76 winters, day by day
Riserva Bianca, Italy. Every ski winter from 1950/51 to 2025/26.
Riserva Bianca, Italy. 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 84% of 736 resorts
+2.8°C+5.1°F
The trend: from -4°C24°F to -2°C29°F. Point at a winter to read it.
Snowfall at the summit
−32%
The trend: from 3.3 m130 in to 2.3 m89 in. Point at a winter to read it.
Powder days at the summit
−3 days
The trend: from 11 to 7. Point at a winter to read it.
Days with a base at the summit
−60 days
The trend: from 105 to 44. Point at a winter to read it.
Days with a base in the village
−49 days
The trend: from 85 to 37. 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−26%
Then
3.3 m131 in
Now
2.4 m96 in
- Snowfall in the village−26%
Then
3.3 m131 in
Now
2.5 m97 in
- Powder days at the summit−3 days
Then
11
Now
8
- Days with a base at the summit−44 days
Then
100
Now
56
- Days with a base in the village−36 days
Then
82
Now
46
- Average temperature at the summit+1.7°C+3.0°F
Then
-4°C25°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
- 1950s1950/513.8 m150 in1951/5264 cm25 in1952/531.9 m76 in1953/542.7 m107 in1954/553.5 m138 in1955/563.3 m130 in1956/572.1 m81 in1957/583.4 m132 in1958/593.2 m125 in1959/606.0 m237 in
- 1960s1960/612.4 m93 in1961/623.8 m149 in1962/634.0 m157 in1963/642.9 m113 in1964/652.3 m92 in1965/662.5 m98 in1966/672.0 m79 in1967/682.4 m93 in1968/694.0 m159 in1969/702.8 m110 in
- 1970s1970/713.9 m154 in1971/726.3 m248 in1972/733.1 m122 in1973/744.7 m186 in1974/753.5 m138 in1975/763.6 m142 in1976/773.3 m129 in1977/785.3 m207 in1978/792.9 m113 in1979/803.5 m139 in
- 1980s1980/811.4 m55 in1981/823.0 m117 in1982/832.8 m109 in1983/842.9 m114 in1984/852.9 m112 in1985/864.0 m156 in1986/872.7 m104 in1987/882.3 m92 in1988/891.4 m55 in1989/9094 cm37 in
- 1990s1990/912.6 m101 in1991/921.5 m57 in1992/932.4 m94 in1993/942.4 m93 in1994/9583 cm33 in1995/964.2 m165 in1996/972.5 m97 in1997/982.2 m87 in1998/992.0 m77 in1999/001.6 m63 in
- 2000s2000/013.0 m117 in2001/022.5 m98 in2002/032.1 m81 in2003/043.3 m128 in2004/051.7 m68 in2005/061.9 m76 in2006/0766 cm26 in2007/082.6 m103 in2008/094.6 m182 in2009/103.7 m146 in
- 2010s2010/113.4 m135 in2011/121.4 m57 in2012/133.9 m153 in2013/144.2 m164 in2014/152.7 m108 in2015/161.8 m72 in2016/171.6 m62 in2017/184.0 m156 in2018/191.4 m55 in2019/202.4 m93 in
- 2020s2020/212.4 m96 in2021/221.1 m43 in2022/231.5 m59 in2023/242.7 m105 in2024/251.5 m60 in2025/263.1 m123 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