/rivers/saanijarvi-luusua.html) - [Jumisko](/archive/2026-10-09/rivers/jumisko.html) - [Jalasjoen säänn.pato](/archive/2026-10-09/rivers/jalasjoen-saann-pato.html) - [Kitinen](/archive/2026-10-09/rivers/kitinen.html) - [Suolijärvi - luusua](/archive/2026-10-09/rivers/suolijarvi-luusua.html) - [Jongunjoki](/archive/2026-10-09/rivers/jongunjoki.html) - [Kalliojärvi - luusua](/archive/2026-10-09/rivers/kalliojarvi-luusua.html) - [Valtimonjoki](/archive/2026-10-09/rivers/valtimonjoki.html) - [Ounasjärvi - luusua](/archive/2026-10-09/rivers/ounasjarvi-luusua.html) - [Maavesi](/archive/2026-10-09/rivers/maavesi.html) - [Muojärvi - luusua](/archive/2026-10-09/rivers/muojarvi-luusua.html) - [Myllymäki](/archive/2026-10-09/rivers/myllymaki.html) - [Allmänningsforsen](/archive/2026-10-09/rivers/allmanningsforsen.html) - [Verla](/archive/2026-10-09/rivers/verla.html) - [Saarenpää](/archive/2026-10-09/rivers/saarenpaa.html) - [Perus](/archive/2026-10-09/rivers/perus.html) - [Saramojoki](/archive/2026-10-09/rivers/saramojoki.html) - [Nellimjoki](/archive/2026-10-09/rivers/nellimjoki.html) - [Juvankoski](/archive/2026-10-09/rivers/juvankoski.html) - [Väänteenjoki](/archive/2026-10-09/rivers/vaanteenjoki.html) - [Kalajärven voimalaitos](/archive/2026-10-09/rivers/kalajarven-voimalaitos.html) - [Naamijoki](/archive/2026-10-09/rivers/naamijoki.html) - [Sattasjoki](/archive/2026-10-09/rivers/sattasjoki.html) - [Pyhäjärvi - luusua](/archive/2026-10-09/rivers/pyhajarvi-luusua.html) - [Haukipudas](/archive/2026-10-09/rivers/haukipudas.html) - [Hankavesi - luusua](/archive/2026-10-09/rivers/hankavesi-luusua.html) - [Niemelänjärvi - luusua](/archive/2026-10-09/rivers/niemelanjarvi-luusua.html) - [Reis-Vuohtajärvi](/archive/2026-10-09/rivers/reis-vuohtajarvi.html) - [Köpingsbro](/archive/2026-10-09/rivers/kopingsbro.html) - [Kitusjärvi - luusua](/archive/2026-10-09/rivers/kitusjarvi-luusua.html) - [Lamujoki](/archive/2026-10-09/rivers/lamujoki.html) - [Haapajärvi - luusua](/archive/2026-10-09/rivers/haapajarvi-luusua.html) - [Repojoki](/archive/2026-10-09/rivers/repojoki.html) - [Utsjoki](/archive/2026-10-09/rivers/utsjoki.html) - [Nummenjoki](/archive/2026-10-09/rivers/nummenjoki.html) - [Kellojärvi - luusua](/archive/2026-10-09/rivers/kellojarvi-luusua.html) - [Keyritty - luusua](/archive/2026-10-09/rivers/keyritty-luusua.html) - [Karhijärvenpato](/archive/2026-10-09/rivers/karhijarvenpato.html) - [Kiskonjoki](/archive/2026-10-09/rivers/kiskonjoki.html) - [Kymijoki](/archive/2026-10-09/rivers/kymijoki.html) - [Taasianjoki](/archive/2026-10-09/rivers/taasianjoki.html) ## Gauging stations in Finland 231 discharge gauges report streamflow in Finland. | Station | River | Discharge (m³/s) | Historical Comparison | Observed | Measurement | Provider | Lat, Lon | Source | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Taivalkoski | Ossauskoski | 918.6 | Much above normal — 77% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 65.93, 24.718 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Ossauskoski | Ossauskoski | 795.2 | Much above normal — 54% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 66.155, 25.128 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Valajaskoski | Valajaskoski | 767.2 | Much above normal — 58% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 66.423, 25.544 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Petäjäskoski | Valajaskoski | 715.1 | Much above normal — 47% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 66.271, 25.341 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Montta | Pälli | 614.3 | Much above normal — 212% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.82, 26.018 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Karunki | Karunki | 610.7 | Much above normal — 83% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 66.03, 24.025 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Pälli | Pälli | 605.5 | Much above normal — 214% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.843, 26.198 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Merikoski | Merikoski | 569.8 | Much above normal — 169% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 65.022, 25.477 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Utanen | Oulujärvi | 549.5 | Much above normal — 198% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.736, 26.482 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Nuojua | Oulujärvi | 526.2 | Much above normal — 185% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.577, 26.719 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Vanttauskoski | Pirttikoski | 490.9 | Much above normal — 64% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 66.367, 26.69 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Oulujärvi, Jylhämä | Oulujärvi | 486.6 | Much above normal — 178% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.571, 26.785 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Pello | Torne | 484.1 | Much above normal — 53% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 66.785, 23.916 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Pirttikoski | Pirttikoski | 438.8 | Much above normal — 48% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 66.339, 27.159 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Maalismaa | Maalismaa | 438.5 | Much above normal — 188% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 65.306, 25.683 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Raasakka | Maalismaa | 427.8 | Much above normal — 186% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 65.334, 25.415 