76 winters, day by day
Heavenly Mountain Resort, United States. Every ski winter from 1950/51 to 2025/26.
Heavenly Mountain 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 12% of 736 resorts
+1.4°C+2.5°F
The trend: from -7°C19°F to -6°C21°F. Point at a winter to read it.
Snowfall at the summit
−8%
The trend: from 4.3 m169 in to 3.9 m154 in. Point at a winter to read it.
Powder days at the summit
−3 days
The trend: from 15 to 12. Point at a winter to read it.
Days with a base at the summit
−24 days
The trend: from 135 to 111. Point at a winter to read it.
Days with fresh snow at the summit
−4 days
The trend: from 54 to 50. 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−3%
Then
4.2 m166 in
Now
4.1 m160 in
- Snowfall in the village−3%
Then
4.2 m166 in
Now
4.1 m160 in
- Powder days at the summit−2 days
Then
14
Now
13
- Days with a base at the summit−12 days
Then
129
Now
117
- Average temperature at the summit+0.8°C+1.4°F
Then
-7°C19°F
Now
-6°C21°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
- 1950s1950/513.9 m154 in1951/527.5 m296 in1952/534.8 m190 in1953/544.1 m159 in1954/553.7 m144 in1955/565.3 m210 in1956/573.2 m125 in1957/585.8 m229 in1958/592.7 m106 in1959/603.3 m130 in
- 1960s1960/613.1 m122 in1961/624.8 m189 in1962/633.3 m130 in1963/643.1 m124 in1964/654.8 m191 in1965/663.7 m144 in1966/676.2 m245 in1967/683.1 m121 in1968/696.2 m245 in1969/703.4 m135 in
- 1970s1970/715.3 m207 in1971/723.4 m132 in1972/734.4 m174 in1973/745.0 m197 in1974/755.6 m222 in1975/761.9 m75 in1976/771.5 m57 in1977/785.5 m218 in1978/793.5 m136 in1979/804.1 m161 in
- 1980s1980/812.8 m112 in1981/825.0 m198 in1982/837.5 m296 in1983/844.3 m170 in1984/853.8 m148 in1985/865.0 m195 in1986/872.4 m93 in1987/882.5 m96 in1988/893.6 m141 in1989/902.2 m87 in
- 1990s1990/912.9 m115 in1991/922.2 m86 in1992/935.4 m213 in1993/942.3 m90 in1994/956.2 m244 in1995/964.9 m191 in1996/974.3 m167 in1997/985.5 m215 in1998/995.3 m208 in1999/004.0 m158 in
- 2000s2000/012.6 m104 in2001/023.8 m148 in2002/034.1 m162 in2003/043.6 m143 in2004/054.7 m186 in2005/065.6 m219 in2006/072.8 m109 in2007/083.7 m144 in2008/093.4 m135 in2009/104.6 m179 in
- 2010s2010/116.4 m250 in2011/122.8 m112 in2012/132.5 m97 in2013/142.5 m96 in2014/151.8 m69 in2015/164.6 m179 in2016/177.1 m278 in2017/183.0 m118 in2018/196.0 m235 in2019/203.4 m135 in
- 2020s2020/212.9 m113 in2021/223.3 m129 in2022/237.4 m290 in2023/243.9 m155 in2024/254.0 m159 in2025/263.0 m119 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