76 winters, day by day
Sundance Resort, United States. Every ski winter from 1950/51 to 2025/26.
Sundance 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 26% of 736 resorts
+1.8°C+3.2°F
The trend: from -7°C19°F to -5°C23°F. Point at a winter to read it.
Snowfall at the summit
−20%
The trend: from 3.2 m125 in to 2.5 m99 in. Point at a winter to read it.
Powder days at the summit
−2 days
The trend: from 5 to 4. Point at a winter to read it.
Days with a base at the summit
−37 days
The trend: from 143 to 105. Point at a winter to read it.
Days with fresh snow at the summit
−10 days
The trend: from 65 to 56. 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−13%
Then
3.0 m119 in
Now
2.6 m103 in
- Snowfall in the village−17%
Then
1.9 m75 in
Now
1.6 m62 in
- Powder days at the summit−1 day
Then
5
Now
4
- Days with a base at the summit−21 days
Then
134
Now
113
- Average temperature at the summit+1.1°C+2.0°F
Then
-7°C20°F
Now
-6°C22°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
- 1950s1950/513.4 m133 in1951/524.3 m168 in1952/533.4 m132 in1953/542.8 m111 in1954/552.5 m98 in1955/563.2 m125 in1956/573.2 m128 in1957/583.4 m133 in1958/592.9 m113 in1959/602.4 m93 in
- 1960s1960/612.1 m83 in1961/623.4 m133 in1962/632.5 m96 in1963/642.6 m104 in1964/653.6 m141 in1965/662.0 m80 in1966/673.1 m124 in1967/683.3 m128 in1968/693.7 m144 in1969/702.9 m115 in
- 1970s1970/713.0 m119 in1971/722.7 m107 in1972/733.0 m120 in1973/743.4 m132 in1974/753.1 m124 in1975/762.6 m102 in1976/771.1 m44 in1977/783.7 m146 in1978/793.3 m128 in1979/804.1 m161 in
- 1980s1980/812.0 m80 in1981/823.9 m154 in1982/833.9 m154 in1983/844.8 m190 in1984/852.8 m112 in1985/864.1 m161 in1986/871.8 m70 in1987/882.3 m89 in1988/893.1 m120 in1989/902.1 m84 in
- 1990s1990/913.0 m116 in1991/921.6 m62 in1992/933.7 m144 in1993/942.0 m78 in1994/953.1 m122 in1995/963.3 m128 in1996/973.7 m145 in1997/983.1 m123 in1998/992.6 m103 in1999/002.4 m95 in
- 2000s2000/012.1 m82 in2001/022.2 m86 in2002/031.9 m76 in2003/042.6 m102 in2004/052.8 m109 in2005/063.3 m129 in2006/071.9 m75 in2007/083.1 m120 in2008/093.2 m125 in2009/102.2 m87 in
- 2010s2010/114.3 m170 in2011/121.9 m76 in2012/132.2 m85 in2013/142.4 m93 in2014/151.8 m69 in2015/162.5 m100 in2016/173.9 m154 in2017/181.8 m70 in2018/193.3 m129 in2019/202.5 m98 in
- 2020s2020/212.0 m77 in2021/222.0 m77 in2022/234.4 m174 in2023/243.1 m123 in2024/252.4 m93 in2025/261.3 m53 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