76 winters, day by day
Mt. Shasta Ski Park, United States. Every ski winter from 1950/51 to 2025/26.
Mt. Shasta Ski Park, 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 26% of 736 resorts
+1.8°C+3.2°F
The trend: from -4°C25°F to -2°C28°F. Point at a winter to read it.
Snowfall at the summit
−20%
The trend: from 5.3 m207 in to 4.2 m166 in. Point at a winter to read it.
Powder days at the summit
−4 days
The trend: from 19 to 14. Point at a winter to read it.
Days with a base at the summit
−32 days
The trend: from 144 to 112. Point at a winter to read it.
Days with a base in the village
−41 days
The trend: from 118 to 77. 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
5.0 m198 in
Now
4.7 m184 in
- Snowfall in the village−8%
Then
4.5 m178 in
Now
4.1 m163 in
- Powder days at the summit−1 day
Then
17
Now
16
- Days with a base at the summit−14 days
Then
135
Now
121
- Days with a base in the village−21 days
Then
109
Now
88
- Average temperature at the summit+1.1°C+1.9°F
Then
-4°C25°F
Now
-3°C27°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
- 1950s1950/515.5 m218 in1951/528.5 m334 in1952/537.2 m283 in1953/546.1 m238 in1954/553.7 m146 in1955/566.2 m244 in1956/573.3 m129 in1957/586.7 m265 in1958/594.6 m180 in1959/603.4 m132 in
- 1960s1960/614.8 m189 in1961/624.6 m180 in1962/633.0 m116 in1963/643.6 m143 in1964/655.1 m200 in1965/665.3 m207 in1966/676.5 m257 in1967/684.1 m160 in1968/697.7 m301 in1969/703.7 m145 in
- 1970s1970/715.6 m220 in1971/724.6 m180 in1972/735.5 m215 in1973/747.1 m279 in1974/756.7 m265 in1975/762.5 m100 in1976/771.5 m61 in1977/785.6 m222 in1978/793.5 m139 in1979/804.5 m176 in
- 1980s1980/813.2 m124 in1981/825.5 m218 in1982/838.7 m342 in1983/844.9 m193 in1984/853.8 m148 in1985/864.4 m172 in1986/873.0 m117 in1987/883.3 m130 in1988/894.1 m162 in1989/902.4 m94 in
- 1990s1990/912.6 m102 in1991/923.4 m132 in1992/936.4 m252 in1993/943.3 m128 in1994/957.1 m281 in1995/964.3 m167 in1996/973.3 m129 in1997/987.6 m300 in1998/996.2 m246 in1999/005.1 m199 in
- 2000s2000/014.5 m178 in2001/024.9 m193 in2002/035.3 m210 in2003/045.6 m219 in2004/055.2 m206 in2005/068.5 m333 in2006/073.5 m139 in2007/085.1 m202 in2008/094.1 m162 in2009/106.0 m236 in
- 2010s2010/117.0 m276 in2011/124.4 m172 in2012/133.1 m120 in2013/141.2 m48 in2014/151.4 m54 in2015/164.9 m192 in2016/176.2 m243 in2017/182.5 m98 in2018/195.2 m204 in2019/203.0 m119 in
- 2020s2020/213.2 m124 in2021/222.9 m114 in2022/237.8 m307 in2023/244.8 m189 in2024/255.7 m225 in2025/261.8 m70 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