76 winters, day by day
Inawashiro Snow Paradise, Japan. Every ski winter from 1950/51 to 2025/26.
Inawashiro Snow Paradise, 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 21% of 736 resorts
+1.6°C+2.9°F
The trend: from -4°C25°F to -2°C28°F. Point at a winter to read it.
Snowfall at the summit
−11%
The trend: from 2.1 m82 in to 1.9 m73 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
−17 days
The trend: from 97 to 80. Point at a winter to read it.
Days with fresh snow at the summit
−7 days
The trend: from 61 to 54. 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
2.0 m80 in
Now
1.9 m76 in
- Snowfall in the village−6%
Then
1.7 m65 in
Now
1.6 m61 in
- Powder days at the summit±0 days
Then
2
Now
1
- Days with a base at the summit−10 days
Then
94
Now
84
- Average temperature at the summit+1.0°C+1.7°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
- 1950s1950/512.1 m84 in1951/522.4 m93 in1952/532.2 m87 in1953/541.5 m59 in1954/552.2 m86 in1955/563.0 m119 in1956/572.5 m99 in1957/581.6 m64 in1958/591.1 m45 in1959/601.7 m67 in
- 1960s1960/612.1 m83 in1961/622.1 m82 in1962/631.7 m66 in1963/642.2 m85 in1964/652.3 m91 in1965/662.2 m87 in1966/671.9 m75 in1967/681.9 m76 in1968/692.3 m90 in1969/702.0 m80 in
- 1970s1970/711.9 m74 in1971/721.6 m63 in1972/731.9 m74 in1973/742.5 m97 in1974/752.4 m95 in1975/761.8 m70 in1976/772.1 m83 in1977/782.5 m99 in1978/791.4 m55 in1979/801.9 m75 in
- 1980s1980/812.5 m97 in1981/821.6 m63 in1982/832.1 m83 in1983/842.6 m103 in1984/852.2 m87 in1985/862.3 m91 in1986/872.0 m80 in1987/882.1 m81 in1988/891.7 m65 in1989/901.2 m46 in
- 1990s1990/911.7 m65 in1991/921.7 m66 in1992/932.1 m83 in1993/941.8 m70 in1994/951.7 m67 in1995/962.2 m85 in1996/971.5 m59 in1997/981.9 m76 in1998/991.6 m64 in1999/001.9 m75 in
- 2000s2000/012.6 m104 in2001/021.7 m67 in2002/032.2 m87 in2003/041.5 m58 in2004/052.5 m100 in2005/062.4 m96 in2006/071.3 m52 in2007/081.7 m66 in2008/091.8 m70 in2009/102.2 m85 in
- 2010s2010/112.0 m78 in2011/122.5 m97 in2012/132.3 m89 in2013/142.8 m109 in2014/152.3 m91 in2015/161.5 m58 in2016/172.0 m78 in2017/181.8 m69 in2018/191.7 m69 in2019/201.5 m61 in
- 2020s2020/211.6 m63 in2021/222.0 m80 in2022/231.5 m60 in2023/241.8 m71 in2024/252.1 m83 in2025/261.5 m59 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