76 winters, day by day
Porté-Puymorens, France. Every ski winter from 1950/51 to 2025/26.
Porté-Puymorens, 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 43% of 736 resorts
+2.0°C+3.6°F
The trend: from -6°C22°F to -4°C25°F. Point at a winter to read it.
Snowfall at the summit
−7%
The trend: from 2.4 m94 in to 2.2 m87 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 4 to 3. Point at a winter to read it.
Days with a base at the summit
−45 days
The trend: from 147 to 102. Point at a winter to read it.
Days with fresh snow at the summit
−6 days
The trend: from 57 to 52. 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−6%
Then
2.4 m94 in
Now
2.3 m89 in
- Snowfall in the village−13%
Then
1.3 m51 in
Now
1.1 m45 in
- Powder days at the summit±0 days
Then
4
Now
4
- Days with a base at the summit−29 days
Then
142
Now
114
- Average temperature at the summit+1.2°C+2.1°F
Then
-5°C22°F
Now
-4°C24°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
- 1950s1950/513.0 m117 in1951/522.5 m98 in1952/531.6 m63 in1953/542.5 m98 in1954/551.6 m61 in1955/562.0 m80 in1956/571.7 m67 in1957/582.3 m89 in1958/593.1 m122 in1959/602.1 m83 in
- 1960s1960/612.5 m98 in1961/622.2 m86 in1962/632.5 m98 in1963/641.5 m60 in1964/652.5 m99 in1965/662.3 m91 in1966/672.4 m95 in1967/682.4 m96 in1968/693.2 m128 in1969/702.8 m109 in
- 1970s1970/712.6 m101 in1971/723.6 m142 in1972/732.0 m79 in1973/743.2 m126 in1974/751.7 m67 in1975/762.1 m81 in1976/772.2 m87 in1977/783.1 m123 in1978/792.9 m113 in1979/801.9 m75 in
- 1980s1980/813.4 m135 in1981/822.9 m115 in1982/831.9 m74 in1983/842.2 m88 in1984/851.6 m64 in1985/862.7 m104 in1986/872.2 m86 in1987/882.2 m87 in1988/891.7 m67 in1989/901.3 m50 in
- 1990s1990/912.3 m89 in1991/922.3 m90 in1992/931.9 m76 in1993/942.5 m98 in1994/951.8 m69 in1995/962.6 m102 in1996/972.5 m98 in1997/981.7 m65 in1998/992.6 m101 in1999/001.9 m76 in
- 2000s2000/012.1 m83 in2001/022.3 m90 in2002/032.7 m106 in2003/042.9 m113 in2004/052.6 m100 in2005/062.2 m86 in2006/071.7 m66 in2007/081.7 m66 in2008/093.2 m125 in2009/102.3 m89 in
- 2010s2010/111.4 m56 in2011/122.0 m77 in2012/133.1 m123 in2013/142.7 m108 in2014/152.4 m95 in2015/161.9 m76 in2016/172.3 m92 in2017/183.3 m128 in2018/191.7 m68 in2019/202.5 m98 in
- 2020s2020/211.9 m73 in2021/222.5 m100 in2022/231.2 m47 in2023/241.8 m70 in2024/251.7 m66 in2025/263.2 m127 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