76 winters, day by day
Mount Snow, United States. Every ski winter from 1950/51 to 2025/26.
Mount Snow, 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.
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Climate change
Average winter temperature at the summit
Faster warming than 39% of 736 resorts
+2.0°C+3.6°F
The trend: from -6°C20°F to -5°C24°F. Point at a winter to read it.
Snowfall at the summit
−19%
The trend: from 2.0 m78 in to 1.6 m63 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 4 to 4. Point at a winter to read it.
Days with a base at the summit
−54 days
The trend: from 95 to 40. Point at a winter to read it.
Days with fresh snow at the summit
−8 days
The trend: from 40 to 33. 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−12%
Then
2.0 m77 in
Now
1.7 m68 in
- Snowfall in the village−12%
Then
2.0 m77 in
Now
1.7 m68 in
- Powder days at the summit±0 days
Then
4
Now
4
- Days with a base at the summit−35 days
Then
90
Now
55
- Average temperature at the summit+1.3°C+2.4°F
Then
-6°C21°F
Now
-5°C23°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
- 1950s1950/512.0 m79 in1951/522.3 m90 in1952/531.8 m72 in1953/541.4 m55 in1954/551.7 m65 in1955/562.7 m105 in1956/571.8 m72 in1957/582.7 m107 in1958/591.7 m67 in1959/602.1 m83 in
- 1960s1960/611.9 m74 in1961/621.9 m76 in1962/632.1 m84 in1963/641.7 m66 in1964/651.5 m59 in1965/661.7 m67 in1966/672.1 m81 in1967/681.6 m64 in1968/692.6 m101 in1969/702.1 m83 in
- 1970s1970/712.4 m95 in1971/722.5 m99 in1972/732.0 m78 in1973/741.5 m60 in1974/752.2 m85 in1975/761.9 m76 in1976/771.9 m76 in1977/782.1 m82 in1978/792.1 m81 in1979/8081 cm32 in
- 1980s1980/811.4 m56 in1981/822.0 m78 in1982/831.5 m58 in1983/842.0 m80 in1984/851.5 m59 in1985/861.6 m62 in1986/872.1 m84 in1987/881.5 m60 in1988/891.1 m44 in1989/901.3 m53 in
- 1990s1990/911.1 m43 in1991/921.1 m43 in1992/932.5 m100 in1993/942.1 m81 in1994/951.1 m45 in1995/962.1 m83 in1996/972.4 m96 in1997/981.8 m72 in1998/991.4 m55 in1999/001.3 m52 in
- 2000s2000/012.2 m88 in2001/021.3 m52 in2002/032.4 m94 in2003/041.7 m67 in2004/051.6 m63 in2005/061.2 m47 in2006/071.9 m74 in2007/082.1 m83 in2008/091.7 m67 in2009/101.8 m72 in
- 2010s2010/112.0 m79 in2011/121.1 m41 in2012/131.6 m62 in2013/141.7 m69 in2014/152.1 m81 in2015/1655 cm22 in2016/172.0 m79 in2017/181.9 m73 in2018/192.0 m78 in2019/201.9 m76 in
- 2020s2020/211.5 m59 in2021/221.4 m56 in2022/232.0 m80 in2023/241.9 m74 in2024/251.6 m65 in2025/261.5 m59 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