76 winters, day by day
Powderhorn, United States. Every ski winter from 1950/51 to 2025/26.
Powderhorn, 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.
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Climate change
Average winter temperature at the summit
Faster warming than 50% of 736 resorts
+2.1°C+3.8°F
The trend: from -9°C16°F to -7°C20°F. Point at a winter to read it.
Snowfall at the summit
−21%
The trend: from 1.5 m57 in to 1.2 m45 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
−15 days
The trend: from 124 to 109. Point at a winter to read it.
Days with a base in the village
−24 days
The trend: from 98 to 74. 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−16%
Then
1.4 m54 in
Now
1.2 m46 in
- Snowfall in the village−15%
Then
1.4 m53 in
Now
1.1 m45 in
- Powder days at the summit±0 days
Then
1
Now
1
- Days with a base at the summit−9 days
Then
118
Now
109
- Days with a base in the village−17 days
Then
91
Now
74
- Average temperature at the summit+1.3°C+2.3°F
Then
-9°C16°F
Now
-7°C19°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
- 1950s1950/5197 cm38 in1951/522.1 m83 in1952/531.2 m46 in1953/5491 cm36 in1954/551.2 m48 in1955/561.4 m54 in1956/571.9 m75 in1957/581.5 m57 in1958/591.1 m43 in1959/601.3 m53 in
- 1960s1960/611.4 m54 in1961/621.4 m57 in1962/6399 cm39 in1963/641.2 m48 in1964/651.9 m73 in1965/661.1 m42 in1966/6785 cm33 in1967/681.7 m65 in1968/691.5 m58 in1969/701.1 m43 in
- 1970s1970/711.0 m40 in1971/7282 cm32 in1972/731.7 m67 in1973/741.3 m51 in1974/751.8 m70 in1975/761.3 m50 in1976/7780 cm31 in1977/781.6 m61 in1978/792.1 m83 in1979/802.2 m88 in
- 1980s1980/8188 cm35 in1981/821.6 m64 in1982/831.8 m72 in1983/842.0 m78 in1984/851.7 m66 in1985/861.4 m56 in1986/871.3 m50 in1987/881.5 m57 in1988/891.5 m61 in1989/901.1 m42 in
- 1990s1990/911.4 m56 in1991/921.1 m45 in1992/932.0 m80 in1993/941.1 m44 in1994/951.7 m65 in1995/961.1 m42 in1996/971.6 m62 in1997/981.5 m60 in1998/991.2 m46 in1999/0095 cm37 in
- 2000s2000/011.2 m48 in2001/0295 cm37 in2002/031.1 m44 in2003/041.1 m43 in2004/051.7 m66 in2005/0699 cm39 in2006/0792 cm36 in2007/081.5 m59 in2008/091.3 m50 in2009/101.5 m58 in
- 2010s2010/111.1 m43 in2011/1290 cm35 in2012/131.2 m47 in2013/141.1 m42 in2014/1598 cm39 in2015/161.5 m59 in2016/171.2 m46 in2017/1864 cm25 in2018/191.5 m59 in2019/2091 cm36 in
- 2020s2020/211.1 m43 in2021/2289 cm35 in2022/232.0 m80 in2023/241.0 m40 in2024/2580 cm31 in2025/2651 cm20 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