76 winters, day by day
La Pierre Saint-Martin, France. Every ski winter from 1950/51 to 2025/26.
La Pierre Saint-Martin, 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 62% of 736 resorts
+2.3°C+4.1°F
The trend: from -4°C25°F to -2°C29°F. Point at a winter to read it.
Snowfall at the summit
−24%
The trend: from 2.0 m80 in to 1.5 m61 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 3 to 2. Point at a winter to read it.
Days with a base at the summit
−49 days
The trend: from 85 to 36. Point at a winter to read it.
Days with fresh snow at the summit
−12 days
The trend: from 48 to 37. 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−17%
Then
2.0 m78 in
Now
1.6 m64 in
- Snowfall in the village−17%
Then
2.0 m78 in
Now
1.6 m64 in
- Powder days at the summit−1 day
Then
3
Now
2
- Days with a base at the summit−34 days
Then
78
Now
44
- Average temperature at the summit+1.4°C+2.5°F
Then
-3°C26°F
Now
-2°C28°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
- 1950s1950/513.2 m127 in1951/521.8 m72 in1952/532.0 m77 in1953/541.7 m65 in1954/551.2 m46 in1955/561.4 m55 in1956/571.3 m49 in1957/582.4 m95 in1958/591.8 m69 in1959/602.0 m78 in
- 1960s1960/611.9 m75 in1961/621.9 m74 in1962/632.2 m88 in1963/641.2 m46 in1964/652.3 m92 in1965/661.8 m71 in1966/672.0 m80 in1967/682.2 m85 in1968/691.6 m63 in1969/702.5 m98 in
- 1970s1970/712.0 m80 in1971/723.1 m121 in1972/732.0 m80 in1973/741.9 m75 in1974/751.6 m62 in1975/761.9 m74 in1976/771.6 m63 in1977/782.9 m113 in1978/792.3 m89 in1979/801.7 m68 in
- 1980s1980/812.1 m84 in1981/821.6 m65 in1982/832.1 m83 in1983/841.8 m70 in1984/851.6 m62 in1985/863.1 m123 in1986/871.8 m71 in1987/881.7 m67 in1988/891.4 m56 in1989/9093 cm37 in
- 1990s1990/912.0 m77 in1991/921.4 m56 in1992/9398 cm39 in1993/942.3 m91 in1994/951.5 m57 in1995/961.3 m52 in1996/971.5 m60 in1997/981.3 m52 in1998/991.6 m63 in1999/001.3 m53 in
- 2000s2000/011.9 m76 in2001/021.2 m49 in2002/031.8 m72 in2003/041.7 m68 in2004/051.7 m65 in2005/061.7 m65 in2006/071.4 m55 in2007/081.4 m56 in2008/092.5 m98 in2009/101.8 m71 in
- 2010s2010/111.2 m48 in2011/121.2 m48 in2012/132.8 m111 in2013/142.2 m85 in2014/152.0 m78 in2015/161.6 m63 in2016/171.5 m59 in2017/182.3 m90 in2018/191.4 m54 in2019/201.4 m56 in
- 2020s2020/211.6 m62 in2021/221.8 m70 in2022/231.1 m43 in2023/241.4 m55 in2024/2586 cm34 in2025/261.7 m68 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