76 winters, day by day
Andermatt+Disentis+Sedrun, Switzerland. Every ski winter from 1950/51 to 2025/26.
Andermatt+Disentis+Sedrun, 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 26% of 736 resorts
+1.8°C+3.2°F
The trend: from -12°C10°F to -10°C13°F. Point at a winter to read it.
Snowfall at the summit
−9%
The trend: from 5.3 m210 in to 4.9 m191 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 15 to 13. Point at a winter to read it.
Days with a base at the summit
−8 days
The trend: from 175 to 167. Point at a winter to read it.
Days with fresh snow at the summit
−9 days
The trend: from 87 to 78. 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
5.2 m205 in
Now
4.9 m195 in
- Snowfall in the village−16%
Then
2.4 m96 in
Now
2.0 m80 in
- Powder days at the summit−1 day
Then
14
Now
13
- Days with a base at the summit−5 days
Then
174
Now
169
- Average temperature at the summit+1.0°C+1.8°F
Then
-12°C11°F
Now
-11°C13°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
- 1950s1950/517.4 m291 in1951/525.4 m213 in1952/534.9 m191 in1953/543.8 m148 in1954/556.0 m237 in1955/563.9 m152 in1956/573.1 m120 in1957/585.7 m225 in1958/594.4 m174 in1959/605.1 m202 in
- 1960s1960/614.6 m182 in1961/625.3 m208 in1962/635.3 m208 in1963/643.8 m149 in1964/654.6 m182 in1965/666.3 m247 in1966/676.7 m263 in1967/685.9 m233 in1968/694.2 m165 in1969/707.5 m295 in
- 1970s1970/713.9 m154 in1971/724.7 m187 in1972/734.2 m166 in1973/745.1 m202 in1974/757.0 m274 in1975/763.5 m136 in1976/776.9 m270 in1977/786.4 m251 in1978/795.3 m208 in1979/805.9 m233 in
- 1980s1980/814.9 m191 in1981/825.9 m230 in1982/836.0 m235 in1983/845.2 m203 in1984/854.5 m177 in1985/866.3 m249 in1986/874.9 m193 in1987/885.7 m222 in1988/895.5 m216 in1989/904.6 m180 in
- 1990s1990/914.5 m178 in1991/925.8 m230 in1992/934.2 m165 in1993/945.1 m200 in1994/956.3 m249 in1995/963.2 m124 in1996/974.9 m192 in1997/985.4 m214 in1998/996.7 m264 in1999/006.0 m236 in
- 2000s2000/017.3 m288 in2001/023.9 m152 in2002/035.3 m209 in2003/045.2 m205 in2004/053.7 m145 in2005/064.4 m172 in2006/073.8 m151 in2007/085.6 m221 in2008/095.9 m230 in2009/104.3 m168 in
- 2010s2010/113.0 m119 in2011/125.8 m229 in2012/135.4 m213 in2013/145.2 m206 in2014/155.5 m218 in2015/164.4 m174 in2016/174.0 m156 in2017/185.7 m226 in2018/195.4 m212 in2019/205.0 m195 in
- 2020s2020/214.5 m178 in2021/223.8 m150 in2022/233.9 m154 in2023/247.1 m278 in2024/253.9 m152 in2025/263.4 m132 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