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Seitakorva | Seitakorva | 423.2 | Much above normal — 51% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 66.475, 27.357 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Haapakoski | Kurenalus | 338.7 | Much above normal — 187% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 65.329, 26.209 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Pahkakoski | Kurenalus | 336.6 | Much above normal — 182% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 65.357, 26.042 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kierikki | Kurenalus | 334 | Much above normal — 171% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 65.359, 25.916 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Vuoksi, Tainionkoski | Vuoksi | 290.2 | Much below normal — 51% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 61.21, 28.787 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Vuoksi, Imatra | Vuoksi | 286.8 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 61.17, 28.78 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Pielisjoki, Kaltimo | Pielisjoki | 248.1 | Normal — 33% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 62.769, 30.134 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kemihaara | Kemijoki | 237.3 | Much above normal — 116% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 67.198, 27.789 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Nuasjärvi, Koivukoski | Nuasjärvi | 232.8 | Much above normal — 343% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.226, 27.74 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Savukoski | Kemijoki | 230.8 | Much above normal — 129% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 67.287, 28.165 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kallavesi - Konnus + Karvio | Sorsavesi | 225.1 | Much above normal — 160% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 62.549, 27.772 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kurenalus | Kurenalus | 224.6 | Much above normal — 187% above the historic median | 2026-10-09 | daily mean | Finnish Environment Institute | 65.363, 26.994 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Alaköngäs | Alaköngäs | 223.3 | Much above normal — 52% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 70.076, 27.699 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Leppikoski | Leppikoski | 223 | Much above normal — 142% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.455, 27.89 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Koitajoki, Pamilo | Koitajoki | 191.1 | Much above normal — 214% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.801, 30.432 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kaitakoski | Kaitakoski | 185 | Above normal — 20% above the historic median | 2026-10-04 | daily mean | Finnish Environment Institute | 68.908, 28.453 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Onnelansuvanto | Onnelansuvanto | 175.8 | Much above normal — 53% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 69.911, 27.031 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kallavesi, Konnus | Sorsavesi | 160.9 | Much above normal — 198% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 62.549, 27.772 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kymijoki, kokonaisvirtaama | Kymijoki | 157.5 | Much below normal — 21% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.493, 26.454 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Ounasjoki, Marraskoski | Ounasjoki | 157.2 | Normal — 13% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 66.794, 25.424 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Emäjoki, Seitenoikea | Emäjoki | 154.2 | Much above normal — 104% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.592, 28.419 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Piirteenvirta | Piirteenvirta | 153 | Much below normal — 24% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.668, 26.846 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kolsi | Kolsi | 150.7 | Normal — 17% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 61.27, 22.361 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Piirteenvirta | Piirteenvirta | 148.9 | Much below normal — 22% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.641, 26.76 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Hartolankoski | Hartolankoski | 148.9 | Normal — 46% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 61.328, 22.85 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Keltti | Piirteenvirta | 145.7 | Much below normal — 21% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.874, 26.617 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Muonionjoki, Muonio | Muonio | 145.1 | Above normal — 24% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 67.945, 23.664 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Myllykoski | Piirteenvirta | 145 | Much below normal — 23% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.767, 26.775 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Onkivesi, Viannonkoski | Porovesi | 144.3 | Much above normal — 245% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.22, 27.207 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Anjala | Piirteenvirta | 143.2 | Much below normal — 22% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.698, 26.821 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kuusankoski | Piirteenvirta | 141.3 | Much below normal — 29% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.907, 26.652 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Konnivesi, Vuolenkoski | Konnivesi | 139.6 | Below normal — 12% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 61.079, 26.186 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Voikkaa | Piirteenvirta | 136.3 | Much below normal — 27% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.938, 26.601 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kitinen, Kurkiaska | Kelukoski | 132.9 | Much above normal — 53% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 67.284, 26.733 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Harjavalta | Kolsi | 129.5 | Normal — 1% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 61.337, 22.118 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Väätäjänsuvanto | Väätäjänsuvanto | 128.5 | Much above normal — 189% above the historic median | 2026-10-09 | daily mean | Finnish Environment Institute | 65.494, 27.944 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Ontojärvi, Katerma | Ontojärvi | 122.9 | Much above normal — 241% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 64.096, 28.978 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Konnuskoski | Sorsavesi | 121 | Above normal — 124% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 62.549, 27.771 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Mankala | Konnivesi | 118.7 | Much below normal — 28% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.926, 26.272 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Päijänne, Kalkkinen | Päijänne | 118.3 | Much below normal — 28% below the historic median | 2026-10-09 | daily mean | Finnish Environment Institute | 61.281, 25.597 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Aittokoski | Aittokoski | 117.5 | Much above normal — 133% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.836, 28.856 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Haukipudas | Haukipudas | 117.1 | Much above normal — 201% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 65.193, 25.411 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Äetsä | Hartolankoski | 114.2 | Normal — 20% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 61.279, 22.699 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kiantajärvi, Ämmäkoski | Vuokkijärvi - luusua | 105.7 | Much above normal — 190% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.879, 28.919 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Muonionjoki, Kaaresuvanto | Muonio | 105.1 | Much above normal — 47% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 68.442, 22.499 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Porovesi, Nerohvirta | Porovesi | 104.6 | Much above normal — 180% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.467, 27.226 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kelukoski | Kelukoski | 104.5 | Much above normal — 77% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 67.455, 26.6 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Karjalankoski | Karjalankoski | 91.49 | Much above normal — 202% above the historic median | 2026-10-06 | daily mean | Finnish Environment Institute | 63.044, 28.308 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Saraavesi, Kuhankoski | Leivonvesi | 91.11 | Normal — 4% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.376, 25.951 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Lammasjärvi - luusua | Lammasjärvi - luusua | 91.04 | Much above normal — 213% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 64.127, 29.506 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Nokia | Nokia | 90.45 | Normal — 21% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 61.462, 23.44 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Simo | Hosionkoski | 89.95 | Much above normal — 167% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 65.665, 25.093 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kymijoki, länsihaara | Kymijoki | 88.66 | Much below normal — 22% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.493, 26.454 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Matarakoski | Kitinen | 86.23 | Much above normal — 82% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 67.584, 26.749 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Klåsarö | Kymijoki | 85.49 | Much below normal — 23% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.531, 26.529 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Leppävesi, Vaajakoski | Leivonvesi | 83.92 | Normal — 12% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 62.244, 25.891 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Ahvenkoski | Kymijoki | 83.36 | Much below normal — 23% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.493, 26.454 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Harjunniva | Harjunniva | 79.9 | Much above normal — 287% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.624, 25.403 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kitinen, Vajukoski | Kitinen | 79.26 | Above normal — 94% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 67.693, 26.806 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Länkelä | Harjunniva | 79 | Above normal — 191% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.769, 24.874 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Olkkajärvi, Permantokoski | Olkkajärvi | 78.8 | Much above normal — 112% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 66.492, 26.131 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Siuruanjoki, Leuvankoski | Siuruanjoki | 77.65 | Much above normal — 181% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 65.404, 25.864 