76 winters, day by day
Loon Mountain Resort, United States. Every ski winter from 1950/51 to 2025/26.
Loon 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 17% of 736 resorts
+1.5°C+2.7°F
The trend: from -7°C19°F to -6°C22°F. Point at a winter to read it.
Snowfall at the summit
−15%
The trend: from 2.1 m81 in to 1.8 m69 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 4 to 3. Point at a winter to read it.
Days with a base at the summit
−33 days
The trend: from 119 to 86. Point at a winter to read it.
Days with fresh snow at the summit
−5 days
The trend: from 43 to 38. 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
2.1 m81 in
Now
1.9 m74 in
- Snowfall in the village−15%
Then
1.3 m50 in
Now
1.1 m43 in
- Powder days at the summit−1 day
Then
4
Now
4
- Days with a base at the summit−22 days
Then
119
Now
97
- Average temperature at the summit+1.1°C+1.9°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
- 1950s1950/512.1 m84 in1951/522.7 m106 in1952/532.0 m78 in1953/542.1 m84 in1954/552.0 m80 in1955/562.3 m89 in1956/571.5 m59 in1957/583.0 m116 in1958/591.9 m74 in1959/602.1 m83 in
- 1960s1960/611.7 m68 in1961/622.0 m80 in1962/632.3 m91 in1963/641.8 m69 in1964/651.5 m60 in1965/661.9 m76 in1966/671.8 m70 in1967/681.9 m73 in1968/692.9 m115 in1969/701.7 m69 in
- 1970s1970/712.4 m95 in1971/722.5 m100 in1972/732.3 m89 in1973/741.8 m72 in1974/752.4 m93 in1975/762.2 m86 in1976/772.0 m80 in1977/782.2 m85 in1978/792.1 m81 in1979/801.0 m39 in
- 1980s1980/811.3 m50 in1981/822.3 m90 in1982/831.3 m52 in1983/842.0 m79 in1984/851.7 m67 in1985/861.6 m65 in1986/872.0 m78 in1987/881.6 m62 in1988/891.4 m56 in1989/901.7 m65 in
- 1990s1990/911.4 m55 in1991/921.4 m53 in1992/931.9 m76 in1993/942.1 m82 in1994/951.4 m56 in1995/962.3 m90 in1996/972.5 m100 in1997/982.0 m78 in1998/991.6 m65 in1999/001.6 m63 in
- 2000s2000/012.5 m97 in2001/021.7 m68 in2002/032.0 m78 in2003/041.5 m57 in2004/051.7 m67 in2005/061.2 m47 in2006/072.3 m92 in2007/082.6 m100 in2008/091.9 m73 in2009/102.1 m83 in
- 2010s2010/112.1 m83 in2011/121.3 m49 in2012/131.6 m63 in2013/141.9 m73 in2014/152.1 m82 in2015/1697 cm38 in2016/172.1 m83 in2017/182.0 m79 in2018/192.4 m94 in2019/202.2 m85 in
- 2020s2020/211.5 m59 in2021/221.8 m70 in2022/231.9 m76 in2023/242.1 m84 in2024/251.8 m70 in2025/261.5 m60 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