76 winters, day by day
Cauterets Cirque du Lys, France. Every ski winter from 1950/51 to 2025/26.
Cauterets Cirque du Lys, 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 53% of 736 resorts
+2.2°C+3.9°F
The trend: from -5°C24°F to -2°C28°F. Point at a winter to read it.
Snowfall at the summit
−16%
The trend: from 2.7 m104 in to 2.2 m88 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 4 to 3. Point at a winter to read it.
Days with a base at the summit
−41 days
The trend: from 153 to 112. Point at a winter to read it.
Days with a base in the village
−64 days
The trend: from 143 to 80. 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−12%
Then
2.6 m103 in
Now
2.3 m91 in
- Snowfall in the village−12%
Then
2.6 m103 in
Now
2.3 m91 in
- Powder days at the summit−1 day
Then
3
Now
3
- Days with a base at the summit−25 days
Then
148
Now
123
- Days with a base in the village−41 days
Then
136
Now
95
- Average temperature at the summit+1.3°C+2.4°F
Then
-4°C24°F
Now
-3°C27°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
- 1950s1950/513.6 m140 in1951/522.8 m112 in1952/532.2 m88 in1953/542.2 m88 in1954/551.8 m72 in1955/562.2 m85 in1956/571.7 m67 in1957/582.7 m108 in1958/592.5 m98 in1959/602.5 m99 in
- 1960s1960/612.4 m93 in1961/622.5 m98 in1962/632.7 m107 in1963/641.9 m73 in1964/652.8 m109 in1965/663.0 m118 in1966/672.8 m110 in1967/683.1 m120 in1968/692.4 m93 in1969/703.3 m130 in
- 1970s1970/712.7 m104 in1971/723.8 m150 in1972/732.5 m98 in1973/742.9 m114 in1974/752.0 m80 in1975/762.2 m88 in1976/772.4 m93 in1977/783.6 m141 in1978/793.1 m120 in1979/802.2 m85 in
- 1980s1980/813.1 m121 in1981/822.6 m104 in1982/832.6 m102 in1983/842.6 m101 in1984/852.2 m88 in1985/863.7 m144 in1986/872.4 m93 in1987/882.5 m97 in1988/891.9 m74 in1989/901.5 m61 in
- 1990s1990/912.4 m96 in1991/921.9 m74 in1992/931.5 m59 in1993/942.9 m113 in1994/952.1 m83 in1995/962.2 m88 in1996/972.1 m83 in1997/982.1 m81 in1998/992.4 m94 in1999/002.1 m83 in
- 2000s2000/012.6 m104 in2001/022.0 m77 in2002/032.7 m107 in2003/042.5 m97 in2004/052.4 m94 in2005/061.9 m76 in2006/071.9 m76 in2007/081.9 m75 in2008/093.0 m119 in2009/102.4 m95 in
- 2010s2010/111.9 m75 in2011/121.8 m72 in2012/133.5 m139 in2013/142.9 m116 in2014/152.7 m106 in2015/162.5 m97 in2016/172.1 m81 in2017/183.2 m126 in2018/192.0 m80 in2019/202.2 m85 in
- 2020s2020/212.0 m79 in2021/222.5 m98 in2022/231.6 m64 in2023/242.0 m80 in2024/251.6 m62 in2025/262.5 m98 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