Cerro Bayo, 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 1% of 736 resorts
+0.4°C+0.7°F
The trend: from -3°C27°F to -2°C28°F. Point at a winter to read it.
Snowfall at the summit
+1%
The trend: from 3.8 m150 in to 3.9 m152 in. Point at a winter to read it.
Powder days at the summit
+1 day
The trend: from 11 to 12. Point at a winter to read it.
Days with a base at the summit
−4 days
The trend: from 124 to 120. Point at a winter to read it.
Days with fresh snow at the summit
−4 days
The trend: from 62 to 57. 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−2%
Then
3.9 m155 in
Now
3.9 m152 in
- Snowfall in the village−4%
Then
4.0 m159 in
Now
3.9 m152 in
- Powder days at the summit±0 days
Then
11
Now
12
- Days with a base at the summit−4 days
Then
126
Now
122
- Average temperature at the summit+0.3°C+0.5°F
Then
-3°C27°F
Now
-2°C28°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
- 1950s19504.2 m167 in19513.2 m126 in19523.4 m132 in19534.7 m186 in19544.5 m177 in19552.8 m110 in19563.9 m152 in19573.9 m154 in19583.5 m136 in19594.3 m168 in
- 1960s19604.5 m179 in19613.9 m155 in19622.2 m88 in19633.0 m120 in19644.7 m186 in19653.3 m131 in19663.9 m154 in19674.6 m181 in19682.3 m89 in19694.7 m185 in
- 1970s19704.4 m174 in19715.1 m202 in19723.6 m143 in19734.2 m167 in19743.5 m137 in19754.9 m194 in19763.7 m146 in19774.9 m193 in19783.9 m152 in19793.9 m155 in
- 1980s19804.1 m161 in19812.8 m112 in19824.7 m187 in19835.2 m205 in19844.3 m167 in19851.7 m68 in19862.5 m97 in19872.3 m89 in19883.8 m150 in19893.2 m127 in
- 1990s19902.1 m84 in19913.8 m148 in19924.3 m169 in19933.3 m128 in19943.5 m139 in19955.4 m213 in19962.2 m85 in19972.9 m116 in19982.6 m102 in19993.5 m137 in
- 2000s20005.9 m232 in20014.2 m165 in20023.9 m155 in20033.8 m148 in20043.7 m147 in20053.7 m144 in20064.5 m176 in20075.4 m214 in20084.1 m159 in20093.8 m151 in
- 2010s20104.4 m173 in20113.8 m151 in20123.1 m121 in20133.8 m149 in20143.5 m139 in20153.8 m148 in20162.5 m100 in20175.6 m222 in20183.7 m147 in20194.4 m174 in
- 2020s20205.3 m210 in20212.8 m111 in20224.7 m184 in20234.6 m181 in20243.8 m149 in20252.0 m79 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