76 winters, day by day
Yellowstone Club, United States. Every ski winter from 1950/51 to 2025/26.
Yellowstone Club, 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 13% of 736 resorts
+1.4°C+2.5°F
The trend: from -12°C11°F to -10°C13°F. Point at a winter to read it.
Snowfall at the summit
−10%
The trend: from 2.3 m90 in to 2.1 m81 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 1 to 1. Point at a winter to read it.
Days with a base at the summit
−10 days
The trend: from 161 to 151. Point at a winter to read it.
Days with fresh snow at the summit
−7 days
The trend: from 67 to 60. 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−9%
Then
2.2 m88 in
Now
2.0 m80 in
- Snowfall in the village−13%
Then
2.0 m78 in
Now
1.7 m68 in
- Powder days at the summit±0 days
Then
1
Now
1
- Days with a base at the summit−6 days
Then
157
Now
151
- Average temperature at the summit+0.9°C+1.6°F
Then
-12°C11°F
Now
-11°C13°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
- 1950s1950/512.1 m82 in1951/522.1 m83 in1952/532.3 m91 in1953/542.0 m79 in1954/552.1 m82 in1955/562.3 m89 in1956/572.2 m85 in1957/582.1 m81 in1958/592.0 m80 in1959/602.0 m79 in
- 1960s1960/612.0 m79 in1961/622.1 m82 in1962/632.3 m89 in1963/642.5 m97 in1964/652.3 m89 in1965/661.6 m63 in1966/672.9 m115 in1967/682.6 m102 in1968/692.4 m95 in1969/702.5 m98 in
- 1970s1970/712.3 m90 in1971/722.6 m102 in1972/732.3 m92 in1973/742.4 m95 in1974/752.6 m104 in1975/762.5 m100 in1976/771.7 m65 in1977/782.1 m82 in1978/792.2 m86 in1979/802.4 m93 in
- 1980s1980/811.7 m66 in1981/822.8 m109 in1982/832.2 m85 in1983/842.9 m114 in1984/851.8 m70 in1985/862.4 m94 in1986/871.9 m74 in1987/882.2 m85 in1988/892.6 m103 in1989/901.9 m76 in
- 1990s1990/912.4 m94 in1991/921.8 m71 in1992/932.6 m103 in1993/941.8 m70 in1994/952.6 m102 in1995/962.7 m105 in1996/972.5 m100 in1997/981.9 m75 in1998/992.1 m82 in1999/002.0 m78 in
- 2000s2000/011.5 m60 in2001/021.6 m63 in2002/032.0 m79 in2003/041.8 m72 in2004/051.7 m65 in2005/062.3 m89 in2006/071.8 m71 in2007/082.3 m89 in2008/092.6 m102 in2009/101.8 m70 in
- 2010s2010/112.8 m111 in2011/122.0 m79 in2012/131.8 m71 in2013/142.4 m93 in2014/151.7 m68 in2015/162.1 m82 in2016/172.3 m89 in2017/182.9 m112 in2018/192.1 m84 in2019/201.9 m76 in
- 2020s2020/211.8 m69 in2021/221.9 m76 in2022/232.5 m98 in2023/241.5 m61 in2024/252.1 m83 in2025/261.7 m66 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