76 winters, day by day
The Hermitage Club at Haystack Mountain, United States. Every ski winter from 1950/51 to 2025/26.
The Hermitage Club at Haystack Mountain, 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 34% of 736 resorts
+1.9°C+3.4°F
The trend: from -6°C22°F to -4°C25°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
−53 days
The trend: from 93 to 41. Point at a winter to read it.
Days with fresh snow at the summit
−8 days
The trend: from 40 to 32. 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
1.9 m77 in
Now
1.7 m67 in
- Snowfall in the village−17%
Then
1.5 m58 in
Now
1.2 m48 in
- Powder days at the summit±0 days
Then
4
Now
4
- Days with a base at the summit−34 days
Then
89
Now
55
- Average temperature at the summit+1.3°C+2.3°F
Then
-5°C23°F
Now
-4°C25°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 m78 in1951/522.3 m89 in1952/531.8 m71 in1953/541.4 m54 in1954/551.7 m65 in1955/562.6 m104 in1956/571.8 m71 in1957/582.7 m107 in1958/591.7 m67 in1959/602.1 m82 in
- 1960s1960/611.9 m74 in1961/621.9 m76 in1962/632.1 m84 in1963/641.7 m65 in1964/651.5 m59 in1965/661.7 m67 in1966/672.1 m81 in1967/681.6 m63 in1968/692.6 m100 in1969/702.1 m83 in
- 1970s1970/712.4 m94 in1971/722.5 m98 in1972/732.0 m77 in1973/741.5 m59 in1974/752.2 m85 in1975/761.9 m74 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 m79 in1984/851.5 m58 in1985/861.6 m62 in1986/872.1 m84 in1987/881.5 m59 in1988/891.1 m43 in1989/901.3 m52 in
- 1990s1990/911.1 m43 in1991/921.1 m43 in1992/932.5 m98 in1993/942.1 m81 in1994/951.1 m44 in1995/962.1 m82 in1996/972.4 m94 in1997/981.8 m71 in1998/991.4 m55 in1999/001.3 m52 in
- 2000s2000/012.2 m88 in2001/021.3 m51 in2002/032.4 m94 in2003/041.7 m66 in2004/051.6 m63 in2005/061.2 m47 in2006/071.9 m73 in2007/082.1 m82 in2008/091.7 m66 in2009/101.8 m72 in
- 2010s2010/112.0 m78 in2011/121.0 m41 in2012/131.6 m62 in2013/141.7 m68 in2014/152.0 m80 in2015/1655 cm22 in2016/172.0 m78 in2017/181.9 m73 in2018/192.0 m77 in2019/201.9 m76 in
- 2020s2020/211.5 m59 in2021/221.4 m54 in2022/232.0 m80 in2023/241.9 m73 in2024/251.6 m64 in2025/261.5 m57 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