76 winters, day by day
Bjorli Skisenter, Norway. Every ski winter from 1950/51 to 2025/26.
Bjorli 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 76% of 736 resorts
+2.6°C+4.6°F
The trend: from -11°C13°F to -8°C18°F. Point at a winter to read it.
Snowfall at the summit
+19%
The trend: from 3.9 m152 in to 4.6 m181 in. Point at a winter to read it.
Powder days at the summit
+3 days
The trend: from 8 to 10. Point at a winter to read it.
Days with a base at the summit
−5 days
The trend: from 180 to 175. Point at a winter to read it.
Days with fresh snow at the summit
+8 days
The trend: from 81 to 88. 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+14%
Then
3.9 m152 in
Now
4.4 m173 in
- Snowfall in the village+3%
Then
3.0 m117 in
Now
3.1 m120 in
- Powder days at the summit+2 days
Then
8
Now
10
- Days with a base at the summit−4 days
Then
179
Now
175
- Average temperature at the summit+1.7°C+3.0°F
Then
-10°C14°F
Now
-8°C17°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
- 1950s1950/511.6 m62 in1951/524.9 m193 in1952/534.5 m178 in1953/543.6 m140 in1954/554.0 m157 in1955/564.0 m156 in1956/574.9 m193 in1957/584.1 m162 in1958/593.6 m141 in1959/602.1 m83 in
- 1960s1960/613.7 m147 in1961/624.2 m167 in1962/632.5 m98 in1963/643.6 m141 in1964/655.0 m198 in1965/662.4 m93 in1966/674.7 m186 in1967/685.6 m222 in1968/692.3 m92 in1969/702.4 m94 in
- 1970s1970/714.0 m158 in1971/724.4 m173 in1972/735.1 m199 in1973/744.5 m177 in1974/754.0 m157 in1975/768.0 m313 in1976/772.6 m103 in1977/782.9 m115 in1978/793.4 m134 in1979/803.2 m124 in
- 1980s1980/815.7 m225 in1981/824.3 m167 in1982/835.2 m205 in1983/844.7 m184 in1984/853.4 m134 in1985/862.9 m113 in1986/874.9 m193 in1987/883.6 m143 in1988/897.1 m279 in1989/906.7 m265 in
- 1990s1990/913.5 m136 in1991/926.4 m253 in1992/935.4 m214 in1993/942.7 m107 in1994/955.0 m197 in1995/962.7 m105 in1996/976.1 m240 in1997/984.1 m161 in1998/993.7 m147 in1999/006.1 m240 in
- 2000s2000/012.4 m95 in2001/025.1 m201 in2002/032.9 m115 in2003/043.8 m150 in2004/056.2 m245 in2005/064.1 m161 in2006/075.9 m230 in2007/085.1 m201 in2008/094.0 m157 in2009/102.7 m106 in
- 2010s2010/114.4 m174 in2011/126.0 m237 in2012/132.9 m116 in2013/144.0 m157 in2014/154.1 m161 in2015/164.0 m156 in2016/176.1 m241 in2017/183.7 m144 in2018/194.0 m156 in2019/205.9 m231 in
- 2020s2020/213.9 m154 in2021/225.9 m231 in2022/233.7 m145 in2023/243.8 m148 in2024/255.1 m201 in2025/262.6 m103 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