76 winters, day by day
WINGHILLS Shiratori Resort, Japan. Every ski winter from 1950/51 to 2025/26.
WINGHILLS Shiratori 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 33% of 736 resorts
+1.9°C+3.4°F
The trend: from -3°C27°F to -1°C31°F. Point at a winter to read it.
Snowfall at the summit
−12%
The trend: from 2.8 m108 in to 2.4 m96 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 3 to 2. Point at a winter to read it.
Days with a base at the summit
−16 days
The trend: from 107 to 90. Point at a winter to read it.
Days with fresh snow at the summit
−8 days
The trend: from 64 to 56. 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−6%
Then
2.7 m105 in
Now
2.5 m98 in
- Snowfall in the village−14%
Then
1.9 m75 in
Now
1.6 m65 in
- Powder days at the summit±0 days
Then
3
Now
2
- Days with a base at the summit−8 days
Then
101
Now
93
- Average temperature at the summit+1.1°C+2.0°F
Then
-2°C28°F
Now
-1°C30°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
- 1950s1950/512.7 m108 in1951/523.4 m133 in1952/532.8 m110 in1953/541.7 m67 in1954/552.8 m110 in1955/563.1 m123 in1956/573.0 m119 in1957/582.4 m96 in1958/591.9 m73 in1959/601.7 m69 in
- 1960s1960/612.5 m98 in1961/622.6 m103 in1962/633.2 m127 in1963/642.6 m100 in1964/653.1 m123 in1965/662.8 m111 in1966/672.1 m82 in1967/683.5 m138 in1968/692.9 m113 in1969/703.3 m130 in
- 1970s1970/712.3 m91 in1971/722.0 m80 in1972/732.3 m91 in1973/743.7 m146 in1974/752.6 m102 in1975/762.2 m85 in1976/773.1 m120 in1977/783.3 m131 in1978/791.9 m75 in1979/802.5 m98 in
- 1980s1980/813.7 m144 in1981/822.1 m81 in1982/832.7 m107 in1983/843.5 m139 in1984/852.4 m94 in1985/863.3 m131 in1986/872.4 m96 in1987/882.3 m89 in1988/892.1 m83 in1989/901.9 m74 in
- 1990s1990/912.8 m109 in1991/922.0 m78 in1992/932.3 m89 in1993/942.5 m97 in1994/952.4 m93 in1995/963.3 m129 in1996/972.4 m95 in1997/982.4 m93 in1998/992.3 m89 in1999/002.8 m108 in
- 2000s2000/013.0 m118 in2001/022.7 m107 in2002/033.1 m122 in2003/042.6 m104 in2004/052.7 m108 in2005/063.3 m128 in2006/071.6 m64 in2007/082.3 m89 in2008/092.3 m89 in2009/102.6 m102 in
- 2010s2010/112.5 m100 in2011/122.3 m91 in2012/133.2 m126 in2013/142.7 m106 in2014/153.9 m152 in2015/161.8 m70 in2016/172.2 m88 in2017/182.9 m114 in2018/192.0 m79 in2019/201.6 m61 in
- 2020s2020/212.0 m79 in2021/222.5 m97 in2022/232.0 m80 in2023/242.6 m102 in2024/253.2 m128 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