Elm, 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 38% of 736 resorts
+2.0°C+3.5°F
The trend: from -7°C19°F to -5°C22°F. Point at a winter to read it.
Snowfall at the summit
−16%
The trend: from 5.2 m206 in to 4.4 m172 in. Point at a winter to read it.
Powder days at the summit
−3 days
The trend: from 17 to 13. Point at a winter to read it.
Days with a base at the summit
−7 days
The trend: from 171 to 163. Point at a winter to read it.
Days with fresh snow at the summit
−11 days
The trend: from 77 to 67. 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−10%
Then
5.0 m198 in
Now
4.5 m177 in
- Snowfall in the village−19%
Then
2.6 m102 in
Now
2.1 m82 in
- Powder days at the summit−2 days
Then
16
Now
14
- Days with a base at the summit−4 days
Then
169
Now
165
- Average temperature at the summit+1.1°C+1.9°F
Then
-7°C20°F
Now
-6°C22°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
- 1950s1950/516.3 m246 in1951/524.9 m193 in1952/535.1 m199 in1953/543.7 m145 in1954/555.6 m220 in1955/563.9 m153 in1956/573.1 m122 in1957/585.1 m200 in1958/593.5 m138 in1959/604.6 m180 in
- 1960s1960/613.9 m155 in1961/625.4 m212 in1962/635.1 m201 in1963/642.7 m106 in1964/655.0 m198 in1965/666.2 m246 in1966/677.4 m291 in1967/685.9 m231 in1968/694.3 m171 in1969/708.0 m314 in
- 1970s1970/713.6 m143 in1971/723.6 m143 in1972/735.3 m210 in1973/745.3 m210 in1974/757.0 m274 in1975/763.4 m135 in1976/776.0 m234 in1977/786.0 m238 in1978/794.3 m170 in1979/806.5 m254 in
- 1980s1980/815.4 m213 in1981/826.7 m262 in1982/835.3 m207 in1983/845.2 m205 in1984/854.4 m174 in1985/865.3 m209 in1986/875.3 m209 in1987/885.9 m233 in1988/894.3 m171 in1989/903.9 m153 in
- 1990s1990/913.6 m141 in1991/925.7 m225 in1992/933.8 m151 in1993/944.9 m193 in1994/956.0 m234 in1995/963.2 m127 in1996/974.6 m181 in1997/984.6 m181 in1998/997.3 m287 in1999/006.4 m254 in
- 2000s2000/016.0 m234 in2001/023.7 m144 in2002/034.0 m159 in2003/044.8 m189 in2004/054.0 m156 in2005/064.3 m169 in2006/073.5 m136 in2007/085.6 m221 in2008/095.3 m209 in2009/103.4 m135 in
- 2010s2010/112.8 m108 in2011/126.0 m236 in2012/134.6 m182 in2013/143.9 m155 in2014/154.5 m177 in2015/164.1 m160 in2016/173.7 m144 in2017/185.2 m204 in2018/195.1 m199 in2019/204.1 m163 in
- 2020s2020/214.4 m172 in2021/223.9 m154 in2022/233.3 m128 in2023/245.9 m233 in2024/253.0 m117 in2025/263.2 m125 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