76 winters, day by day
Bachledova dolina, Slovakia. Every ski winter from 1950/51 to 2025/26.
Bachledova dolina, 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.
Loading the daily snowfall…
Climate change
Average winter temperature at the summit
Faster warming than 85% of 736 resorts
+2.8°C+5.1°F
The trend: from -5°C24°F to -2°C29°F. Point at a winter to read it.
Snowfall at the summit
−19%
The trend: from 1.5 m57 in to 1.2 m46 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 1 to 1. Point at a winter to read it.
Days with a base at the summit
−50 days
The trend: from 79 to 29. Point at a winter to read it.
Days with fresh snow at the summit
−7 days
The trend: from 44 to 36. 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−13%
Then
1.4 m56 in
Now
1.2 m48 in
- Snowfall in the village−13%
Then
1.4 m57 in
Now
1.3 m50 in
- Powder days at the summit±0 days
Then
1
Now
1
- Days with a base at the summit−30 days
Then
69
Now
39
- 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
- 1950s1950/511.4 m57 in1951/521.9 m73 in1952/531.5 m58 in1953/5486 cm34 in1954/551.4 m56 in1955/561.5 m59 in1956/571.1 m43 in1957/581.5 m60 in1958/5973 cm29 in1959/601.4 m56 in
- 1960s1960/6184 cm33 in1961/622.0 m78 in1962/631.6 m61 in1963/641.0 m39 in1964/651.7 m65 in1965/661.5 m58 in1966/672.2 m88 in1967/681.3 m52 in1968/691.2 m49 in1969/701.7 m67 in
- 1970s1970/711.2 m46 in1971/7283 cm33 in1972/731.5 m59 in1973/741.1 m42 in1974/751.4 m56 in1975/761.9 m73 in1976/771.8 m71 in1977/781.4 m56 in1978/791.3 m50 in1979/801.7 m67 in
- 1980s1980/811.4 m55 in1981/821.7 m67 in1982/831.6 m64 in1983/841.0 m41 in1984/851.3 m50 in1985/861.4 m54 in1986/871.6 m61 in1987/881.4 m56 in1988/891.0 m40 in1989/9090 cm35 in
- 1990s1990/911.1 m42 in1991/921.2 m48 in1992/931.2 m47 in1993/941.2 m46 in1994/951.3 m52 in1995/961.8 m72 in1996/971.0 m41 in1997/981.0 m40 in1998/991.2 m49 in1999/002.0 m79 in
- 2000s2000/011.1 m41 in2001/021.1 m42 in2002/031.2 m48 in2003/041.2 m48 in2004/051.7 m66 in2005/061.6 m64 in2006/071.3 m51 in2007/081.2 m48 in2008/091.5 m59 in2009/1093 cm37 in
- 2010s2010/1184 cm33 in2011/121.1 m44 in2012/131.7 m68 in2013/1461 cm24 in2014/151.3 m53 in2015/1689 cm35 in2016/171.2 m47 in2017/181.3 m50 in2018/191.3 m51 in2019/201.1 m44 in
- 2020s2020/211.3 m51 in2021/221.3 m52 in2022/231.5 m57 in2023/241.3 m50 in2024/2575 cm30 in2025/261.1 m44 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