76 winters, day by day
Grong skisenter, Norway. Every ski winter from 1950/51 to 2025/26.
Grong 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 86% of 736 resorts
+2.9°C+5.2°F
The trend: from -8°C17°F to -6°C22°F. Point at a winter to read it.
Snowfall at the summit
−2%
The trend: from 3.3 m131 in to 3.2 m128 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 6 to 5. Point at a winter to read it.
Days with a base at the summit
−9 days
The trend: from 153 to 144. Point at a winter to read it.
Days with fresh snow at the summit
−1 day
The trend: from 74 to 73. 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−1%
Then
3.2 m127 in
Now
3.2 m125 in
- Snowfall in the village−1%
Then
3.2 m127 in
Now
3.2 m125 in
- Powder days at the summit−1 day
Then
5
Now
5
- Days with a base at the summit−7 days
Then
150
Now
143
- Average temperature at the summit+1.8°C+3.3°F
Then
-8°C18°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
- 1950s1950/511.8 m70 in1951/523.6 m140 in1952/534.4 m171 in1953/542.8 m109 in1954/553.6 m143 in1955/563.6 m141 in1956/573.3 m131 in1957/583.2 m124 in1958/592.4 m94 in1959/601.8 m70 in
- 1960s1960/613.3 m131 in1961/623.5 m138 in1962/633.0 m119 in1963/643.5 m137 in1964/653.8 m149 in1965/662.3 m91 in1966/673.5 m137 in1967/683.8 m151 in1968/692.4 m93 in1969/702.3 m89 in
- 1970s1970/713.5 m137 in1971/723.2 m126 in1972/734.1 m160 in1973/743.6 m143 in1974/753.3 m131 in1975/765.6 m220 in1976/772.7 m104 in1977/783.1 m120 in1978/792.9 m113 in1979/803.0 m118 in
- 1980s1980/814.7 m183 in1981/822.8 m111 in1982/833.4 m135 in1983/844.3 m169 in1984/852.7 m107 in1985/862.7 m105 in1986/873.4 m132 in1987/882.9 m112 in1988/895.6 m220 in1989/904.1 m163 in
- 1990s1990/912.3 m92 in1991/924.5 m178 in1992/934.6 m181 in1993/942.2 m86 in1994/954.6 m181 in1995/962.4 m93 in1996/975.4 m211 in1997/983.1 m124 in1998/992.7 m107 in1999/004.3 m167 in
- 2000s2000/012.0 m78 in2001/023.2 m126 in2002/033.0 m119 in2003/042.7 m107 in2004/054.2 m165 in2005/062.2 m87 in2006/073.3 m128 in2007/083.4 m132 in2008/093.1 m121 in2009/102.2 m85 in
- 2010s2010/113.7 m146 in2011/124.3 m170 in2012/132.8 m111 in2013/142.8 m109 in2014/153.4 m133 in2015/162.6 m101 in2016/173.9 m152 in2017/182.9 m115 in2018/192.5 m97 in2019/204.7 m185 in
- 2020s2020/212.4 m95 in2021/224.1 m163 in2022/232.9 m112 in2023/242.1 m81 in2024/253.8 m149 in2025/262.1 m81 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