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Jaurakkajärvi - luusua | Jaurakkajärvi - luusua | 72.34 | Much above normal — 130% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 65.203, 27.625 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Niskakoski | Padinki | 71.74 | Much above normal — 158% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.202, 24.118 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Tengeliönjoki, Haapakoski | Tengeliönjoki | 71.64 | Much above normal — 278% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 66.381, 23.788 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Vikajärvi - luusua | Vikajärvi - luusua | 70.86 | Much above normal — 111% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 66.621, 26.223 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kymijoki, itähaara | Piirteenvirta | 68.8 | Much below normal — 21% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.522, 26.867 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Varisvesi, Karvio | Saarijärvi - luusua | 63.31 | Above normal — 83% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.514, 28.643 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Konnus tulvakanava | Konnus tulvakanava | 62.71 | — | 2026-10-09 | daily mean | Finnish Environment Institute | 62.548, 27.773 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Oulankajoki | Oulankajoki | 58.65 | Much above normal — 153% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 66.369, 29.319 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Vanajavesi - Kuokkalankoski | Lempäälä+Kuokkalankoski | 58.33 | Much above normal — 47% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 61.329, 23.753 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Lempäälä+Kuokkalankoski | Lempäälä+Kuokkalankoski | 58.33 | Normal — 47% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 61.308, 23.753 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Lentua - luusua | Lentua - luusua | 57.68 | Much above normal — 207% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.19, 29.587 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Pernoonkoski | Piirteenvirta | 54.53 | Much below normal — 34% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.58, 26.791 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Hosionkoski | Hosionkoski | 53.9 | Much above normal — 151% above the historic median | 2026-10-09 | daily mean | Finnish Environment Institute | 65.918, 25.838 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Ounasjoki, Köngäs | Ounasjoki | 51 | Normal — 7% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 67.878, 24.849 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Ivalojoki, Pajakoski | Ivalojoki | 49.46 | Above normal — 41% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 68.554, 27.279 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Korkeakoski | Piirteenvirta | 46.46 | Much below normal — 23% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.531, 26.911 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Uljua + Siikajoki | Lämsänkosken ohijuoksutus | 43.82 | Much above normal — 536% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.336, 25.875 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Muroleenkoski | Muroleenkoski | 43.57 | Normal — 57% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 61.854, 23.914 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kyrönjoki, Hanhikoski | Kiikun pato virtaama | 39.36 | Normal — 39% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.959, 22.714 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kyröskoski | Kyröskoski | 38.58 | Much above normal — 184% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 61.668, 23.193 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kostonjärvi, pato | Kostonjärvi | 38.44 | Much above normal — 312% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 65.75, 28.494 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kiimasjärvi, Hietamankoski | Pyhäjärvi | 37.38 | Above normal — 114% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.603, 25.57 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Keppo | Keppo | 37.36 | Normal — 95% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.361, 22.702 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Sonkajärvi - luusua | Sonkajärvi - luusua | 37.13 | Much above normal — 342% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.699, 27.426 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Hamari | Padinki | 36.57 | Above normal — 161% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.075, 24.583 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Leivonvesi, Simuna | Leivonvesi | 35.06 | Normal — 19% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.38, 26.178 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Suolijärvi - luusua | Suolijärvi - luusua | 34.82 | Much above normal — 100% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 65.144, 28.073 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Inarijoki, Karigasniemi | Inarijoki | 33.97 | Normal — 16% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 69.395, 25.849 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Hossanjärvi - luusua | Hossanjärvi - luusua | 33.5 | Much above normal — 179% above the historic median | 2026-10-09 | daily mean | Finnish Environment Institute | 65.417, 29.556 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Uljuan juoksutus vl | Lämsänkosken ohijuoksutus | 30.57 | Much above normal — 280% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.336, 25.875 