Mont Sutton, Canada. 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 24% of 736 resorts
+1.7°C+3.1°F
The trend: from -8°C17°F to -6°C21°F. Point at a winter to read it.
Snowfall at the summit
−10%
The trend: from 2.1 m83 in to 1.9 m74 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 3 to 2. Point at a winter to read it.
Days with a base at the summit
−43 days
The trend: from 99 to 56. Point at a winter to read it.
Days with fresh snow at the summit
−3 days
The trend: from 52 to 49. 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−7%
Then
2.1 m83 in
Now
2.0 m77 in
- Snowfall in the village−7%
Then
2.1 m83 in
Now
2.0 m77 in
- Powder days at the summit±0 days
Then
3
Now
3
- Days with a base at the summit−26 days
Then
94
Now
68
- Average temperature at the summit+1.2°C+2.2°F
Then
-8°C18°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
- 1950s1950/512.1 m81 in1951/522.3 m89 in1952/532.1 m82 in1953/542.2 m87 in1954/552.3 m89 in1955/562.2 m87 in1956/571.5 m59 in1957/582.7 m104 in1958/592.3 m91 in1959/602.1 m83 in
- 1960s1960/611.8 m70 in1961/622.2 m86 in1962/632.3 m92 in1963/641.3 m52 in1964/651.4 m56 in1965/661.9 m74 in1966/671.5 m61 in1967/681.6 m65 in1968/692.6 m100 in1969/702.2 m86 in
- 1970s1970/712.7 m107 in1971/722.6 m101 in1972/732.3 m91 in1973/742.4 m93 in1974/752.3 m89 in1975/762.6 m103 in1976/772.2 m86 in1977/782.3 m89 in1978/792.1 m82 in1979/801.1 m44 in
- 1980s1980/811.5 m59 in1981/822.3 m92 in1982/831.5 m59 in1983/842.0 m80 in1984/852.0 m79 in1985/861.8 m72 in1986/871.8 m69 in1987/881.7 m65 in1988/891.9 m76 in1989/901.8 m72 in
- 1990s1990/911.6 m63 in1991/921.7 m68 in1992/932.0 m78 in1993/942.3 m90 in1994/951.4 m56 in1995/962.2 m87 in1996/972.4 m95 in1997/982.0 m79 in1998/991.8 m71 in1999/002.1 m84 in
- 2000s2000/012.3 m89 in2001/022.0 m77 in2002/031.9 m76 in2003/042.1 m83 in2004/051.6 m63 in2005/061.5 m59 in2006/072.3 m89 in2007/082.7 m106 in2008/091.8 m70 in2009/101.8 m70 in
- 2010s2010/112.3 m90 in2011/121.4 m54 in2012/131.6 m65 in2013/141.9 m74 in2014/152.1 m83 in2015/161.4 m54 in2016/172.2 m87 in2017/182.1 m81 in2018/192.5 m98 in2019/202.0 m78 in
- 2020s2020/211.6 m63 in2021/221.8 m71 in2022/231.9 m74 in2023/241.9 m74 in2024/252.1 m81 in2025/261.9 m76 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