76 winters, day by day
Naeba Ski Resort, Japan. Every ski winter from 1950/51 to 2025/26.
Naeba Ski 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 18% of 736 resorts
+1.5°C+2.8°F
The trend: from -6°C21°F to -4°C24°F. Point at a winter to read it.
Snowfall at the summit
+5%
The trend: from 3.3 m129 in to 3.4 m135 in. Point at a winter to read it.
Powder days at the summit
+1 day
The trend: from 3 to 4. Point at a winter to read it.
Days with a base at the summit
−12 days
The trend: from 142 to 130. Point at a winter to read it.
Days with a base in the village
−13 days
The trend: from 136 to 124. 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+5%
Then
3.3 m129 in
Now
3.4 m135 in
- Snowfall in the village+4%
Then
2.2 m86 in
Now
2.3 m89 in
- Powder days at the summit+1 day
Then
3
Now
4
- Days with a base at the summit−6 days
Then
139
Now
132
- Days with a base in the village−7 days
Then
132
Now
125
- Average temperature at the summit+1.0°C+1.7°F
Then
-6°C22°F
Now
-5°C24°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
- 1950s1950/513.5 m137 in1951/524.1 m159 in1952/533.6 m140 in1953/543.0 m116 in1954/553.8 m151 in1955/564.3 m168 in1956/573.5 m137 in1957/582.8 m110 in1958/592.8 m109 in1959/602.9 m112 in
- 1960s1960/612.7 m106 in1961/622.8 m112 in1962/632.6 m103 in1963/643.2 m126 in1964/653.4 m135 in1965/663.7 m145 in1966/673.3 m131 in1967/683.1 m121 in1968/693.2 m126 in1969/703.0 m117 in
- 1970s1970/713.3 m130 in1971/723.4 m133 in1972/733.5 m136 in1973/743.7 m144 in1974/753.7 m147 in1975/762.8 m111 in1976/773.1 m123 in1977/783.9 m152 in1978/792.7 m107 in1979/803.1 m123 in
- 1980s1980/813.7 m145 in1981/823.2 m126 in1982/833.0 m119 in1983/843.9 m152 in1984/853.2 m127 in1985/863.5 m138 in1986/873.3 m130 in1987/883.1 m122 in1988/893.3 m131 in1989/902.7 m105 in
- 1990s1990/913.2 m125 in1991/923.0 m118 in1992/933.6 m140 in1993/943.4 m133 in1994/953.6 m141 in1995/964.2 m165 in1996/972.9 m113 in1997/983.3 m130 in1998/993.2 m124 in1999/003.5 m137 in
- 2000s2000/014.0 m157 in2001/023.2 m125 in2002/034.4 m171 in2003/042.8 m112 in2004/053.9 m152 in2005/064.2 m165 in2006/072.5 m98 in2007/083.5 m137 in2008/093.4 m132 in2009/103.7 m145 in
- 2010s2010/113.5 m139 in2011/123.8 m149 in2012/133.7 m147 in2013/144.1 m162 in2014/154.1 m163 in2015/162.6 m103 in2016/174.3 m170 in2017/182.9 m114 in2018/193.6 m140 in2019/203.4 m134 in
- 2020s2020/212.8 m108 in2021/223.5 m137 in2022/232.6 m103 in2023/243.4 m135 in2024/253.8 m149 in2025/262.5 m99 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