76 winters, day by day
Mölltaler Gletscher, Austria. Every ski winter from 1950/51 to 2025/26.
Mölltaler Gletscher, Austria. 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.
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Climate change
Average winter temperature at the summit
Faster warming than 44% of 736 resorts
+2.0°C+3.7°F
The trend: from -14°C8°F to -11°C11°F. Point at a winter to read it.
Snowfall at the summit
−7%
The trend: from 3.8 m148 in to 3.5 m137 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 8 to 7. Point at a winter to read it.
Days with a base at the summit
−9 days
The trend: from 169 to 160. Point at a winter to read it.
Days with fresh snow at the summit
−9 days
The trend: from 78 to 69. 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
3.8 m149 in
Now
3.5 m138 in
- Powder days at the summit−1 day
Then
8
Now
7
- Days with a base at the summit−5 days
Then
167
Now
161
- Average temperature at the summit+1.1°C+2.1°F
Then
-13°C9°F
Now
-12°C11°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 m239 in1951/523.3 m131 in1952/532.7 m106 in1953/542.7 m106 in1954/553.2 m126 in1955/563.0 m117 in1956/573.0 m119 in1957/583.8 m148 in1958/593.1 m122 in1959/604.2 m165 in
- 1960s1960/613.1 m123 in1961/624.6 m182 in1962/633.0 m119 in1963/642.7 m107 in1964/654.8 m187 in1965/663.7 m145 in1966/675.2 m205 in1967/683.8 m149 in1968/693.0 m117 in1969/704.5 m175 in
- 1970s1970/713.2 m126 in1971/723.7 m147 in1972/733.5 m136 in1973/743.6 m142 in1974/755.1 m201 in1975/763.0 m118 in1976/775.3 m207 in1977/784.5 m178 in1978/794.0 m156 in1979/804.4 m174 in
- 1980s1980/813.2 m127 in1981/823.2 m126 in1982/833.9 m152 in1983/843.4 m135 in1984/853.4 m132 in1985/864.3 m169 in1986/873.6 m143 in1987/883.9 m153 in1988/893.6 m142 in1989/903.0 m120 in
- 1990s1990/913.2 m127 in1991/925.0 m197 in1992/933.2 m128 in1993/943.0 m120 in1994/953.5 m139 in1995/962.3 m92 in1996/973.2 m126 in1997/983.3 m131 in1998/993.5 m138 in1999/003.8 m150 in
- 2000s2000/015.2 m206 in2001/023.1 m122 in2002/032.7 m105 in2003/043.6 m143 in2004/052.9 m112 in2005/063.3 m131 in2006/072.9 m114 in2007/083.7 m145 in2008/094.8 m187 in2009/103.2 m126 in
- 2010s2010/112.6 m104 in2011/123.1 m121 in2012/133.8 m148 in2013/144.9 m194 in2014/153.0 m118 in2015/163.2 m124 in2016/172.9 m114 in2017/184.0 m157 in2018/194.2 m165 in2019/204.4 m175 in
- 2020s2020/214.3 m169 in2021/223.2 m128 in2022/233.4 m134 in2023/244.8 m190 in2024/252.3 m89 in2025/262.2 m85 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