76 winters, day by day
Ski Mont Blanc, Canada. Every ski winter from 1950/51 to 2025/26.
Ski Mont Blanc, 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 8% of 736 resorts
+1.2°C+2.2°F
The trend: from -7°C19°F to -6°C21°F. Point at a winter to read it.
Snowfall at the summit
±0%
The trend: from 1.9 m73 in to 1.9 m73 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 3 to 3. Point at a winter to read it.
Days with a base at the summit
−14 days
The trend: from 121 to 107. Point at a winter to read it.
Days with fresh snow at the summit
−1 day
The trend: from 45 to 44. 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−1%
Then
1.9 m75 in
Now
1.9 m74 in
- Snowfall in the village−1%
Then
1.9 m77 in
Now
1.9 m76 in
- Powder days at the summit±0 days
Then
3
Now
3
- Days with a base at the summit−11 days
Then
121
Now
110
- Average temperature at the summit+1.0°C+1.7°F
Then
-7°C19°F
Now
-6°C21°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
- 1950s1950/512.5 m98 in1951/522.4 m94 in1952/531.6 m62 in1953/541.7 m68 in1954/552.2 m87 in1955/561.6 m61 in1956/571.1 m42 in1957/581.9 m75 in1958/592.0 m78 in1959/602.2 m86 in
- 1960s1960/611.7 m65 in1961/621.9 m74 in1962/631.7 m69 in1963/641.0 m40 in1964/651.5 m58 in1965/661.8 m71 in1966/671.7 m69 in1967/681.5 m58 in1968/691.9 m74 in1969/701.9 m74 in
- 1970s1970/712.4 m95 in1971/722.4 m94 in1972/732.0 m79 in1973/742.3 m92 in1974/752.5 m96 in1975/762.4 m94 in1976/772.0 m78 in1977/782.1 m83 in1978/792.0 m79 in1979/801.2 m46 in
- 1980s1980/811.6 m64 in1981/822.1 m82 in1982/831.4 m57 in1983/842.2 m87 in1984/852.1 m82 in1985/861.5 m59 in1986/871.5 m57 in1987/881.6 m63 in1988/891.9 m73 in1989/901.9 m75 in
- 1990s1990/911.8 m70 in1991/921.6 m62 in1992/931.9 m73 in1993/941.9 m74 in1994/951.4 m55 in1995/962.1 m83 in1996/972.3 m90 in1997/981.7 m67 in1998/992.0 m79 in1999/001.7 m69 in
- 2000s2000/011.7 m67 in2001/021.8 m71 in2002/031.5 m60 in2003/041.5 m60 in2004/051.6 m62 in2005/061.9 m75 in2006/071.8 m70 in2007/082.9 m114 in2008/091.8 m72 in2009/101.3 m49 in
- 2010s2010/111.9 m75 in2011/121.6 m62 in2012/132.1 m81 in2013/141.9 m76 in2014/151.4 m56 in2015/162.0 m80 in2016/172.0 m78 in2017/181.9 m73 in2018/192.5 m96 in2019/202.0 m78 in
- 2020s2020/211.6 m61 in2021/222.0 m80 in2022/232.3 m89 in2023/241.8 m72 in2024/251.8 m70 in2025/261.9 m74 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