76 winters, day by day
Mt. Spokane, United States. Every ski winter from 1950/51 to 2025/26.
Mt. Spokane, 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 46% of 736 resorts
+2.1°C+3.7°F
The trend: from -7°C20°F to -5°C23°F. Point at a winter to read it.
Snowfall at the summit
−33%
The trend: from 2.0 m77 in to 1.3 m51 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 2 to 1. Point at a winter to read it.
Days with a base at the summit
−39 days
The trend: from 68 to 29. Point at a winter to read it.
Days with fresh snow at the summit
−13 days
The trend: from 48 to 35. 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−17%
Then
1.9 m74 in
Now
1.6 m61 in
- Snowfall in the village−16%
Then
1.8 m71 in
Now
1.5 m59 in
- Powder days at the summit−1 day
Then
2
Now
1
- Days with a base at the summit−16 days
Then
61
Now
45
- Average temperature at the summit+1.3°C+2.3°F
Then
-7°C20°F
Now
-5°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
- 1950s1950/512.4 m95 in1951/522.8 m109 in1952/532.0 m79 in1953/542.1 m82 in1954/551.9 m74 in1955/562.8 m110 in1956/571.6 m64 in1957/581.9 m76 in1958/592.0 m78 in1959/601.7 m66 in
- 1960s1960/611.8 m69 in1961/621.8 m69 in1962/6393 cm37 in1963/642.6 m103 in1964/652.2 m87 in1965/662.0 m79 in1966/671.6 m62 in1967/681.1 m45 in1968/692.4 m93 in1969/701.4 m56 in
- 1970s1970/712.5 m97 in1971/722.2 m85 in1972/7395 cm37 in1973/742.2 m86 in1974/752.4 m95 in1975/761.9 m74 in1976/7761 cm24 in1977/781.7 m65 in1978/791.6 m62 in1979/801.3 m49 in
- 1980s1980/8167 cm26 in1981/821.5 m57 in1982/831.2 m47 in1983/841.5 m57 in1984/851.9 m75 in1985/861.2 m49 in1986/871.0 m40 in1987/8883 cm33 in1988/891.7 m66 in1989/901.5 m57 in
- 1990s1990/911.3 m52 in1991/9276 cm30 in1992/931.7 m68 in1993/941.1 m44 in1994/951.5 m57 in1995/961.5 m61 in1996/973.2 m125 in1997/981.4 m55 in1998/992.2 m88 in1999/001.9 m74 in
- 2000s2000/011.4 m55 in2001/022.0 m80 in2002/0397 cm38 in2003/041.5 m60 in2004/0585 cm33 in2005/061.6 m62 in2006/071.4 m57 in2007/082.5 m97 in2008/092.0 m78 in2009/1078 cm31 in
- 2010s2010/112.0 m80 in2011/121.5 m58 in2012/131.4 m56 in2013/141.3 m50 in2014/1573 cm29 in2015/161.3 m52 in2016/172.0 m78 in2017/182.2 m85 in2018/191.6 m61 in2019/201.3 m50 in
- 2020s2020/211.2 m49 in2021/221.4 m56 in2022/232.0 m77 in2023/241.1 m44 in2024/251.3 m52 in2025/2679 cm31 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