Geto Kogen, 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 51% of 736 resorts
+2.1°C+3.8°F
The trend: from -5°C23°F to -3°C27°F. Point at a winter to read it.
Snowfall at the summit
−20%
The trend: from 1.8 m72 in to 1.5 m58 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 2 to 1. Point at a winter to read it.
Days with a base at the summit
−30 days
The trend: from 104 to 74. Point at a winter to read it.
Days with fresh snow at the summit
−9 days
The trend: from 53 to 43. 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−13%
Then
1.8 m70 in
Now
1.6 m61 in
- Snowfall in the village−13%
Then
1.8 m70 in
Now
1.6 m61 in
- Powder days at the summit±0 days
Then
2
Now
1
- Days with a base at the summit−18 days
Then
98
Now
79
- Average temperature at the summit+1.2°C+2.2°F
Then
-5°C24°F
Now
-3°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
- 1950s1950/511.8 m70 in1951/521.6 m64 in1952/531.4 m56 in1953/541.2 m48 in1954/551.9 m76 in1955/562.3 m92 in1956/572.3 m92 in1957/582.0 m78 in1958/591.3 m51 in1959/601.7 m68 in
- 1960s1960/612.0 m80 in1961/621.9 m76 in1962/631.8 m70 in1963/642.0 m79 in1964/651.8 m71 in1965/662.0 m77 in1966/671.6 m61 in1967/681.4 m54 in1968/691.7 m65 in1969/701.9 m75 in
- 1970s1970/711.6 m63 in1971/721.7 m65 in1972/731.5 m59 in1973/742.4 m96 in1974/752.2 m86 in1975/761.3 m51 in1976/772.0 m80 in1977/782.3 m91 in1978/791.2 m47 in1979/801.5 m60 in
- 1980s1980/811.8 m72 in1981/821.4 m55 in1982/832.0 m78 in1983/842.4 m94 in1984/851.7 m65 in1985/861.8 m71 in1986/871.7 m69 in1987/881.5 m57 in1988/891.3 m53 in1989/9094 cm37 in
- 1990s1990/911.4 m54 in1991/921.3 m53 in1992/931.9 m75 in1993/941.5 m58 in1994/951.5 m60 in1995/961.9 m74 in1996/971.3 m50 in1997/981.5 m58 in1998/991.6 m63 in1999/001.7 m65 in
- 2000s2000/011.7 m65 in2001/021.8 m69 in2002/031.9 m74 in2003/041.4 m57 in2004/051.7 m67 in2005/061.8 m70 in2006/071.2 m46 in2007/081.1 m42 in2008/091.5 m61 in2009/101.7 m68 in
- 2010s2010/112.0 m79 in2011/121.8 m70 in2012/131.8 m69 in2013/142.4 m93 in2014/151.7 m66 in2015/161.3 m52 in2016/171.3 m50 in2017/181.7 m69 in2018/191.5 m60 in2019/201.3 m49 in
- 2020s2020/211.3 m49 in2021/221.6 m63 in2022/231.2 m47 in2023/241.5 m59 in2024/251.3 m52 in2025/261.3 m50 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