76 winters, day by day
Tamarack Resort, United States. Every ski winter from 1950/51 to 2025/26.
Tamarack Resort, United States. 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 11% of 736 resorts
+1.4°C+2.4°F
The trend: from -8°C17°F to -7°C19°F. Point at a winter to read it.
Snowfall at the summit
−26%
The trend: from 4.2 m164 in to 3.1 m122 in. Point at a winter to read it.
Powder days at the summit
−3 days
The trend: from 9 to 6. Point at a winter to read it.
Days with a base at the summit
−8 days
The trend: from 158 to 149. Point at a winter to read it.
Days with fresh snow at the summit
−15 days
The trend: from 78 to 64. 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−15%
Then
4.0 m158 in
Now
3.4 m134 in
- Snowfall in the village−17%
Then
2.7 m105 in
Now
2.2 m88 in
- Powder days at the summit−2 days
Then
9
Now
7
- Days with a base at the summit−2 days
Then
154
Now
152
- Average temperature at the summit+0.8°C+1.5°F
Then
-8°C17°F
Now
-7°C19°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
- 1950s1950/514.4 m172 in1951/525.0 m198 in1952/534.9 m192 in1953/544.5 m178 in1954/553.6 m142 in1955/564.7 m187 in1956/573.5 m139 in1957/584.6 m182 in1958/593.6 m142 in1959/603.5 m138 in
- 1960s1960/613.7 m147 in1961/623.9 m152 in1962/632.4 m93 in1963/644.1 m163 in1964/654.9 m192 in1965/663.1 m124 in1966/674.8 m188 in1967/683.0 m116 in1968/694.4 m174 in1969/704.0 m158 in
- 1970s1970/715.2 m205 in1971/724.9 m194 in1972/732.9 m114 in1973/745.9 m232 in1974/754.9 m194 in1975/763.8 m151 in1976/771.3 m52 in1977/784.0 m157 in1978/793.2 m127 in1979/803.6 m141 in
- 1980s1980/812.2 m85 in1981/824.6 m180 in1982/834.6 m181 in1983/844.0 m156 in1984/853.4 m135 in1985/863.8 m151 in1986/872.1 m84 in1987/882.6 m104 in1988/893.9 m153 in1989/902.4 m94 in
- 1990s1990/912.7 m105 in1991/922.0 m79 in1992/933.8 m150 in1993/942.8 m108 in1994/954.1 m161 in1995/964.1 m162 in1996/974.4 m175 in1997/983.4 m133 in1998/995.2 m206 in1999/003.6 m142 in
- 2000s2000/012.1 m81 in2001/023.7 m147 in2002/033.5 m137 in2003/043.5 m137 in2004/052.1 m83 in2005/064.8 m190 in2006/072.9 m115 in2007/084.0 m156 in2008/093.3 m131 in2009/103.0 m117 in
- 2010s2010/114.3 m170 in2011/123.2 m124 in2012/132.4 m95 in2013/143.3 m128 in2014/152.3 m89 in2015/163.5 m137 in2016/174.1 m163 in2017/183.0 m120 in2018/193.8 m150 in2019/203.1 m121 in
- 2020s2020/213.3 m131 in2021/222.8 m111 in2022/233.9 m152 in2023/243.0 m119 in2024/254.0 m156 in2025/262.5 m98 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