76 winters, day by day
Splügen-Tambo, Switzerland. Every ski winter from 1950/51 to 2025/26.
Splügen-Tambo, Switzerland. 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 67% of 736 resorts
+2.4°C+4.3°F
The trend: from -8°C17°F to -6°C22°F. Point at a winter to read it.
Snowfall at the summit
−13%
The trend: from 4.1 m161 in to 3.6 m140 in. Point at a winter to read it.
Powder days at the summit
−2 days
The trend: from 10 to 9. Point at a winter to read it.
Days with a base at the summit
−14 days
The trend: from 176 to 162. Point at a winter to read it.
Days with a base in the village
−19 days
The trend: from 170 to 151. 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
4.0 m158 in
Now
3.7 m147 in
- Snowfall in the village−22%
Then
2.5 m98 in
Now
1.9 m76 in
- Powder days at the summit−1 day
Then
10
Now
9
- Days with a base at the summit−8 days
Then
174
Now
165
- Days with a base in the village−12 days
Then
167
Now
156
- Average temperature at the summit+1.4°C+2.5°F
Then
-8°C18°F
Now
-6°C21°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
- 1950s1950/517.0 m275 in1951/523.8 m148 in1952/532.8 m111 in1953/542.8 m109 in1954/554.1 m162 in1955/563.1 m120 in1956/572.2 m87 in1957/584.3 m169 in1958/593.6 m142 in1959/604.9 m193 in
- 1960s1960/614.0 m156 in1961/624.1 m160 in1962/633.9 m154 in1963/643.6 m142 in1964/653.0 m120 in1965/663.9 m155 in1966/674.7 m185 in1967/684.5 m178 in1968/693.0 m116 in1969/705.4 m212 in
- 1970s1970/713.9 m155 in1971/724.4 m174 in1972/732.9 m114 in1973/744.2 m165 in1974/755.5 m216 in1975/762.5 m100 in1976/775.6 m220 in1977/784.8 m190 in1978/794.2 m166 in1979/803.6 m141 in
- 1980s1980/812.7 m105 in1981/823.3 m131 in1982/834.5 m178 in1983/843.8 m149 in1984/853.9 m155 in1985/865.7 m224 in1986/873.2 m125 in1987/883.8 m150 in1988/894.4 m173 in1989/903.6 m140 in
- 1990s1990/913.9 m153 in1991/924.1 m163 in1992/932.4 m96 in1993/943.5 m137 in1994/953.5 m139 in1995/962.2 m85 in1996/973.8 m151 in1997/984.6 m179 in1998/994.1 m161 in1999/003.8 m148 in
- 2000s2000/017.5 m295 in2001/022.2 m86 in2002/034.1 m161 in2003/044.1 m162 in2004/052.1 m84 in2005/062.7 m105 in2006/072.8 m109 in2007/084.2 m163 in2008/095.1 m202 in2009/103.8 m150 in
- 2010s2010/112.9 m114 in2011/123.4 m135 in2012/134.2 m164 in2013/145.3 m209 in2014/154.0 m157 in2015/162.9 m113 in2016/173.2 m124 in2017/184.7 m184 in2018/193.6 m143 in2019/204.2 m166 in
- 2020s2020/213.7 m144 in2021/222.2 m87 in2022/232.3 m91 in2023/245.3 m210 in2024/252.7 m106 in2025/262.3 m92 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