76 winters, day by day
Aomori Spring Resort, Japan. Every ski winter from 1950/51 to 2025/26.
Aomori Spring Resort, Japan. 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 30% of 736 resorts
+1.9°C+3.3°F
The trend: from -5°C23°F to -3°C26°F. Point at a winter to read it.
Snowfall at the summit
−13%
The trend: from 2.8 m108 in to 2.4 m94 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 1 to 2. Point at a winter to read it.
Days with a base at the summit
−12 days
The trend: from 94 to 82. Point at a winter to read it.
Days with fresh snow at the summit
−16 days
The trend: from 81 to 65. 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−11%
Then
2.9 m113 in
Now
2.6 m101 in
- Snowfall in the village−13%
Then
2.7 m108 in
Now
2.4 m95 in
- Powder days at the summit±0 days
Then
1
Now
2
- Days with a base at the summit−8 days
Then
93
Now
85
- Average temperature at the summit+1.0°C+1.7°F
Then
-4°C24°F
Now
-4°C26°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
- 1950s1950/513.1 m122 in1951/523.2 m127 in1952/533.6 m141 in1953/542.2 m87 in1954/553.8 m148 in1955/563.1 m124 in1956/573.8 m149 in1957/583.0 m119 in1958/592.0 m80 in1959/603.2 m126 in
- 1960s1960/613.1 m121 in1961/622.5 m98 in1962/633.0 m119 in1963/642.5 m99 in1964/652.7 m106 in1965/663.2 m125 in1966/672.6 m102 in1967/682.8 m109 in1968/692.4 m94 in1969/703.6 m140 in
- 1970s1970/712.5 m96 in1971/722.4 m96 in1972/732.5 m98 in1973/743.6 m143 in1974/753.2 m127 in1975/762.6 m102 in1976/772.9 m114 in1977/783.1 m122 in1978/791.8 m70 in1979/802.3 m90 in
- 1980s1980/812.2 m86 in1981/821.8 m72 in1982/832.1 m82 in1983/842.8 m110 in1984/852.2 m86 in1985/862.4 m95 in1986/872.3 m91 in1987/882.2 m85 in1988/891.7 m67 in1989/901.5 m59 in
- 1990s1990/912.0 m80 in1991/921.9 m75 in1992/931.9 m74 in1993/941.8 m69 in1994/951.9 m76 in1995/961.9 m76 in1996/971.6 m61 in1997/981.5 m58 in1998/992.6 m101 in1999/002.1 m83 in
- 2000s2000/011.8 m70 in2001/022.1 m82 in2002/031.9 m74 in2003/041.9 m74 in2004/052.0 m79 in2005/062.1 m83 in2006/071.8 m71 in2007/082.5 m100 in2008/092.8 m111 in2009/102.8 m110 in
- 2010s2010/112.8 m110 in2011/123.8 m150 in2012/133.2 m125 in2013/143.7 m145 in2014/153.0 m117 in2015/162.4 m94 in2016/172.5 m99 in2017/183.3 m130 in2018/192.9 m113 in2019/202.2 m85 in
- 2020s2020/212.6 m100 in2021/223.3 m129 in2022/232.7 m104 in2023/242.7 m106 in2024/253.6 m141 in2025/262.9 m113 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