76 winters, day by day
Unterbäch - Eischoll, Switzerland. Every ski winter from 1950/51 to 2025/26.
Unterbäch - Eischoll, 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 65% of 736 resorts
+2.3°C+4.2°F
The trend: from -10°C14°F to -8°C18°F. Point at a winter to read it.
Snowfall at the summit
−8%
The trend: from 4.6 m182 in to 4.3 m169 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 13 to 12. Point at a winter to read it.
Days with a base at the summit
−8 days
The trend: from 177 to 169. Point at a winter to read it.
Days with a base in the village
−8 days
The trend: from 174 to 167. 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−6%
Then
4.5 m179 in
Now
4.3 m168 in
- Snowfall in the village−16%
Then
2.7 m107 in
Now
2.3 m90 in
- Powder days at the summit±0 days
Then
12
Now
12
- Days with a base at the summit−4 days
Then
175
Now
171
- Days with a base in the village−5 days
Then
173
Now
168
- Average temperature at the summit+1.3°C+2.4°F
Then
-9°C15°F
Now
-8°C17°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
- 1950s1950/516.1 m238 in1951/524.8 m191 in1952/533.9 m152 in1953/543.0 m119 in1954/555.3 m208 in1955/563.5 m136 in1956/572.6 m101 in1957/585.3 m209 in1958/594.2 m163 in1959/604.5 m178 in
- 1960s1960/614.2 m166 in1961/624.7 m186 in1962/635.3 m209 in1963/643.5 m136 in1964/653.5 m137 in1965/665.7 m223 in1966/675.0 m197 in1967/684.5 m175 in1968/694.7 m184 in1969/706.0 m237 in
- 1970s1970/713.2 m128 in1971/724.3 m168 in1972/733.5 m139 in1973/744.2 m166 in1974/755.3 m207 in1975/763.2 m128 in1976/775.9 m233 in1977/786.1 m241 in1978/794.5 m177 in1979/805.8 m228 in
- 1980s1980/814.7 m184 in1981/825.4 m213 in1982/835.6 m220 in1983/844.5 m179 in1984/853.8 m149 in1985/865.9 m233 in1986/874.7 m186 in1987/885.1 m201 in1988/894.5 m178 in1989/904.1 m160 in
- 1990s1990/914.0 m157 in1991/924.4 m171 in1992/934.0 m157 in1993/944.6 m181 in1994/956.3 m249 in1995/962.8 m111 in1996/974.4 m172 in1997/984.0 m158 in1998/995.6 m219 in1999/004.6 m181 in
- 2000s2000/015.5 m215 in2001/023.3 m128 in2002/034.3 m170 in2003/044.6 m181 in2004/053.3 m130 in2005/063.5 m137 in2006/073.3 m131 in2007/084.5 m177 in2008/095.6 m222 in2009/103.6 m141 in
- 2010s2010/112.6 m102 in2011/124.8 m189 in2012/134.7 m185 in2013/144.8 m188 in2014/154.9 m194 in2015/164.0 m158 in2016/173.3 m130 in2017/185.8 m227 in2018/194.9 m192 in2019/205.0 m196 in
- 2020s2020/213.6 m141 in2021/223.5 m137 in2022/233.2 m126 in2023/246.2 m244 in2024/253.9 m152 in2025/263.1 m122 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