Hassela, Sweden. 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 88% of 736 resorts
+2.9°C+5.3°F
The trend: from -6°C21°F to -3°C26°F. Point at a winter to read it.
Snowfall at the summit
−18%
The trend: from 1.6 m62 in to 1.3 m51 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 2 to 1. Point at a winter to read it.
Days with a base at the summit
−49 days
The trend: from 115 to 66. Point at a winter to read it.
Days with fresh snow at the summit
−8 days
The trend: from 42 to 35. 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−12%
Then
1.5 m59 in
Now
1.3 m52 in
- Snowfall in the village−17%
Then
1.2 m45 in
Now
95.467 cm38 in
- Powder days at the summit−1 day
Then
1
Now
1
- Days with a base at the summit−31 days
Then
105
Now
73
- Average temperature at the summit+1.9°C+3.4°F
Then
-5°C22°F
Now
-4°C26°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
- 1950s1950/511.8 m69 in1951/5298 cm39 in1952/531.5 m61 in1953/541.3 m49 in1954/551.3 m51 in1955/561.9 m73 in1956/571.2 m48 in1957/581.1 m44 in1958/591.8 m71 in1959/601.7 m68 in
- 1960s1960/611.7 m65 in1961/621.5 m59 in1962/6390 cm35 in1963/6469 cm27 in1964/651.3 m50 in1965/662.3 m91 in1966/672.4 m93 in1967/681.3 m51 in1968/691.9 m76 in1969/702.0 m79 in
- 1970s1970/711.7 m67 in1971/721.8 m72 in1972/7391 cm36 in1973/741.6 m62 in1974/751.4 m54 in1975/7696 cm38 in1976/772.3 m89 in1977/781.6 m63 in1978/791.3 m51 in1979/801.2 m47 in
- 1980s1980/811.6 m63 in1981/822.3 m89 in1982/831.5 m57 in1983/841.4 m55 in1984/851.9 m74 in1985/861.6 m65 in1986/871.6 m62 in1987/882.2 m86 in1988/891.4 m54 in1989/901.5 m60 in
- 1990s1990/911.5 m58 in1991/9281 cm32 in1992/931.0 m41 in1993/941.5 m59 in1994/952.0 m79 in1995/9660 cm24 in1996/971.5 m59 in1997/981.8 m69 in1998/991.5 m60 in1999/001.3 m51 in
- 2000s2000/011.2 m47 in2001/021.2 m49 in2002/031.6 m61 in2003/0493 cm37 in2004/0586 cm34 in2005/061.3 m52 in2006/071.0 m41 in2007/081.9 m76 in2008/091.5 m59 in2009/101.1 m44 in
- 2010s2010/111.4 m56 in2011/121.3 m52 in2012/131.4 m54 in2013/141.3 m51 in2014/151.2 m48 in2015/161.1 m42 in2016/1795 cm37 in2017/182.1 m83 in2018/191.3 m52 in2019/201.2 m48 in
- 2020s2020/211.2 m48 in2021/221.1 m42 in2022/231.4 m56 in2023/241.8 m71 in2024/251.1 m44 in2025/261.1 m42 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