76 winters, day by day
Ponte di Legno - Passo Tonale, Italy. Every ski winter from 1950/51 to 2025/26.
Ponte di Legno - Passo Tonale, 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.
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Climate change
Average winter temperature at the summit
Faster warming than 69% of 736 resorts
+2.4°C+4.3°F
The trend: from -14°C7°F to -11°C12°F. Point at a winter to read it.
Snowfall at the summit
−12%
The trend: from 3.6 m140 in to 3.1 m122 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 10 to 9. Point at a winter to read it.
Days with a base at the summit
−13 days
The trend: from 171 to 158. Point at a winter to read it.
Days with fresh snow at the summit
−6 days
The trend: from 55 to 49. 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−8%
Then
3.6 m140 in
Now
3.3 m129 in
- Snowfall in the village−34%
Then
1.1 m42 in
Now
71.5 cm28 in
- Powder days at the summit±0 days
Then
10
Now
9
- Days with a base at the summit−9 days
Then
170
Now
161
- Average temperature at the summit+1.4°C+2.5°F
Then
-13°C8°F
Now
-12°C11°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
- 1950s1950/516.7 m265 in1951/523.6 m141 in1952/532.5 m97 in1953/542.1 m81 in1954/553.1 m120 in1955/562.7 m107 in1956/572.3 m90 in1957/584.1 m160 in1958/593.5 m139 in1959/604.7 m186 in
- 1960s1960/613.9 m155 in1961/624.0 m158 in1962/633.7 m144 in1963/643.6 m141 in1964/652.3 m90 in1965/663.3 m130 in1966/673.7 m146 in1967/683.2 m126 in1968/693.1 m122 in1969/703.4 m135 in
- 1970s1970/713.9 m152 in1971/724.5 m176 in1972/732.2 m88 in1973/743.5 m139 in1974/753.8 m149 in1975/762.4 m96 in1976/775.3 m207 in1977/784.4 m171 in1978/794.3 m171 in1979/803.3 m129 in
- 1980s1980/812.4 m93 in1981/822.1 m84 in1982/833.6 m143 in1983/843.2 m126 in1984/853.6 m141 in1985/865.0 m198 in1986/872.8 m112 in1987/883.0 m116 in1988/893.6 m140 in1989/902.9 m115 in
- 1990s1990/913.5 m137 in1991/923.1 m120 in1992/932.4 m94 in1993/942.7 m106 in1994/952.7 m105 in1995/961.9 m73 in1996/973.0 m119 in1997/983.4 m132 in1998/992.7 m107 in1999/002.8 m109 in
- 2000s2000/016.0 m237 in2001/022.2 m85 in2002/033.6 m142 in2003/043.8 m150 in2004/052.2 m85 in2005/062.4 m96 in2006/071.8 m69 in2007/083.1 m124 in2008/095.3 m209 in2009/103.6 m143 in
- 2010s2010/113.1 m122 in2011/122.3 m91 in2012/133.9 m153 in2013/145.5 m215 in2014/153.7 m144 in2015/162.4 m95 in2016/172.3 m89 in2017/183.8 m151 in2018/193.1 m122 in2019/204.5 m176 in
- 2020s2020/213.6 m142 in2021/222.3 m91 in2022/232.3 m89 in2023/245.1 m200 in2024/252.5 m100 in2025/261.9 m74 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