76 winters, day by day
Tsugaike Kogen, Japan. Every ski winter from 1950/51 to 2025/26.
Tsugaike 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 12% of 736 resorts
+1.4°C+2.5°F
The trend: from -5°C24°F to -3°C26°F. Point at a winter to read it.
Snowfall at the summit
−2%
The trend: from 4.9 m192 in to 4.8 m187 in. Point at a winter to read it.
Powder days at the summit
+2 days
The trend: from 9 to 10. Point at a winter to read it.
Days with a base at the summit
−11 days
The trend: from 145 to 134. Point at a winter to read it.
Days with a base in the village
−13 days
The trend: from 144 to 131. 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±0
Then
4.8 m190 in
Now
4.8 m190 in
- Snowfall in the village−3%
Then
3.1 m124 in
Now
3.0 m120 in
- Powder days at the summit+1 day
Then
9
Now
10
- Days with a base at the summit−5 days
Then
142
Now
137
- Days with a base in the village−7 days
Then
140
Now
133
- Average temperature at the summit+0.7°C+1.3°F
Then
-4°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
- 1950s1950/515.1 m199 in1951/525.7 m225 in1952/535.2 m206 in1953/543.9 m152 in1954/555.1 m199 in1955/565.9 m232 in1956/575.4 m212 in1957/584.2 m167 in1958/593.8 m148 in1959/604.4 m172 in
- 1960s1960/614.3 m169 in1961/624.0 m159 in1962/634.3 m170 in1963/644.6 m182 in1964/655.7 m222 in1965/665.6 m222 in1966/674.8 m188 in1967/684.8 m189 in1968/694.7 m184 in1969/705.2 m204 in
- 1970s1970/714.4 m173 in1971/724.6 m181 in1972/734.8 m189 in1973/745.8 m229 in1974/755.4 m214 in1975/764.0 m157 in1976/775.3 m207 in1977/785.5 m217 in1978/793.7 m145 in1979/804.5 m177 in
- 1980s1980/815.6 m220 in1981/824.5 m175 in1982/834.7 m185 in1983/845.7 m224 in1984/854.5 m179 in1985/865.3 m208 in1986/874.7 m185 in1987/884.7 m183 in1988/894.6 m180 in1989/903.8 m148 in
- 1990s1990/914.6 m182 in1991/924.0 m159 in1992/934.9 m193 in1993/944.9 m192 in1994/954.7 m185 in1995/965.8 m226 in1996/974.2 m166 in1997/984.3 m170 in1998/994.6 m180 in1999/005.4 m211 in
- 2000s2000/015.9 m233 in2001/024.8 m191 in2002/035.9 m233 in2003/044.3 m170 in2004/055.0 m195 in2005/066.0 m236 in2006/073.4 m132 in2007/084.6 m180 in2008/094.8 m189 in2009/105.3 m208 in
- 2010s2010/115.0 m195 in2011/125.3 m210 in2012/135.6 m222 in2013/145.3 m209 in2014/156.0 m237 in2015/164.0 m156 in2016/175.0 m198 in2017/184.7 m185 in2018/195.0 m198 in2019/203.9 m154 in
- 2020s2020/214.1 m163 in2021/224.5 m176 in2022/233.9 m152 in2023/244.9 m193 in2024/255.2 m206 in2025/263.6 m143 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