Tänndalen, Sweden. 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 80% of 736 resorts
+2.7°C+4.8°F
The trend: from -9°C15°F to -7°C20°F. Point at a winter to read it.
Snowfall at the summit
+11%
The trend: from 1.7 m65 in to 1.8 m72 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
−12 days
The trend: from 167 to 156. Point at a winter to read it.
Days with fresh snow at the summit
+5 days
The trend: from 55 to 60. 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+8%
Then
1.7 m65 in
Now
1.8 m70 in
- Snowfall in the village+3%
Then
1.5 m57 in
Now
1.5 m59 in
- Powder days at the summit±0 days
Then
0
Now
0
- Days with a base at the summit−6 days
Then
164
Now
158
- Average temperature at the summit+1.7°C+3.1°F
Then
-9°C16°F
Now
-7°C19°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 m66 in1951/521.6 m65 in1952/531.7 m65 in1953/541.2 m46 in1954/551.6 m63 in1955/561.4 m56 in1956/571.4 m55 in1957/581.4 m53 in1958/591.7 m68 in1959/601.7 m67 in
- 1960s1960/611.6 m63 in1961/621.9 m73 in1962/631.2 m46 in1963/641.3 m52 in1964/652.1 m83 in1965/661.8 m71 in1966/672.3 m89 in1967/682.0 m80 in1968/691.5 m58 in1969/701.5 m60 in
- 1970s1970/711.7 m66 in1971/721.6 m63 in1972/731.9 m76 in1973/741.6 m64 in1974/751.9 m76 in1975/762.2 m86 in1976/771.9 m76 in1977/781.6 m62 in1978/791.4 m56 in1979/801.1 m45 in
- 1980s1980/811.8 m69 in1981/821.8 m72 in1982/831.9 m74 in1983/841.6 m62 in1984/852.0 m80 in1985/861.5 m58 in1986/872.0 m80 in1987/882.5 m100 in1988/892.2 m85 in1989/902.3 m89 in
- 1990s1990/911.5 m60 in1991/922.3 m92 in1992/931.9 m73 in1993/941.5 m59 in1994/952.2 m87 in1995/9693 cm37 in1996/972.0 m79 in1997/981.8 m70 in1998/991.8 m69 in1999/002.2 m88 in
- 2000s2000/011.9 m76 in2001/022.0 m78 in2002/031.3 m49 in2003/041.4 m54 in2004/052.1 m83 in2005/061.9 m74 in2006/071.9 m74 in2007/082.2 m88 in2008/091.8 m72 in2009/101.5 m58 in
- 2010s2010/111.5 m59 in2011/122.0 m80 in2012/131.2 m47 in2013/141.9 m76 in2014/151.8 m70 in2015/161.9 m73 in2016/171.9 m75 in2017/181.8 m70 in2018/191.7 m69 in2019/202.2 m87 in
- 2020s2020/211.6 m63 in2021/221.8 m69 in2022/231.8 m70 in2023/241.7 m68 in2024/251.6 m61 in2025/261.4 m54 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