76 winters, day by day
Schweitzer Mountain Resort, United States. Every ski winter from 1950/51 to 2025/26.
Schweitzer Mountain Resort, United States. 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 31% of 736 resorts
+1.9°C+3.3°F
The trend: from -8°C17°F to -7°C20°F. Point at a winter to read it.
Snowfall at the summit
−35%
The trend: from 3.0 m117 in to 1.9 m76 in. Point at a winter to read it.
Powder days at the summit
−2 days
The trend: from 4 to 2. Point at a winter to read it.
Days with a base at the summit
−38 days
The trend: from 148 to 109. Point at a winter to read it.
Days with fresh snow at the summit
−18 days
The trend: from 65 to 47. 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−19%
Then
2.8 m112 in
Now
2.3 m91 in
- Snowfall in the village−19%
Then
2.8 m110 in
Now
2.3 m90 in
- Powder days at the summit−1 day
Then
4
Now
3
- Days with a base at the summit−21 days
Then
140
Now
120
- Average temperature at the summit+1.2°C+2.1°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
- 1950s1950/513.3 m130 in1951/523.3 m130 in1952/533.2 m128 in1953/543.3 m131 in1954/553.1 m120 in1955/564.0 m159 in1956/572.5 m98 in1957/582.7 m107 in1958/593.0 m119 in1959/602.8 m109 in
- 1960s1960/612.7 m106 in1961/622.8 m109 in1962/631.5 m59 in1963/644.1 m163 in1964/653.3 m131 in1965/663.0 m120 in1966/673.0 m117 in1967/682.0 m78 in1968/693.3 m131 in1969/702.2 m88 in
- 1970s1970/713.8 m149 in1971/723.3 m129 in1972/731.5 m59 in1973/743.6 m140 in1974/753.2 m126 in1975/763.0 m117 in1976/771.1 m43 in1977/782.4 m93 in1978/792.3 m92 in1979/801.9 m74 in
- 1980s1980/811.3 m52 in1981/822.6 m102 in1982/831.8 m72 in1983/842.0 m80 in1984/852.6 m102 in1985/861.7 m68 in1986/871.6 m63 in1987/881.4 m57 in1988/892.5 m100 in1989/902.6 m102 in
- 1990s1990/912.1 m84 in1991/921.2 m48 in1992/932.2 m85 in1993/941.7 m69 in1994/952.2 m85 in1995/962.1 m82 in1996/974.4 m174 in1997/981.9 m75 in1998/993.5 m138 in1999/002.9 m112 in
- 2000s2000/011.8 m71 in2001/023.1 m121 in2002/031.5 m61 in2003/042.2 m88 in2004/051.2 m47 in2005/062.4 m93 in2006/072.1 m81 in2007/083.5 m137 in2008/092.6 m104 in2009/101.2 m48 in
- 2010s2010/113.2 m125 in2011/122.6 m100 in2012/132.2 m87 in2013/142.2 m88 in2014/151.2 m46 in2015/161.9 m76 in2016/172.6 m101 in2017/183.1 m122 in2018/191.9 m74 in2019/201.9 m75 in
- 2020s2020/212.1 m81 in2021/222.5 m96 in2022/232.7 m105 in2023/241.7 m68 in2024/252.1 m81 in2025/261.2 m47 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