76 winters, day by day
Hakodate Nanae Snowpark, Japan. Every ski winter from 1950/51 to 2025/26.
Hakodate Nanae Snowpark, 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 66% of 736 resorts
+2.3°C+4.2°F
The trend: from -7°C20°F to -4°C24°F. Point at a winter to read it.
Snowfall at the summit
−32%
The trend: from 1.9 m73 in to 1.3 m49 in. Point at a winter to read it.
Powder days at the summit
−2 days
The trend: from 4 to 2. Point at a winter to read it.
Days with a base at the summit
−47 days
The trend: from 85 to 37. Point at a winter to read it.
Days with fresh snow at the summit
−9 days
The trend: from 38 to 29. 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−22%
Then
1.8 m69 in
Now
1.4 m54 in
- Snowfall in the village−22%
Then
1.8 m69 in
Now
1.4 m54 in
- Powder days at the summit−1 day
Then
4
Now
2
- Days with a base at the summit−23 days
Then
69
Now
46
- Average temperature at the summit+1.2°C+2.1°F
Then
-6°C21°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
- 1950s1950/511.5 m59 in1951/521.6 m61 in1952/532.2 m86 in1953/541.7 m67 in1954/551.8 m72 in1955/561.9 m76 in1956/571.9 m75 in1957/582.4 m96 in1958/591.7 m66 in1959/601.6 m64 in
- 1960s1960/611.5 m60 in1961/621.3 m50 in1962/631.9 m75 in1963/641.7 m67 in1964/651.9 m76 in1965/662.1 m83 in1966/6791 cm36 in1967/681.2 m47 in1968/691.5 m57 in1969/702.3 m89 in
- 1970s1970/712.1 m84 in1971/722.0 m80 in1972/731.8 m70 in1973/741.0 m41 in1974/752.1 m83 in1975/761.4 m54 in1976/772.0 m78 in1977/781.5 m59 in1978/792.3 m90 in1979/801.7 m69 in
- 1980s1980/812.0 m77 in1981/821.4 m56 in1982/831.4 m53 in1983/842.0 m79 in1984/851.6 m63 in1985/861.4 m55 in1986/871.5 m58 in1987/881.7 m66 in1988/891.2 m47 in1989/901.3 m49 in
- 1990s1990/911.4 m54 in1991/921.4 m55 in1992/931.6 m64 in1993/941.5 m59 in1994/951.3 m49 in1995/961.6 m63 in1996/971.2 m46 in1997/981.0 m41 in1998/992.0 m78 in1999/002.0 m78 in
- 2000s2000/011.4 m54 in2001/021.1 m44 in2002/031.5 m57 in2003/041.6 m65 in2004/051.8 m71 in2005/061.6 m62 in2006/071.9 m73 in2007/0875 cm30 in2008/091.8 m70 in2009/101.2 m46 in
- 2010s2010/1194 cm37 in2011/121.5 m57 in2012/131.3 m51 in2013/141.5 m60 in2014/151.0 m41 in2015/161.0 m40 in2016/171.3 m52 in2017/181.9 m74 in2018/191.0 m41 in2019/201.8 m69 in
- 2020s2020/211.1 m41 in2021/221.3 m50 in2022/231.1 m42 in2023/241.5 m59 in2024/251.2 m46 in2025/261.1 m45 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