SnowOdds

76 winters, day by day

Glacier 3000, Switzerland. Every ski winter from 1950/51 to 2025/26.

Painting of Glacier 3000
Average winter
4.6 m181 in
Snowiest winter
7.5 m296 in
Leanest winter
2.5 m98 in
Powder days a winter
14

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…

Winter total
1950/511960/611970/711980/811990/912000/012010/112020/21
New snow in a day
1 cm0.4 in3 cm1 in7 cm3 in15 cm6 in30 cm12 in50 cm20 in

Climate change

One stripe per winter, 1950/51 to 2025/26. Blue winters were colder than this resort’s average, red ones warmer.

Average winter temperature at the summit

Faster warming than 68% of 736 resorts

+2.4°C+4.3°F

The trend: from -14°C7°F to -12°C11°F. Point at a winter to read it.

-16°3°-14°7°-12°10°-10°14°

Snowfall at the summit

−9%

The trend: from 4.8 m189 in to 4.4 m172 in. Point at a winter to read it.

2.0 m79 in4.0 m157 in6.0 m236 in8.0 m315 in

Powder days at the summit

−1 day

The trend: from 15 to 14. Point at a winter to read it.

510152025

Days with a base at the summit

−9 days

The trend: from 166 to 157. Point at a winter to read it.

120140160180

Days with fresh snow at the summit

−9 days

The trend: from 74 to 65. Point at a winter to read it.

5060708090

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−7%

Then

4.7 m185 in

Now

4.4 m171 in

Snowfall in the village−10%

Then

4.1 m163 in

Now

3.7 m147 in

Powder days at the summit−1 day

Then

14

Now

13

Days with a base at the summit−6 days

Then

166

Now

160

Average temperature at the summit+1.3°C+2.3°F

Then

-13°C8°F

Now

-12°C10°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

Most snow in a day
49 cm19 in
Snowiest winter
7.5 m296 in
Leanest winter
2.5 m98 in
Deepest snow on the ground
329 cm130 in
Coldest night at the summit
-42°C-44°F
Strongest gust at the summit
150 km/h93 mph

All winters

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