76 winters, day by day
Jasna Low Tatras, Slovakia. Every ski winter from 1950/51 to 2025/26.
Jasna Low Tatras, Slovakia. 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 76% of 736 resorts
+2.6°C+4.6°F
The trend: from -10°C14°F to -7°C19°F. Point at a winter to read it.
Snowfall at the summit
−22%
The trend: from 1.8 m69 in to 1.4 m54 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 1 to 1. Point at a winter to read it.
Days with a base at the summit
−55 days
The trend: from 111 to 56. Point at a winter to read it.
Days with fresh snow at the summit
−11 days
The trend: from 50 to 39. 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−16%
Then
1.7 m67 in
Now
1.4 m56 in
- Powder days at the summit±0 days
Then
1
Now
1
- Days with a base at the summit−36 days
Then
103
Now
67
- Average temperature at the summit+1.5°C+2.7°F
Then
-9°C16°F
Now
-8°C18°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
- 1950s1950/511.7 m68 in1951/522.2 m85 in1952/531.7 m65 in1953/5493 cm37 in1954/551.9 m73 in1955/561.9 m74 in1956/571.5 m61 in1957/581.9 m75 in1958/5996 cm38 in1959/601.6 m62 in
- 1960s1960/611.1 m43 in1961/622.1 m83 in1962/631.7 m67 in1963/641.0 m41 in1964/651.8 m69 in1965/661.9 m76 in1966/672.8 m109 in1967/681.7 m67 in1968/691.5 m57 in1969/702.2 m85 in
- 1970s1970/711.4 m55 in1971/721.2 m46 in1972/731.5 m59 in1973/741.8 m71 in1974/751.8 m71 in1975/762.3 m89 in1976/772.4 m96 in1977/781.6 m62 in1978/791.6 m63 in1979/801.8 m72 in
- 1980s1980/811.6 m63 in1981/821.9 m76 in1982/831.9 m74 in1983/841.3 m50 in1984/851.4 m56 in1985/861.8 m71 in1986/872.0 m78 in1987/881.6 m61 in1988/891.4 m56 in1989/901.1 m45 in
- 1990s1990/911.1 m41 in1991/921.5 m60 in1992/931.2 m46 in1993/941.9 m74 in1994/951.6 m61 in1995/961.7 m69 in1996/971.1 m44 in1997/981.0 m40 in1998/991.5 m60 in1999/002.3 m89 in
- 2000s2000/011.3 m49 in2001/021.4 m55 in2002/031.3 m49 in2003/041.5 m59 in2004/051.9 m76 in2005/062.2 m85 in2006/071.7 m66 in2007/081.5 m60 in2008/091.7 m65 in2009/101.2 m45 in
- 2010s2010/1195 cm37 in2011/121.6 m63 in2012/132.0 m77 in2013/1485 cm33 in2014/151.5 m58 in2015/161.3 m49 in2016/171.4 m53 in2017/181.6 m63 in2018/191.5 m58 in2019/201.2 m47 in
- 2020s2020/211.4 m54 in2021/221.6 m62 in2022/231.5 m58 in2023/241.7 m69 in2024/2578 cm31 in2025/261.0 m40 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