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Lahnakoski | Kaitfors | 29.59 | Normal — 86% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.782, 23.328 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Luiro, Kammonen | Lokka | 29.29 | Much above normal — 64% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 67.492, 27.561 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Irnijärvi, pato | Irnijärvi | 29.28 | Much above normal — 248% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 65.553, 28.922 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Peltokoski | Peltokoski | 28.68 | Much above normal — 230% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.149, 23.837 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Oksava vl | Jämsänkosken sp | 28.16 | Much above normal — 405% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.804, 25.248 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Långfors | Ähtävänjoki | 26.23 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 63.628, 22.951 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Konnevesi - luusua | Konnevesi - luusua | 25.74 | Below normal — 30% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.608, 26.324 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Billnäs | Peltokoski | 24.88 | Above normal — 194% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.086, 23.646 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Padinki | Padinki | 24.84 | Above normal — 148% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64, 24.771 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Vuosjärvi, Huopanankoski | Vuosjärvi | 24.7 | Above normal — 83% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.044, 25.529 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kaitfors, kokonaisvirtaama | Kaitfors | 24.11 | Normal — 62% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.698, 23.388 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Vuokkijärvi - luusua | Vuokkijärvi - luusua | 23.78 | Above normal — 59% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.813, 29.123 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kiikun pato virtaama | Kiikun pato virtaama | 23.63 | Much above normal — 260% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.858, 22.797 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Jongunjoki, Viitakoski | Jongunjoki | 23.04 | Much above normal — 82% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.563, 30.018 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Koivukoski | Piirteenvirta | 22.34 | Normal — 12% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.522, 26.867 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Skatila | Kiikun pato virtaama | 22.22 | Normal — 35% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.092, 21.888 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Sutela | Piirteenvirta | 22.2 | Normal — 4% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.509, 26.879 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kiltuanjärvi, Jyrkkä | Laakajärvi | 21.98 | Much above normal — 552% above the historic median | 2026-10-06 | daily mean | Finnish Environment Institute | 63.777, 27.812 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Hankavesi - luusua | Hankavesi - luusua | 21.97 | Below normal — 33% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.617, 26.711 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Utsjoki, Patoniva | Utsjoki | 21.9 | Above normal — 47% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 69.783, 27.004 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Valtimonjoki, Kuokkastenkoski | Valtimonjoki | 21.03 | Much above normal — 100% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 63.541, 28.958 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Evijärvi, Kaarenhaara | Ähtävänjoki | 20.96 | — | 2026-10-09 | daily mean | Finnish Environment Institute | 63.433, 23.401 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Haapakoski | Haapakoski | 20.1 | Above normal — 56% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.141, 25.308 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Tampparinkoski | Mäkelänkoski | 20 | Above normal — 144% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.961, 23.061 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Jumisko | Jumisko | 19.62 | Above normal — 29% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 66.514, 27.786 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Finnholm | Ähtävänjoki | 19.44 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 63.555, 23.159 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Niemelänjärvi - luusua | Niemelänjärvi - luusua | 19.39 | Much above normal — 150% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.625, 28.691 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Herrfors | Ähtävänjoki | 19.26 | Above normal — 32% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.623, 22.884 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Hattar | Ähtävänjoki | 19.26 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 63.573, 23.133 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Saramojoki, Roukkajankoski | Saramojoki | 18.99 | Much above normal — 98% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.644, 29.097 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Atro | Laakajärvi | 18.97 | Normal — 66% above the historic median | 2026-10-06 | daily mean | Finnish Environment Institute | 63.372, 27.991 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Mäkelänkoski, kokonaisvirtaama | Mäkelänkoski | 18.9 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 62.908, 23.281 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kattilakoski | Ähtävänjoki | 18.86 | Above normal — 39% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.47, 23.31 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Muojärvi - luusua | Muojärvi - luusua | 18.73 | Much above normal — 122% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 65.871, 29.96 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Unari - luusua | Unari - luusua | 18.53 | Above normal — 57% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 67.13, 25.751 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Björkfors, Q | Ähtävänjoki | 17.78 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 63.521, 23.214 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Ruskeakoski | Ruskeakoski | 17.62 | Normal — 45% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 62.427, 30.445 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Vilppulankoski | Vilppulankoski | 17.1 | Above normal — 70% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.013, 24.509 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Hourunkoski, kokonaisvirtaama | Mäkelänkoski | 17.02 | Much above normal — 375% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.951, 23.144 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Vääräkoski | Ruskeakoski | 16.91 | Normal — 16% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 62.214, 30.504 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Sattasjoki | Sattasjoki | 16.67 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 67.604, 26.338 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Lamujoki | Lamujoki | 16.23 | Much above normal — 174% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.33, 25.855 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Ähtävänjoki, Hanhikoski | Ähtävänjoki | 16.03 | Above normal — 24% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.332, 23.571 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Tunkkari | Tunkkari | 16.02 | Normal — 61% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.498, 23.76 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Vahvajärvi - luusua | Liekune | 15.53 | Normal — 1% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 61.604, 26.656 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kellojärvi - luusua | Kellojärvi - luusua | 15.44 | Much above normal — 211% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.213, 29.026 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Juotas, konevirtaama | Pirttikoski | 15.25 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 66.32, 26.954 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Saarenpää | Saarenpää | 14.09 | Normal — 62% above the historic median | 2026-10-09 | daily mean | Finnish Environment Institute | 63.986, 23.764 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Värnum | Ähtävänjoki | 13.46 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 63.59, 23.097 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Lämsänkosken ohijuoksutus | Lämsänkosken ohijuoksutus | 13.25 | Much above normal — 4,317% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.303, 26.159 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Saarijärvi - luusua | Saarijärvi - luusua | 13.1 | Above normal — 79% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.93, 28.656 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Siuro, ylä | Kyröskoski | 13 | Normal — 13% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 61.477, 23.336 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Liekune, Kissakoski | Liekune | 12.38 | Normal — 16% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 61.624, 26.751 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Keyritty - luusua | Keyritty - luusua | 12.28 | Much above normal — 182% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.37, 28.378 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Pitkämö | Jalasjoen säänn.pato | 12.1 | Normal — 10% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.584, 22.414 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kalliojärvi - luusua | Kalliojärvi - luusua | 12.07 | Much above normal — 105% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.26, 29.909 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Verla | Verla | 11.45 | Much below normal — 36% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 61.063, 26.643 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Väänteenjoki | Väänteenjoki | 11.41 | Much above normal — 117% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.335, 24.069 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Venetpalo | Pyhäjärvi - luusua | 11.26 | Normal — 95% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.894, 25.784 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Iijärvi - luusua | Iijärvi - luusua | 11.2 | Above normal — 39% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 69.509, 28.042 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Oulunkylä | Myllymäki | 10.98 | Normal — 3% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.238, 24.987 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Naamijoki | Naamijoki | 10.97 | Above normal — 40% above the historic median | 2026-10-09 | daily mean | Finnish Environment Institute | 67.134, 23.986 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Killinkoski | Ryötönkoski | 10.75 | Normal — 80% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.402, 23.886 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Valtimonjoki, Nuolikoski | Valtimonjoki | 10.46 | Much above normal — 111% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.708, 28.761 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Pyhäjärvi, Puhos | Pyhäjärvi | 10.14 | Above normal — 290% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 62.095, 29.879 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Repojoki | Repojoki | 10.01 | Above normal — 36% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 68.445, 25.942 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Nilakka, Äyskoski | Nilakka | 9.94 | Normal — 4% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.011, 26.681 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Nummenjoki, Pirkkula | Nummenjoki | 9.62 | Much above normal — 158% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.385, 23.939 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Reis-Vuohtajärvi, pato | Reis-Vuohtajärvi | 9.33 | Much above normal — 344% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.644, 25.06 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Pyhäjärvi - luusua | Pyhäjärvi - luusua | 8.95 | Much above normal — 132% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.732, 25.981 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Iso-Vietonen, Kaaranneskoski | Raanujärvi | 8.73 | Normal — 26% above the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 66.646, 24.43 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Sälevä | Laakajärvi | 8.47 | Normal — 16% above the historic median | 2026-10-06 | daily mean | Finnish Environment Institute | 63.513, 27.952 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Petäjävesi - luusua | Petäjävesi - luusua | 8.2 | Above normal — 91% above the historic median | 2026-10-09 | daily mean | Finnish Environment Institute | 62.205, 25.188 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Hankavesi - Inha | Ryötönkoski | 8.16 | Normal — 144% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.513, 24.13 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Myllymäki | Myllymäki | 8.06 | Normal — 5% below the historic median | 2026-10-09 | daily mean | Finnish Environment Institute | 60.296, 24.868 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Ryötönkoski, kokonaisvirtaama | Ryötönkoski | 7.59 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 62.515, 24.118 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Lämsä meno (uljuan täyttökanava) | Lämsänkosken ohijuoksutus | 6.94 | Normal — 30% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 64.303, 26.159 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Pyhäjärvi, Parantala | Pyhäjärvi | 6.73 | Much above normal — 6,698% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.641, 25.503 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Patanan tekoallas | Yrttikosken säänn. Pato | 6.35 | Much above normal — 275% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.302, 23.986 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Juntola | Juvankoski | 6.1 | Normal — 53% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.539, 22.706 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Vatajankoski | Vatajankoski | 6.09 | — | 2026-10-05 | daily mean | Finnish Environment Institute | 61.926, 22.243 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Saanijärvi - luusua | Saanijärvi - luusua | 5.95 | Above normal — 165% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.383, 25.58 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Juvankoski | Juvankoski | 5.74 | Normal — 71% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.576, 22.763 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kalajärvi + Seinäjoki | Kalajärven voimalaitos | 5.47 | Above normal — 169% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.559, 23.064 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Perus | Perus | 5.38 | Below normal — 51% below the historic median | 2026-10-09 | daily mean | Finnish Environment Institute | 62.238, 21.586 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kalajärven voimalaitos | Kalajärven voimalaitos | 5.18 | Above normal — 197% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.551, 23.096 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kitusjärvi - luusua | Kitusjärvi - luusua | 5.16 | Normal — 127% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.279, 24.043 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Rauhajärvi - luusua | Rauhajärvi - luusua | 5.12 | Below normal — 31% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 61.909, 26.92 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Iso-Kaihua | Pirttikoski | 5.03 | — | 2026-10-07 | daily mean | Finnish Environment Institute | 66.373, 26.83 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Laakajärvi, Kiltua | Laakajärvi | 4.95 | Normal — 37% above the historic median | 2026-10-06 | daily mean | Finnish Environment Institute | 63.831, 27.898 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Ounasjärvi - luusua | Ounasjärvi - luusua | 4.88 | Normal — 16% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 68.396, 23.757 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Niiles | Jalasjoen säänn.pato | 4.77 | Normal — 28% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.582, 22.469 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kiskonjoki, Koski, kokonaisvirtaama | Kiskonjoki | 4.36 | Normal — 54% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.179, 23.29 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kiskonjoki, Koski, pato | Kiskonjoki | 4.04 