76 winters, day by day
Northstar at Tahoe Resort, United States. Every ski winter from 1950/51 to 2025/26.
Northstar at Tahoe Resort, United States. 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 13% of 736 resorts
+1.4°C+2.5°F
The trend: from -4°C24°F to -3°C27°F. Point at a winter to read it.
Snowfall at the summit
−9%
The trend: from 5.5 m217 in to 5.0 m197 in. Point at a winter to read it.
Powder days at the summit
−2 days
The trend: from 19 to 17. Point at a winter to read it.
Days with a base at the summit
−28 days
The trend: from 135 to 107. Point at a winter to read it.
Days with fresh snow at the summit
−4 days
The trend: from 59 to 55. 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−3%
Then
5.4 m212 in
Now
5.2 m205 in
- Snowfall in the village−12%
Then
2.8 m112 in
Now
2.5 m99 in
- Powder days at the summit−1 day
Then
19
Now
18
- Days with a base at the summit−14 days
Then
129
Now
115
- Average temperature at the summit+0.8°C+1.4°F
Then
-4°C25°F
Now
-3°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
- 1950s1950/515.5 m215 in1951/529.6 m376 in1952/536.3 m247 in1953/545.2 m204 in1954/554.5 m178 in1955/566.9 m270 in1956/574.2 m165 in1957/587.4 m291 in1958/593.5 m136 in1959/604.5 m177 in
- 1960s1960/614.1 m161 in1961/625.8 m229 in1962/634.2 m167 in1963/644.2 m164 in1964/656.5 m255 in1965/664.6 m180 in1966/677.7 m302 in1967/684.0 m157 in1968/697.7 m301 in1969/704.7 m184 in
- 1970s1970/716.8 m266 in1971/724.5 m179 in1972/735.4 m211 in1973/746.6 m258 in1974/757.0 m276 in1975/762.5 m99 in1976/771.8 m70 in1977/786.9 m272 in1978/794.4 m172 in1979/805.3 m210 in
- 1980s1980/813.6 m142 in1981/826.7 m264 in1982/839.4 m372 in1983/845.7 m222 in1984/854.5 m178 in1985/866.6 m259 in1986/872.9 m116 in1987/883.2 m124 in1988/894.8 m188 in1989/902.7 m107 in
- 1990s1990/913.7 m146 in1991/922.9 m116 in1992/936.8 m266 in1993/943.0 m116 in1994/958.0 m315 in1995/966.2 m242 in1996/975.4 m213 in1997/986.9 m273 in1998/996.8 m268 in1999/005.3 m210 in
- 2000s2000/013.2 m127 in2001/024.9 m191 in2002/035.4 m211 in2003/044.8 m190 in2004/055.5 m215 in2005/067.3 m285 in2006/073.6 m143 in2007/084.5 m179 in2008/094.6 m181 in2009/105.7 m224 in
- 2010s2010/118.0 m314 in2011/123.8 m151 in2012/133.4 m134 in2013/143.0 m119 in2014/152.3 m90 in2015/165.7 m224 in2016/178.7 m344 in2017/184.2 m163 in2018/197.7 m301 in2019/204.3 m167 in
- 2020s2020/213.6 m143 in2021/224.3 m170 in2022/238.7 m342 in2023/245.4 m213 in2024/255.5 m215 in2025/263.9 m154 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