76 winters, day by day
L'Alpe du Grand Serre, France. Every ski winter from 1950/51 to 2025/26.
L'Alpe du Grand Serre, France. 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 58% of 736 resorts
+2.2°C+4.0°F
The trend: from -7°C19°F to -5°C23°F. Point at a winter to read it.
Snowfall at the summit
−17%
The trend: from 3.1 m124 in to 2.6 m103 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 7 to 7. Point at a winter to read it.
Days with a base at the summit
−13 days
The trend: from 137 to 123. Point at a winter to read it.
Days with fresh snow at the summit
−11 days
The trend: from 59 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−12%
Then
3.0 m120 in
Now
2.7 m105 in
- Snowfall in the village−12%
Then
3.0 m120 in
Now
2.7 m105 in
- Powder days at the summit−1 day
Then
7
Now
6
- Days with a base at the summit−9 days
Then
137
Now
128
- Average temperature at the summit+1.3°C+2.3°F
Then
-7°C20°F
Now
-6°C22°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
- 1950s1950/514.0 m157 in1951/522.7 m106 in1952/533.2 m126 in1953/541.9 m75 in1954/553.4 m135 in1955/561.8 m70 in1956/571.8 m70 in1957/583.0 m116 in1958/592.3 m91 in1959/603.1 m124 in
- 1960s1960/612.7 m106 in1961/622.8 m110 in1962/633.8 m150 in1963/641.6 m62 in1964/652.6 m102 in1965/664.5 m178 in1966/673.3 m130 in1967/683.1 m124 in1968/692.8 m109 in1969/704.7 m183 in
- 1970s1970/713.2 m128 in1971/723.6 m142 in1972/732.6 m100 in1973/742.6 m102 in1974/753.0 m119 in1975/762.6 m100 in1976/773.4 m132 in1977/784.9 m191 in1978/792.8 m111 in1979/803.6 m143 in
- 1980s1980/813.7 m146 in1981/823.6 m141 in1982/833.5 m139 in1983/843.7 m145 in1984/853.1 m120 in1985/863.6 m143 in1986/872.8 m111 in1987/883.2 m126 in1988/892.5 m98 in1989/902.0 m78 in
- 1990s1990/912.6 m104 in1991/922.1 m83 in1992/931.6 m61 in1993/943.8 m149 in1994/953.3 m131 in1995/962.3 m89 in1996/972.8 m109 in1997/983.0 m118 in1998/993.9 m154 in1999/003.1 m124 in
- 2000s2000/012.8 m112 in2001/021.7 m67 in2002/032.3 m91 in2003/042.6 m104 in2004/052.8 m110 in2005/062.6 m101 in2006/071.9 m75 in2007/083.1 m121 in2008/093.1 m122 in2009/102.9 m116 in
- 2010s2010/111.9 m76 in2011/122.7 m107 in2012/133.8 m148 in2013/143.1 m121 in2014/152.5 m98 in2015/162.7 m105 in2016/172.0 m77 in2017/183.5 m139 in2018/192.7 m106 in2019/202.7 m105 in
- 2020s2020/212.7 m107 in2021/222.4 m94 in2022/231.5 m60 in2023/242.5 m99 in2024/252.2 m87 in2025/262.8 m110 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