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 60.179, 23.29 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Haapajärvi - luusua | Haapajärvi - luusua | 3.95 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 60.869, 24.504 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Koskenkylänjoki, Niinikoski | Koskenkylänjoki | 3.45 | Normal — 21% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.516, 25.943 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Raanujärvi, Jolma | Raanujärvi | 3.08 | Normal — 27% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 66.648, 24.678 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Halinen | Hypöistenkoski | 2.99 | Normal — 34% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.464, 22.309 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Sääksjärvi - luusua | Sääksjärvi - luusua | 2.98 | Normal — 6% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 61.381, 22.466 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Yrttikosken säänn. Pato | Yrttikosken säänn. Pato | 2.86 | Much above normal — 115% above the historic median | 2026-10-09 | daily mean | Finnish Environment Institute | 63.314, 24.118 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Nellimjoki | Nellimjoki | 2.81 | Below normal — 31% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 68.849, 28.329 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Liuna | Maavesi | 2.59 | — | 2026-10-06 | daily mean | Finnish Environment Institute | 62.172, 27.796 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Lokka, pato | Lokka | 2.57 | Above normal — 121% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 67.821, 27.748 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Taasianjoki, Holmankoski | Taasianjoki | 2.48 | Normal — 35% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.485, 26.317 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Karhijärvenpato,ala | Karhijärvenpato | 1.7 | Normal — 23% below the historic median | 2026-10-09 | daily mean | Finnish Environment Institute | 61.594, 22.322 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Peerajärvi - luusua | Peerajärvi - luusua | 1.51 | Above normal — 26% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 68.88, 21.081 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Allmänningsforsen | Allmänningsforsen | 1.42 | Much below normal — 78% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.509, 21.375 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Perniönjoki Pohjankoski | Perniönjoki Pohjankoski | 1.3 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 60.302, 23.136 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Maavesi | Maavesi | 1.01 | Below normal — 70% below the historic median | 2026-10-06 | daily mean | Finnish Environment Institute | 62.219, 27.58 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Jämsänkosken sp | Jämsänkosken sp | 0.99 | Above normal — 24,650% above the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 63.8, 25.251 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Sorsavesi, Sorsakoski | Sorsavesi | 0.89 | Below normal — 50% below the historic median | 2026-10-06 | daily mean | Finnish Environment Institute | 62.449, 27.662 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Yrttikoski ohivirtaus | Yrttikosken säänn. Pato | 0.74 | — | 2026-10-09 | daily mean | Finnish Environment Institute | 63.316, 24.117 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Hypöistenkoski | Hypöistenkoski | 0.72 | Normal — 50% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 60.648, 22.598 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Köpingsbro, Malax | Köpingsbro | 0.69 | Much below normal — 75% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.943, 21.551 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Pihkoo | Piirteenvirta | 0.5 | Normal — at the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.52, 26.863 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kiskonjoki, Koski, kalatie | Kiskonjoki | 0.32 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 60.18, 23.294 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Paaskoski | Kymijoki | 0.3 | Normal — 56% below the historic median | 2026-10-07 | daily mean | Finnish Environment Institute | 60.538, 26.505 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Jalkakosken sp | Reis-Vuohtajärvi | 0.14 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 63.693, 25.151 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Kauhajoen säänn.pato | Jalasjoen säänn.pato | 0 | Much below normal — 100% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.587, 22.38 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Jalasjoen säänn.pato | Jalasjoen säänn.pato | 0 | Below normal — 100% below the historic median | 2026-10-08 | daily mean | Finnish Environment Institute | 62.582, 22.469 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Naapuskoski | Konnus tulvakanava | 0 | — | 2026-10-07 | daily mean | Finnish Environment Institute | 62.546, 27.819 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Konnus laivakanava | Konnus tulvakanava | 0 | — | 2026-10-07 | daily mean | Finnish Environment Institute | 62.548, 27.776 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | | Vanajavesi - Lempäälän kanava | Lempäälä+Kuokkalankoski | 0 | — | 2026-10-08 | daily mean | Finnish Environment Institute | 61.309, 23.753 | [source](https://www.syke.fi/en/environmental-data/open-web-services/environmental-data-apis) | ### Data providers Finnish Environment Institute [Explore Finland on the interactive map →](/archive/2026-10-09/)