SnowOdds

76 winters, day by day

Holiday Valley, United States. Every ski winter from 1950/51 to 2025/26.

Holiday Valley
Painting of Holiday Valley
Average winter
1.6 m64 in
Snowiest winter
2.2 m86 in
1959/60
Leanest winter
96 cm38 in
2023/24
Powder days a winter
1

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 27% of 736 resorts

+1.8°C+3.2°F

The trend: from -3°C27°F to -1°C30°F. Point at a winter to read it.

-4°25°-2°28°0°32°

Snowfall at the summit

−17%

The trend: from 1.8 m70 in to 1.5 m58 in. Point at a winter to read it.

1.0 m39 in1.5 m59 in2.0 m79 in

Powder days at the summit

−1 day

The trend: from 2 to 1. Point at a winter to read it.

01234

Days with a base at the summit

−28 days

The trend: from 52 to 24. Point at a winter to read it.

050100

Days with fresh snow at the summit

−5 days

The trend: from 51 to 46. Point at a winter to read it.

30405060

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−12%

Then

1.8 m69 in

Now

1.5 m61 in

Snowfall in the village−12%

Then

1.9 m74 in

Now

1.7 m65 in

Powder days at the summit±0 days

Then

2

Now

1

Days with a base at the summit−21 days

Then

50

Now

29

Average temperature at the summit+1.2°C+2.2°F

Then

-3°C27°F

Now

-1°C30°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
26 cm10 in
13 March 1993
Snowiest winter
2.2 m86 in
1959/60
Leanest winter
96 cm38 in
2023/24
Deepest snow on the ground
98 cm39 in
14 March 1993
Coldest night at the summit
-30°C-23°F
26 February 1990
Strongest gust at the summit
118 km/h73 mph
25 November 1950

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