Marmot Basin, 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 17% of 736 resorts
+1.5°C+2.8°F
The trend: from -16°C3°F to -14°C6°F. Point at a winter to read it.
Snowfall at the summit
−15%
The trend: from 2.9 m114 in to 2.5 m96 in. Point at a winter to read it.
Powder days at the summit
−2 days
The trend: from 3 to 1. Point at a winter to read it.
Days with a base at the summit
+4 days
The trend: from 175 to 179. Point at a winter to read it.
Days with fresh snow at the summit
−5 days
The trend: from 78 to 73. 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−13%
Then
2.9 m115 in
Now
2.5 m100 in
- Snowfall in the village−13%
Then
2.9 m115 in
Now
2.5 m100 in
- Powder days at the summit−1 day
Then
3
Now
2
- Days with a base at the summit+2 days
Then
176
Now
178
- Average temperature at the summit+1.0°C+1.7°F
Then
-16°C4°F
Now
-15°C6°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
- 1950s1950/512.7 m105 in1951/522.1 m83 in1952/533.0 m117 in1953/544.1 m159 in1954/553.0 m119 in1955/562.3 m91 in1956/572.6 m102 in1957/582.9 m115 in1958/593.0 m117 in1959/602.4 m95 in
- 1960s1960/612.5 m98 in1961/622.8 m110 in1962/633.1 m123 in1963/643.5 m137 in1964/653.2 m125 in1965/663.4 m134 in1966/673.5 m139 in1967/683.4 m133 in1968/692.6 m103 in1969/702.5 m97 in
- 1970s1970/713.3 m130 in1971/723.8 m148 in1972/733.4 m134 in1973/743.4 m132 in1974/752.4 m96 in1975/763.3 m130 in1976/772.3 m89 in1977/782.1 m84 in1978/792.5 m97 in1979/802.4 m93 in
- 1980s1980/812.8 m109 in1981/822.6 m102 in1982/831.9 m76 in1983/842.3 m89 in1984/852.2 m87 in1985/862.3 m90 in1986/872.2 m87 in1987/882.5 m99 in1988/892.6 m102 in1989/903.0 m118 in
- 1990s1990/913.2 m127 in1991/922.3 m90 in1992/931.7 m67 in1993/942.7 m105 in1994/952.2 m88 in1995/962.9 m113 in1996/972.8 m111 in1997/981.7 m66 in1998/993.0 m118 in1999/002.4 m96 in
- 2000s2000/011.8 m71 in2001/022.7 m106 in2002/032.2 m86 in2003/041.9 m73 in2004/052.4 m94 in2005/061.8 m69 in2006/073.0 m118 in2007/082.2 m88 in2008/092.2 m87 in2009/102.2 m87 in
- 2010s2010/112.5 m98 in2011/123.4 m133 in2012/132.7 m106 in2013/142.9 m114 in2014/152.9 m112 in2015/162.2 m88 in2016/172.9 m113 in2017/182.5 m98 in2018/192.5 m99 in2019/203.2 m125 in
- 2020s2020/212.8 m112 in2021/223.4 m132 in2022/232.0 m78 in2023/242.1 m83 in2024/252.4 m93 in2025/263.8 m148 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