76 winters, day by day
Pralognan-la-Vanoise, France. Every ski winter from 1950/51 to 2025/26.
Pralognan-la-Vanoise, 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 44% of 736 resorts
+2.0°C+3.7°F
The trend: from -9°C17°F to -7°C20°F. Point at a winter to read it.
Snowfall at the summit
−3%
The trend: from 5.0 m198 in to 4.9 m193 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 15 to 15. Point at a winter to read it.
Days with a base at the summit
−4 days
The trend: from 172 to 168. Point at a winter to read it.
Days with fresh snow at the summit
−7 days
The trend: from 78 to 72. 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−5%
Then
5.0 m199 in
Now
4.8 m189 in
- Snowfall in the village−13%
Then
3.1 m121 in
Now
2.7 m105 in
- Powder days at the summit±0 days
Then
15
Now
15
- Days with a base at the summit−2 days
Then
172
Now
170
- Average temperature at the summit+1.1°C+2.1°F
Then
-8°C17°F
Now
-7°C19°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
- 1950s1950/516.0 m237 in1951/524.6 m182 in1952/534.0 m158 in1953/543.2 m127 in1954/556.4 m252 in1955/563.8 m150 in1956/573.1 m123 in1957/585.4 m211 in1958/594.7 m183 in1959/605.3 m207 in
- 1960s1960/614.5 m178 in1961/626.0 m237 in1962/635.8 m230 in1963/643.2 m124 in1964/653.6 m141 in1965/667.5 m295 in1966/675.4 m211 in1967/684.3 m169 in1968/695.2 m204 in1969/707.6 m299 in
- 1970s1970/714.0 m159 in1971/724.5 m178 in1972/734.0 m157 in1973/744.6 m181 in1974/755.1 m201 in1975/763.3 m128 in1976/776.6 m258 in1977/787.2 m284 in1978/795.7 m222 in1979/806.9 m272 in
- 1980s1980/815.3 m208 in1981/826.1 m240 in1982/836.3 m249 in1983/845.5 m218 in1984/854.1 m161 in1985/866.1 m239 in1986/875.0 m198 in1987/886.1 m241 in1988/894.2 m167 in1989/905.2 m204 in
- 1990s1990/914.0 m159 in1991/923.9 m153 in1992/934.3 m170 in1993/945.6 m220 in1994/957.2 m283 in1995/963.5 m139 in1996/975.2 m206 in1997/984.5 m176 in1998/995.6 m219 in1999/005.0 m196 in
- 2000s2000/016.0 m236 in2001/023.6 m142 in2002/034.2 m164 in2003/044.9 m191 in2004/053.5 m138 in2005/064.3 m167 in2006/074.0 m157 in2007/085.0 m198 in2008/095.1 m199 in2009/104.5 m178 in
- 2010s2010/113.1 m124 in2011/125.3 m207 in2012/135.6 m222 in2013/144.6 m181 in2014/154.4 m172 in2015/164.8 m191 in2016/174.1 m161 in2017/187.4 m290 in2018/194.9 m193 in2019/206.4 m251 in
- 2020s2020/214.2 m163 in2021/224.2 m164 in2022/234.4 m174 in2023/246.7 m262 in2024/254.9 m193 in2025/264.1 m161 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