Coronet Peak, 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 8% of 736 resorts
+1.2°C+2.1°F
The trend: from -5°C23°F to -4°C25°F. Point at a winter to read it.
Snowfall at the summit
+19%
The trend: from 1.4 m54 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 4. Point at a winter to read it.
Days with a base at the summit
−41 days
The trend: from 82 to 42. Point at a winter to read it.
Days with fresh snow at the summit
−2 days
The trend: from 36 to 34. 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+9%
Then
1.4 m54 in
Now
1.5 m59 in
- Snowfall in the village+18%
Then
1.2 m48 in
Now
1.4 m56 in
- Powder days at the summit+1 day
Then
2
Now
3
- Days with a base at the summit−23 days
Then
71
Now
48
- Average temperature at the summit+0.7°C+1.2°F
Then
-5°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
- 1950s195085 cm33 in19511.0 m40 in19521.1 m43 in19532.3 m89 in19541.8 m72 in19551.3 m49 in19561.0 m40 in19571.3 m50 in19581.2 m45 in19591.4 m56 in
- 1960s19601.2 m46 in19611.5 m61 in19621.5 m61 in19631.2 m48 in19641.3 m50 in19651.7 m69 in196691 cm36 in196786 cm34 in19682.5 m96 in19691.5 m60 in
- 1970s19702.2 m85 in19711.4 m55 in19721.6 m62 in19731.5 m57 in19741.6 m62 in19751.1 m45 in19761.3 m50 in19771.3 m50 in19781.4 m53 in197986 cm34 in
- 1980s19802.3 m90 in19811.5 m60 in19821.6 m62 in19832.3 m91 in19841.2 m48 in19851.0 m41 in19861.8 m71 in19871.5 m58 in19882.1 m81 in198961 cm24 in
- 1990s19901.1 m44 in19912.1 m84 in19922.5 m99 in19931.6 m62 in19942.8 m109 in19952.2 m85 in19961.1 m42 in19971.2 m48 in19981.5 m59 in19991.2 m47 in
- 2000s20001.7 m65 in200168 cm27 in20021.7 m66 in20031.9 m76 in20042.2 m87 in200590 cm35 in20061.2 m46 in20072.2 m86 in20081.5 m59 in20091.6 m62 in
- 2010s20102.0 m77 in20111.8 m72 in20121.4 m56 in20131.3 m50 in20141.2 m46 in20152.2 m85 in20161.8 m72 in20171.0 m41 in20181.3 m52 in20191.4 m54 in
- 2020s202095 cm37 in20211.2 m47 in20221.5 m59 in20231.6 m62 in20242.1 m82 in20252.1 m82 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