76 winters, day by day
Muikamachi Hakkaisan, Japan. Every ski winter from 1950/51 to 2025/26.
Muikamachi Hakkaisan, 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 15% of 736 resorts
+1.5°C+2.7°F
The trend: from -4°C25°F to -2°C28°F. Point at a winter to read it.
Snowfall at the summit
±0%
The trend: from 4.7 m185 in to 4.7 m184 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 8 to 8. Point at a winter to read it.
Days with a base at the summit
−11 days
The trend: from 136 to 125. Point at a winter to read it.
Days with a base in the village
−11 days
The trend: from 129 to 118. 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+2%
Then
4.7 m183 in
Now
4.7 m186 in
- Snowfall in the village−2%
Then
5.6 m219 in
Now
5.4 m214 in
- Powder days at the summit+1 day
Then
8
Now
9
- Days with a base at the summit−6 days
Then
133
Now
126
- Days with a base in the village−6 days
Then
125
Now
119
- Average temperature at the summit+0.9°C+1.6°F
Then
-3°C26°F
Now
-2°C28°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
- 1950s1950/514.8 m189 in1951/525.5 m218 in1952/535.2 m206 in1953/544.2 m165 in1954/555.4 m214 in1955/565.7 m226 in1956/575.7 m222 in1957/583.9 m155 in1958/593.2 m127 in1959/603.9 m154 in
- 1960s1960/614.0 m158 in1961/624.6 m181 in1962/633.9 m153 in1963/644.6 m183 in1964/655.5 m215 in1965/665.5 m215 in1966/674.4 m172 in1967/684.6 m181 in1968/694.1 m161 in1969/704.4 m175 in
- 1970s1970/714.9 m193 in1971/724.1 m161 in1972/734.4 m175 in1973/745.6 m221 in1974/755.5 m215 in1975/764.0 m156 in1976/774.4 m171 in1977/785.5 m215 in1978/793.7 m144 in1979/804.5 m175 in
- 1980s1980/815.2 m205 in1981/824.7 m186 in1982/834.2 m165 in1983/845.5 m218 in1984/853.9 m154 in1985/865.0 m196 in1986/874.8 m190 in1987/884.2 m165 in1988/894.4 m174 in1989/903.7 m145 in
- 1990s1990/914.6 m179 in1991/923.8 m149 in1992/934.9 m191 in1993/944.9 m193 in1994/954.9 m193 in1995/966.0 m238 in1996/974.2 m165 in1997/984.0 m158 in1998/994.5 m178 in1999/005.3 m209 in
- 2000s2000/015.7 m224 in2001/024.5 m178 in2002/035.6 m219 in2003/044.2 m167 in2004/055.5 m217 in2005/066.3 m246 in2006/073.5 m138 in2007/084.5 m178 in2008/094.5 m176 in2009/104.4 m173 in
- 2010s2010/114.8 m189 in2011/125.2 m204 in2012/135.4 m212 in2013/145.6 m219 in2014/155.7 m223 in2015/163.3 m131 in2016/175.7 m224 in2017/184.0 m158 in2018/194.9 m193 in2019/204.4 m173 in
- 2020s2020/213.8 m150 in2021/225.0 m195 in2022/233.8 m149 in2023/244.5 m176 in2024/255.3 m207 in2025/263.9 m154 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