SnowOdds

76 winters, day by day

Cypress Mountain, Canada. Every ski winter from 1950/51 to 2025/26.

Painting of Cypress Mountain
Average winter
4.7 m186 in
Snowiest winter
8.8 m348 in
Leanest winter
1.0 m41 in
Powder days a winter
16

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 16% of 736 resorts

+1.5°C+2.7°F

The trend: from -5°C24°F to -3°C27°F. Point at a winter to read it.

-6°21°-5°23°-4°25°-3°27°-2°28°

Snowfall at the summit

−39%

The trend: from 5.9 m232 in to 3.6 m141 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

−11 days

The trend: from 21 to 10. Point at a winter to read it.

0102030

Days with a base at the summit

−71 days

The trend: from 89 to 17. Point at a winter to read it.

050100150

Days with fresh snow at the summit

−16 days

The trend: from 76 to 60. Point at a winter to read it.

20406080100

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−23%

Then

5.6 m219 in

Now

4.3 m169 in

Snowfall in the village−34%

Then

4.5 m176 in

Now

2.9 m116 in

Powder days at the summit−7 days

Then

20

Now

13

Days with a base at the summit−40 days

Then

78

Now

37

Average temperature at the summit+1.0°C+1.8°F

Then

-4°C24°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
56 cm22 in
Snowiest winter
8.8 m348 in
Leanest winter
1.0 m41 in
Deepest snow on the ground
150 cm59 in
Coldest night at the summit
-24°C-12°F
Strongest gust at the summit
126 km/h78 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