76 winters, day by day
Ōhau Snow Fields, New Zealand. Every ski winter from 1950 to 2025.
Ōhau Snow Fields, New Zealand. 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.
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Climate change
Average winter temperature at the summit
Faster warming than 9% of 736 resorts
+1.3°C+2.3°F
The trend: from -5°C23°F to -3°C26°F. Point at a winter to read it.
Snowfall at the summit
+22%
The trend: from 1.3 m53 in to 1.6 m65 in. Point at a winter to read it.
Powder days at the summit
+2 days
The trend: from 2 to 3. Point at a winter to read it.
Days with a base at the summit
−32 days
The trend: from 74 to 42. Point at a winter to read it.
Days with fresh snow at the summit
−1 day
The trend: from 33 to 33. 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+7%
Then
1.4 m54 in
Now
1.5 m58 in
- Snowfall in the village+11%
Then
1.2 m48 in
Now
1.4 m54 in
- Powder days at the summit+1 day
Then
2
Now
3
- Days with a base at the summit−20 days
Then
65
Now
46
- Average temperature at the summit+0.7°C+1.3°F
Then
-4°C24°F
Now
-4°C25°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
- 1950s195087 cm34 in195156 cm22 in19521.2 m46 in19531.5 m58 in19541.5 m61 in19551.2 m47 in19561.2 m46 in19571.2 m49 in19581.0 m41 in19591.0 m41 in
- 1960s19601.2 m48 in19611.4 m54 in19621.5 m60 in19631.6 m63 in19641.3 m51 in19651.7 m65 in19661.0 m40 in196765 cm26 in19682.7 m107 in19691.2 m46 in
- 1970s19702.2 m86 in19711.5 m57 in19721.6 m61 in19731.4 m53 in19741.9 m74 in19751.5 m61 in19761.1 m45 in19771.6 m64 in19781.9 m73 in19791.2 m46 in
- 1980s19801.9 m74 in19811.5 m60 in19821.3 m52 in19832.4 m93 in19841.2 m47 in19851.3 m51 in19862.3 m92 in19871.4 m56 in19881.7 m67 in198981 cm32 in
- 1990s19901.1 m44 in19912.1 m84 in19922.4 m95 in19931.4 m54 in19942.5 m98 in19952.4 m93 in19961.3 m50 in19971.1 m41 in19981.5 m59 in19991.1 m44 in
- 2000s20001.8 m72 in200180 cm31 in20021.4 m57 in20032.0 m77 in20041.9 m74 in200563 cm25 in20061.6 m63 in20071.9 m75 in20081.8 m69 in20091.5 m57 in
- 2010s20101.7 m67 in20111.7 m66 in20121.7 m68 in20131.6 m63 in201496 cm38 in20151.9 m74 in20161.3 m51 in20171.6 m61 in201895 cm37 in20191.1 m43 in
- 2020s202095 cm37 in20211.2 m47 in20222.0 m77 in20231.6 m61 in20242.2 m87 in20251.9 m76 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