76 winters, day by day
Les Houches - Saint-Gervais, France. Every ski winter from 1950/51 to 2025/26.
Les Houches - Saint-Gervais, 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 60% of 736 resorts
+2.2°C+4.0°F
The trend: from -7°C20°F to -5°C24°F. Point at a winter to read it.
Snowfall at the summit
−7%
The trend: from 5.7 m223 in to 5.3 m207 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 18 to 18. Point at a winter to read it.
Days with a base at the summit
−7 days
The trend: from 167 to 161. Point at a winter to read it.
Days with fresh snow at the summit
−9 days
The trend: from 75 to 66. 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
5.6 m220 in
Now
5.2 m205 in
- Snowfall in the village−17%
Then
2.4 m96 in
Now
2.0 m80 in
- Powder days at the summit±0 days
Then
18
Now
17
- Days with a base at the summit−5 days
Then
167
Now
162
- Average temperature at the summit+1.2°C+2.2°F
Then
-6°C21°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
- 1950s1950/516.5 m257 in1951/525.5 m216 in1952/535.1 m200 in1953/543.4 m135 in1954/556.5 m254 in1955/564.0 m157 in1956/573.4 m135 in1957/586.2 m242 in1958/594.6 m182 in1959/605.8 m230 in
- 1960s1960/614.9 m193 in1961/625.9 m233 in1962/635.9 m231 in1963/642.8 m110 in1964/655.1 m201 in1965/668.7 m343 in1966/676.6 m261 in1967/685.4 m211 in1968/695.5 m218 in1969/709.5 m372 in
- 1970s1970/714.1 m159 in1971/724.1 m163 in1972/734.6 m179 in1973/744.9 m192 in1974/756.1 m242 in1975/763.3 m131 in1976/777.1 m281 in1977/787.8 m306 in1978/796.4 m252 in1979/807.8 m308 in
- 1980s1980/815.9 m230 in1981/827.6 m299 in1982/836.9 m271 in1983/846.2 m245 in1984/855.0 m195 in1985/866.2 m246 in1986/876.1 m238 in1987/887.0 m276 in1988/894.6 m180 in1989/904.8 m190 in
- 1990s1990/914.3 m167 in1991/924.8 m190 in1992/933.9 m155 in1993/946.6 m261 in1994/957.9 m311 in1995/963.7 m145 in1996/975.5 m217 in1997/984.8 m191 in1998/996.9 m273 in1999/006.0 m237 in
- 2000s2000/016.8 m266 in2001/024.1 m161 in2002/034.9 m193 in2003/045.2 m206 in2004/054.1 m160 in2005/064.9 m191 in2006/074.6 m180 in2007/086.0 m236 in2008/094.6 m180 in2009/104.7 m183 in
- 2010s2010/113.0 m119 in2011/125.7 m226 in2012/136.8 m269 in2013/144.8 m187 in2014/154.6 m182 in2015/165.6 m222 in2016/173.6 m143 in2017/187.5 m297 in2018/195.7 m224 in2019/206.3 m248 in
- 2020s2020/214.7 m186 in2021/224.7 m184 in2022/234.8 m188 in2023/246.5 m256 in2024/254.5 m175 in2025/264.7 m184 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