Wildhaus, Switzerland. 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 84% of 736 resorts
+2.8°C+5.1°F
The trend: from -9°C16°F to -6°C21°F. Point at a winter to read it.
Snowfall at the summit
−24%
The trend: from 3.5 m136 in to 2.6 m104 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 7 to 6. Point at a winter to read it.
Days with a base at the summit
−27 days
The trend: from 148 to 122. Point at a winter to read it.
Days with fresh snow at the summit
−13 days
The trend: from 65 to 52. 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−15%
Then
3.3 m129 in
Now
2.8 m109 in
- Powder days at the summit−1 day
Then
7
Now
6
- Days with a base at the summit−15 days
Then
144
Now
129
- Average temperature at the summit+1.6°C+2.9°F
Then
-8°C17°F
Now
-7°C20°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
- 1950s1950/513.8 m151 in1951/523.1 m124 in1952/533.7 m144 in1953/542.5 m98 in1954/553.4 m133 in1955/562.3 m92 in1956/571.8 m69 in1957/583.6 m141 in1958/592.2 m87 in1959/602.7 m107 in
- 1960s1960/612.4 m94 in1961/623.3 m130 in1962/633.8 m149 in1963/641.7 m67 in1964/653.4 m135 in1965/663.8 m150 in1966/674.8 m190 in1967/684.3 m168 in1968/692.9 m115 in1969/705.5 m217 in
- 1970s1970/712.4 m96 in1971/722.3 m91 in1972/733.8 m151 in1973/743.5 m136 in1974/754.3 m169 in1975/762.4 m93 in1976/773.8 m151 in1977/784.0 m156 in1978/792.6 m104 in1979/804.0 m159 in
- 1980s1980/814.0 m156 in1981/824.7 m186 in1982/833.5 m137 in1983/843.4 m133 in1984/852.6 m104 in1985/863.6 m141 in1986/873.4 m133 in1987/883.9 m152 in1988/892.5 m100 in1989/902.0 m80 in
- 1990s1990/912.2 m87 in1991/923.3 m130 in1992/932.3 m92 in1993/942.9 m115 in1994/953.6 m143 in1995/962.2 m85 in1996/972.6 m102 in1997/982.6 m103 in1998/994.8 m188 in1999/004.2 m167 in
- 2000s2000/013.3 m131 in2001/022.2 m87 in2002/032.3 m92 in2003/043.2 m128 in2004/052.8 m109 in2005/063.2 m126 in2006/072.0 m78 in2007/083.3 m131 in2008/093.6 m140 in2009/102.3 m91 in
- 2010s2010/111.9 m73 in2011/123.6 m143 in2012/133.2 m127 in2013/142.1 m83 in2014/152.7 m107 in2015/162.6 m103 in2016/172.2 m85 in2017/183.2 m125 in2018/193.2 m125 in2019/202.1 m82 in
- 2020s2020/213.1 m120 in2021/222.5 m99 in2022/231.6 m65 in2023/243.0 m119 in2024/251.7 m67 in2025/262.1 m81 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