76 winters, day by day
Alyeska Resort, United States. Every ski winter from 1950/51 to 2025/26.
Alyeska Resort, United States. Every ski winter from 1950/51 to 2025/26.
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…
Climate change
Average winter temperature at the summit
Faster warming than 37% of 736 resorts
+2.0°C+3.5°F
The trend: from -9°C15°F to -7°C19°F. Point at a winter to read it.
Snowfall at the summit
+8%
The trend: from 10.1 m398 in to 10.9 m428 in. Point at a winter to read it.
Powder days at the summit
+2 days
The trend: from 36 to 39. Point at a winter to read it.
Days with a base at the summit
−1 day
The trend: from 182 to 180. Point at a winter to read it.
Days with fresh snow at the summit
+8 days
The trend: from 98 to 106. 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 1950/51–1979/80Now 1996/97–2025/26
- Snowfall at the summit+6%
Then
10.0 m395 in
Now
10.6 m417 in
- Snowfall in the village−10%
Then
4.3 m170 in
Now
3.9 m152 in
- Powder days at the summit+2 days
Then
36
Now
38
- Days with a base at the summit−1 day
Then
181
Now
181
- Average temperature at the summit+1.3°C+2.3°F
Then
-9°C16°F
Now
-8°C18°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
- 1950s1950/517.9 m313 in1951/528.8 m348 in1952/5315.5 m608 in1953/547.8 m307 in1954/5511.2 m442 in1955/567.2 m282 in1956/577.0 m277 in1957/589.6 m378 in1958/5910.3 m406 in1959/6012.6 m496 in
- 1960s1960/6112.2 m479 in1961/628.2 m324 in1962/639.7 m383 in1963/6411.5 m452 in1964/659.6 m380 in1965/667.6 m299 in1966/675.4 m212 in1967/6810.6 m418 in1968/698.1 m320 in1969/7015.5 m610 in
- 1970s1970/7110.1 m397 in1971/725.5 m217 in1972/738.8 m346 in1973/747.8 m307 in1974/7511.1 m435 in1975/768.7 m343 in1976/7718.0 m709 in1977/7810.0 m392 in1978/798.3 m327 in1979/8016.1 m633 in
- 1980s1980/8114.1 m556 in1981/828.0 m313 in1982/8312.2 m481 in1983/8410.7 m420 in1984/8511.1 m439 in1985/8611.3 m443 in1986/8714.1 m553 in1987/8815.0 m591 in1988/898.0 m314 in1989/9010.7 m421 in
- 1990s1990/918.4 m330 in1991/9212.4 m489 in1992/9311.8 m464 in1993/9411.5 m451 in1994/9512.1 m476 in1995/966.7 m265 in1996/978.6 m338 in1997/9814.1 m555 in1998/999.4 m371 in1999/0012.2 m480 in
- 2000s2000/0116.6 m653 in2001/029.8 m386 in2002/039.8 m386 in2003/0411.1 m436 in2004/0511.4 m447 in2005/0610.6 m419 in2006/078.4 m331 in2007/0813.5 m531 in2008/098.2 m324 in2009/1013.0 m511 in
- 2010s2010/118.4 m330 in2011/1210.1 m397 in2012/139.7 m382 in2013/147.6 m300 in2014/1511.2 m442 in2015/1615.3 m603 in2016/178.0 m313 in2017/189.1 m359 in2018/1911.8 m465 in2019/208.4 m329 in
- 2020s2020/2110.4 m409 in2021/2210.0 m392 in2022/238.6 m340 in2023/2410.9 m429 in2024/2514.2 m557 in2025/267.8 m306 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