Cerro Castor, 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.
Loading the daily snowfall…
Climate change
Average winter temperature at the summit
Faster warming than 38% of 736 resorts
+2.0°C+3.5°F
The trend: from -6°C21°F to -4°C24°F. Point at a winter to read it.
Snowfall at the summit
+1%
The trend: from 1.2 m45 in to 1.2 m46 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 0 to 0. Point at a winter to read it.
Days with a base at the summit
−39 days
The trend: from 127 to 88. Point at a winter to read it.
Days with fresh snow at the summit
+1 day
The trend: from 37 to 38. 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+1%
Then
1.2 m45 in
Now
1.2 m46 in
- Snowfall in the village−32%
Then
71.867 cm28 in
Now
48.533 cm19 in
- Powder days at the summit±0 days
Then
0
Now
0
- Days with a base at the summit−25 days
Then
122
Now
98
- Average temperature at the summit+1.2°C+2.2°F
Then
-6°C21°F
Now
-5°C24°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
- 1950s19501.3 m51 in19511.2 m48 in19521.3 m50 in19531.0 m41 in19541.4 m55 in19551.1 m43 in19561.2 m45 in195785 cm33 in19581.5 m57 in19591.1 m42 in
- 1960s19601.0 m41 in19611.2 m47 in196281 cm32 in196398 cm39 in19641.2 m47 in19651.2 m49 in19661.0 m41 in196792 cm36 in196887 cm34 in19691.3 m52 in
- 1970s197095 cm37 in197196 cm38 in19721.0 m41 in197393 cm37 in19741.1 m42 in19751.1 m43 in19762.2 m87 in19771.4 m53 in19781.4 m56 in19791.1 m42 in
- 1980s19801.5 m57 in19811.5 m59 in19821.0 m39 in19831.3 m50 in198488 cm35 in19851.1 m44 in198694 cm37 in19871.3 m50 in19881.1 m44 in198982 cm32 in
- 1990s19901.3 m50 in19911.2 m48 in199299 cm39 in19931.1 m43 in199482 cm32 in19951.5 m59 in19961.0 m41 in19971.3 m51 in19981.0 m40 in19991.0 m39 in
- 2000s20001.2 m46 in200188 cm35 in20021.1 m43 in20031.1 m44 in20041.1 m45 in200585 cm33 in20061.4 m53 in20071.3 m51 in20081.1 m44 in20091.9 m74 in
- 2010s20101.2 m45 in20111.2 m45 in20121.4 m54 in20131.3 m52 in20141.4 m54 in20151.7 m67 in201690 cm35 in20171.1 m43 in20181.2 m46 in20191.4 m57 in
- 2020s20201.1 m44 in202194 cm37 in20221.1 m44 in20231.1 m41 in20241.0 m40 in202572 cm28 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