SnowOdds

76 winters, day by day

Belleayre Mountain Ski Center, United States. Every ski winter from 1950/51 to 2025/26.

Painting of Belleayre Mountain Ski Center
Average winter
1.7 m67 in
Snowiest winter
2.7 m108 in
Leanest winter
43 cm17 in
Powder days a winter
4

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 36% of 736 resorts

+1.9°C+3.5°F

The trend: from -5°C23°F to -3°C26°F. Point at a winter to read it.

-6°21°-4°25°-2°28°

Snowfall at the summit

−24%

The trend: from 1.9 m76 in to 1.5 m58 in. Point at a winter to read it.

1.0 m39 in2.0 m79 in3.0 m118 in

Powder days at the summit

−1 day

The trend: from 4 to 3. Point at a winter to read it.

0246

Days with a base at the summit

−52 days

The trend: from 78 to 26. Point at a winter to read it.

050100150

Days with fresh snow at the summit

−8 days

The trend: from 39 to 31. Point at a winter to read it.

1020304050

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−16%

Then

1.9 m75 in

Now

1.6 m63 in

Snowfall in the village−16%

Then

1.5 m57 in

Now

1.2 m48 in

Powder days at the summit−1 day

Then

4

Now

3

Days with a base at the summit−37 days

Then

74

Now

37

Average temperature at the summit+1.3°C+2.4°F

Then

-5°C23°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

Most snow in a day
42 cm17 in
Snowiest winter
2.7 m108 in
Leanest winter
43 cm17 in
Deepest snow on the ground
124 cm49 in
Coldest night at the summit
-33°C-27°F
Strongest gust at the summit
145 km/h90 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