Tahko, Finland. Every ski winter from 1950/51 to 2025/26.
Every day of every winter
Each row is a winter, oldest at the top. Each column is a day, from the start of the season to the end. The darker the blue, the more snow fell that day.
Loading the daily snowfall…
Climate change
Average winter temperature at the summit
Faster warming than 91% of 736 resorts
+3.1°C+5.5°F
The trend: from -8°C18°F to -5°C23°F. Point at a winter to read it.
Snowfall at the summit
+3%
The trend: from 1.5 m59 in to 1.5 m61 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 0 to 0. Point at a winter to read it.
Days with a base at the summit
−37 days
The trend: from 148 to 111. Point at a winter to read it.
Days with fresh snow at the summit
±0 days
The trend: from 48 to 49. Point at a winter to read it.
Each dot is one winter. The curve is a running average over about ten winters; the dotted line is the straight trend through all of them, and the changes above are measured along it. One winter is weather; the trend is climate.
Then and now
Then 1950/51–1979/80Now 1996/97–2025/26
- Snowfall at the summit+2%
Then
1.5 m59 in
Now
1.5 m60 in
- Snowfall in the village+2%
Then
1.5 m60 in
Now
1.6 m61 in
- Powder days at the summit±0 days
Then
0
Now
0
- Days with a base at the summit−25 days
Then
140
Now
115
- Average temperature at the summit+1.8°C+3.3°F
Then
-7°C19°F
Now
-5°C22°F
Averages per winter over the first and last 30 winters. A powder day brings 10 cm4 in or more of new snow; a base is 30 cm12 in or more on the ground.
Records
All winters
- 1950s1950/511.7 m67 in1951/522.3 m89 in1952/531.5 m58 in1953/5499 cm39 in1954/551.6 m64 in1955/561.3 m52 in1956/571.2 m48 in1957/581.2 m48 in1958/591.6 m65 in1959/601.0 m41 in
- 1960s1960/611.7 m68 in1961/621.4 m56 in1962/631.1 m43 in1963/6492 cm36 in1964/651.6 m63 in1965/661.5 m59 in1966/671.8 m70 in1967/681.4 m56 in1968/691.4 m57 in1969/701.6 m62 in
- 1970s1970/712.1 m83 in1971/721.5 m59 in1972/731.4 m56 in1973/741.9 m73 in1974/752.4 m93 in1975/761.2 m49 in1976/771.6 m63 in1977/781.1 m44 in1978/791.2 m46 in1979/801.3 m51 in
- 1980s1980/812.0 m79 in1981/821.6 m65 in1982/831.8 m71 in1983/841.9 m73 in1984/851.2 m49 in1985/861.2 m48 in1986/871.1 m45 in1987/881.8 m70 in1988/891.6 m64 in1989/901.6 m64 in
- 1990s1990/911.3 m53 in1991/921.9 m74 in1992/931.6 m63 in1993/941.5 m60 in1994/951.7 m66 in1995/961.1 m43 in1996/971.7 m67 in1997/981.7 m68 in1998/991.2 m47 in1999/001.8 m70 in
- 2000s2000/011.4 m55 in2001/021.6 m62 in2002/031.2 m47 in2003/041.5 m57 in2004/051.4 m54 in2005/061.3 m50 in2006/071.2 m46 in2007/081.8 m69 in2008/091.3 m51 in2009/101.4 m53 in
- 2010s2010/111.2 m48 in2011/121.7 m66 in2012/131.1 m44 in2013/141.2 m48 in2014/151.9 m73 in2015/161.7 m68 in2016/171.7 m65 in2017/182.0 m80 in2018/191.5 m59 in2019/202.0 m79 in
- 2020s2020/211.6 m62 in2021/221.7 m68 in2022/231.8 m70 in2023/241.9 m75 in2024/251.3 m50 in2025/2687 cm34 in
Modelled weather from ERA5 and ERA5-Land, not measured on the slopes. Snow depth is the average over a grid cell about 9 km wide, so it can differ a lot from what the piste report says. How SnowOdds works