76 winters, day by day
Røldal Skisenter, Norway. Every ski winter from 1950/51 to 2025/26.
Røldal Skisenter, Norway. 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 79% of 736 resorts
+2.7°C+4.8°F
The trend: from -9°C17°F to -6°C21°F. Point at a winter to read it.
Snowfall at the summit
+27%
The trend: from 6.2 m244 in to 7.9 m309 in. Point at a winter to read it.
Powder days at the summit
+6 days
The trend: from 20 to 27. Point at a winter to read it.
Days with a base at the summit
−12 days
The trend: from 181 to 170. Point at a winter to read it.
Days with fresh snow at the summit
+12 days
The trend: from 88 to 100. 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+17%
Then
6.2 m246 in
Now
7.3 m289 in
- Snowfall in the village−1%
Then
4.2 m167 in
Now
4.2 m166 in
- Powder days at the summit+5 days
Then
20
Now
25
- Days with a base at the summit−6 days
Then
178
Now
172
- Average temperature at the summit+1.7°C+3.1°F
Then
-8°C17°F
Now
-6°C21°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
- 1950s1950/514.6 m180 in1951/527.6 m299 in1952/536.2 m243 in1953/545.6 m220 in1954/555.3 m209 in1955/564.8 m190 in1956/577.6 m300 in1957/585.9 m232 in1958/594.6 m180 in1959/604.7 m185 in
- 1960s1960/616.6 m261 in1961/627.7 m305 in1962/633.4 m133 in1963/644.8 m191 in1964/656.6 m259 in1965/664.5 m178 in1966/6710.2 m400 in1967/687.5 m294 in1968/694.3 m171 in1969/704.6 m183 in
- 1970s1970/716.9 m272 in1971/726.6 m260 in1972/738.7 m344 in1973/747.7 m302 in1974/758.4 m332 in1975/7610.2 m403 in1976/774.5 m178 in1977/785.7 m224 in1978/796.5 m257 in1979/804.9 m193 in
- 1980s1980/818.8 m346 in1981/826.0 m237 in1982/8311.0 m433 in1983/847.0 m274 in1984/855.1 m202 in1985/865.6 m219 in1986/876.3 m250 in1987/885.4 m211 in1988/8910.9 m428 in1989/9013.3 m522 in
- 1990s1990/915.7 m226 in1991/929.7 m380 in1992/9311.8 m466 in1993/948.4 m331 in1994/9510.1 m398 in1995/962.4 m93 in1996/979.1 m359 in1997/986.0 m238 in1998/998.1 m318 in1999/0010.6 m419 in
- 2000s2000/015.0 m195 in2001/028.3 m326 in2002/035.0 m197 in2003/045.5 m218 in2004/059.0 m354 in2005/064.9 m194 in2006/0710.7 m419 in2007/089.8 m384 in2008/096.5 m255 in2009/103.8 m150 in
- 2010s2010/116.1 m240 in2011/128.6 m339 in2012/135.7 m222 in2013/1410.1 m398 in2014/1510.2 m400 in2015/168.8 m348 in2016/177.8 m308 in2017/186.8 m267 in2018/194.5 m178 in2019/2010.8 m424 in
- 2020s2020/215.5 m215 in2021/227.2 m283 in2022/236.5 m257 in2023/247.8 m307 in2024/255.9 m233 in2025/265.3 m209 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