76 winters, day by day
Le Collet d'Allevard, France. Every ski winter from 1950/51 to 2025/26.
Le Collet d'Allevard, 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 63% of 736 resorts
+2.3°C+4.1°F
The trend: from -7°C19°F to -5°C23°F. Point at a winter to read it.
Snowfall at the summit
−11%
The trend: from 3.6 m141 in to 3.2 m125 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 9 to 8. Point at a winter to read it.
Days with a base at the summit
−5 days
The trend: from 158 to 153. Point at a winter to read it.
Days with a base in the village
−23 days
The trend: from 132 to 109. 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−9%
Then
3.5 m138 in
Now
3.2 m126 in
- Snowfall in the village−13%
Then
3.1 m123 in
Now
2.7 m107 in
- Powder days at the summit−1 day
Then
9
Now
8
- Days with a base at the summit−3 days
Then
159
Now
156
- Days with a base in the village−13 days
Then
130
Now
117
- Average temperature at the summit+1.3°C+2.4°F
Then
-6°C20°F
Now
-5°C23°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
- 1950s1950/514.2 m166 in1951/523.4 m135 in1952/533.5 m136 in1953/542.1 m84 in1954/554.0 m159 in1955/562.3 m91 in1956/572.0 m78 in1957/583.6 m143 in1958/592.9 m113 in1959/603.1 m122 in
- 1960s1960/613.2 m126 in1961/623.4 m135 in1962/634.0 m158 in1963/641.6 m62 in1964/653.2 m124 in1965/665.4 m213 in1966/673.7 m146 in1967/683.5 m136 in1968/693.4 m134 in1969/706.0 m236 in
- 1970s1970/713.0 m119 in1971/723.3 m128 in1972/732.9 m116 in1973/742.8 m112 in1974/753.8 m151 in1975/762.5 m98 in1976/774.2 m163 in1977/785.6 m219 in1978/793.7 m147 in1979/804.6 m181 in
- 1980s1980/814.2 m167 in1981/824.5 m178 in1982/834.2 m167 in1983/844.3 m168 in1984/853.0 m120 in1985/864.1 m160 in1986/873.9 m152 in1987/884.0 m156 in1988/892.9 m114 in1989/902.8 m109 in
- 1990s1990/912.8 m110 in1991/922.7 m108 in1992/932.0 m78 in1993/944.3 m168 in1994/954.5 m177 in1995/962.0 m80 in1996/973.4 m132 in1997/983.1 m122 in1998/994.4 m174 in1999/003.8 m148 in
- 2000s2000/013.7 m145 in2001/022.1 m81 in2002/032.8 m109 in2003/043.2 m127 in2004/053.0 m117 in2005/063.1 m122 in2006/072.4 m94 in2007/083.5 m139 in2008/093.3 m131 in2009/103.2 m124 in
- 2010s2010/112.1 m81 in2011/123.7 m144 in2012/134.3 m170 in2013/143.2 m126 in2014/152.8 m112 in2015/163.5 m139 in2016/172.4 m96 in2017/184.6 m181 in2018/193.2 m127 in2019/203.7 m147 in
- 2020s2020/213.0 m118 in2021/222.9 m116 in2022/232.3 m90 in2023/243.3 m130 in2024/252.6 m103 in2025/263.1 m122 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