Los Penitentes, Argentina. Every ski winter from 1950 to 2025.
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.
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Climate change
Average winter temperature at the summit
Faster warming than 5% of 736 resorts
+0.9°C+1.7°F
The trend: from -3°C27°F to -2°C29°F. Point at a winter to read it.
Snowfall at the summit
+2%
The trend: from 2.1 m84 in to 2.2 m85 in. Point at a winter to read it.
Powder days at the summit
+1 day
The trend: from 5 to 7. Point at a winter to read it.
Days with a base at the summit
±0 days
The trend: from 145 to 145. Point at a winter to read it.
Days with fresh snow at the summit
−1 day
The trend: from 32 to 31. 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 1950–1979Now 1996–2025
- Snowfall at the summit+6%
Then
2.0 m80 in
Now
2.1 m84 in
- Snowfall in the village+5%
Then
2.0 m78 in
Now
2.1 m82 in
- Powder days at the summit+1 day
Then
5
Now
6
- Days with a base at the summit+1 day
Then
143
Now
144
- Average temperature at the summit+0.5°C+1.0°F
Then
-2°C28°F
Now
-2°C29°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
- 1950s195098 cm39 in19512.2 m87 in19521.2 m47 in19532.0 m79 in19543.0 m119 in195552 cm20 in19562.3 m90 in19572.4 m95 in19581.7 m65 in19592.8 m112 in
- 1960s19602.2 m88 in19612.4 m93 in19622.5 m97 in19632.8 m109 in19641.4 m54 in19653.1 m122 in19661.7 m68 in19671.2 m47 in196887 cm34 in19691.8 m71 in
- 1970s19701.3 m50 in19711.2 m48 in19723.0 m118 in19731.9 m75 in19741.8 m70 in19751.6 m62 in19762.0 m80 in19773.6 m143 in19783.6 m142 in19791.7 m68 in
- 1980s19801.7 m68 in198194 cm37 in19825.8 m228 in19832.8 m108 in19844.5 m178 in19851.1 m41 in19862.0 m78 in19874.8 m187 in19881.5 m61 in19892.5 m98 in
- 1990s19901.1 m42 in19912.2 m87 in19922.2 m86 in19931.6 m63 in19942.0 m77 in19952.0 m77 in199681 cm32 in19974.1 m162 in199884 cm33 in19992.2 m85 in
- 2000s20003.5 m138 in20012.9 m114 in20023.1 m122 in20031.5 m59 in20041.4 m56 in20053.5 m137 in20063.5 m136 in20073.1 m120 in20082.8 m111 in20092.9 m115 in
- 2010s20101.3 m50 in20112.1 m83 in20121.3 m50 in20131.7 m65 in20141.5 m57 in20153.3 m129 in20161.8 m71 in20171.2 m47 in20181.5 m60 in201978 cm31 in
- 2020s20202.3 m92 in20211.0 m41 in20221.7 m65 in20232.8 m110 in20242.5 m100 in20251.5 m57 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