76 winters, day by day
Lauchernalp, Switzerland. Every ski winter from 1950/51 to 2025/26.
Lauchernalp, 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 43% of 736 resorts
+2.0°C+3.7°F
The trend: from -14°C7°F to -12°C10°F. Point at a winter to read it.
Snowfall at the summit
−6%
The trend: from 6.0 m237 in to 5.6 m222 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 19 to 18. Point at a winter to read it.
Days with a base at the summit
−5 days
The trend: from 175 to 170. Point at a winter to read it.
Days with fresh snow at the summit
−6 days
The trend: from 84 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
5.9 m231 in
Now
5.6 m220 in
- Snowfall in the village−11%
Then
4.2 m167 in
Now
3.8 m149 in
- Powder days at the summit±0 days
Then
18
Now
18
- Days with a base at the summit−3 days
Then
174
Now
171
- Average temperature at the summit+1.1°C+2.1°F
Then
-14°C8°F
Now
-12°C10°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
- 1950s1950/516.9 m272 in1951/526.5 m255 in1952/535.9 m231 in1953/544.0 m157 in1954/556.7 m262 in1955/564.6 m180 in1956/573.6 m142 in1957/586.8 m269 in1958/594.6 m182 in1959/605.7 m224 in
- 1960s1960/615.1 m200 in1961/626.0 m237 in1962/636.0 m236 in1963/643.7 m145 in1964/655.8 m227 in1965/667.9 m311 in1966/677.2 m284 in1967/686.2 m245 in1968/695.9 m234 in1969/709.0 m353 in
- 1970s1970/713.8 m151 in1971/724.5 m176 in1972/735.2 m205 in1973/745.5 m217 in1974/756.9 m271 in1975/763.8 m149 in1976/777.2 m284 in1977/787.6 m300 in1978/795.7 m224 in1979/808.1 m318 in
- 1980s1980/816.4 m252 in1981/827.5 m295 in1982/837.0 m274 in1983/846.3 m246 in1984/855.1 m201 in1985/866.7 m265 in1986/876.9 m271 in1987/887.5 m295 in1988/895.8 m227 in1989/905.0 m196 in
- 1990s1990/914.8 m190 in1991/926.3 m246 in1992/935.3 m209 in1993/946.5 m254 in1994/958.2 m323 in1995/963.7 m144 in1996/976.0 m235 in1997/985.1 m202 in1998/998.2 m321 in1999/006.6 m261 in
- 2000s2000/016.9 m272 in2001/024.8 m189 in2002/036.0 m235 in2003/045.2 m206 in2004/054.7 m185 in2005/064.9 m194 in2006/074.7 m185 in2007/086.6 m260 in2008/095.8 m229 in2009/104.2 m167 in
- 2010s2010/113.3 m131 in2011/126.4 m251 in2012/136.3 m247 in2013/144.9 m194 in2014/155.9 m231 in2015/165.7 m224 in2016/174.5 m177 in2017/187.0 m275 in2018/196.7 m262 in2019/206.1 m238 in
- 2020s2020/215.0 m198 in2021/225.0 m196 in2022/234.8 m187 in2023/248.0 m315 in2024/254.5 m179 in2025/264.3 m169 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