76 winters, day by day
Arizona Snowbowl, United States. Every ski winter from 1950/51 to 2025/26.
Arizona Snowbowl, 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 60% of 736 resorts
+2.3°C+4.1°F
The trend: from -7°C19°F to -5°C23°F. Point at a winter to read it.
Snowfall at the summit
−16%
The trend: from 1.4 m57 in to 1.2 m48 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 3 to 3. Point at a winter to read it.
Days with a base at the summit
−13 days
The trend: from 25 to 11. Point at a winter to read it.
Days with fresh snow at the summit
−4 days
The trend: from 29 to 25. 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−14%
Then
1.4 m54 in
Now
1.2 m47 in
- Snowfall in the village−14%
Then
1.4 m53 in
Now
1.2 m46 in
- Powder days at the summit±0 days
Then
3
Now
3
- Days with a base at the summit−9 days
Then
22
Now
13
- Average temperature at the summit+1.4°C+2.6°F
Then
-7°C20°F
Now
-5°C22°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
- 1950s1950/511.0 m40 in1951/522.4 m95 in1952/531.2 m46 in1953/541.1 m42 in1954/5579 cm31 in1955/561.0 m41 in1956/571.2 m47 in1957/581.3 m52 in1958/5968 cm27 in1959/601.5 m57 in
- 1960s1960/611.2 m46 in1961/621.7 m69 in1962/6381 cm32 in1963/641.3 m53 in1964/651.9 m73 in1965/661.3 m49 in1966/6761 cm24 in1967/682.0 m79 in1968/691.5 m61 in1969/701.1 m43 in
- 1970s1970/7199 cm39 in1971/7244 cm17 in1972/732.7 m107 in1973/741.1 m41 in1974/751.9 m73 in1975/761.7 m65 in1976/771.0 m40 in1977/781.7 m68 in1978/792.1 m82 in1979/802.1 m81 in
- 1980s1980/811.0 m40 in1981/821.9 m73 in1982/832.5 m98 in1983/8465 cm26 in1984/852.1 m83 in1985/861.6 m61 in1986/871.6 m64 in1987/881.5 m60 in1988/891.3 m50 in1989/901.3 m52 in
- 1990s1990/912.0 m80 in1991/921.5 m58 in1992/932.2 m85 in1993/941.3 m50 in1994/951.5 m59 in1995/9653 cm21 in1996/971.5 m58 in1997/981.9 m76 in1998/991.0 m41 in1999/0092 cm36 in
- 2000s2000/011.4 m57 in2001/0255 cm22 in2002/031.0 m40 in2003/0484 cm33 in2004/052.0 m77 in2005/0674 cm29 in2006/0771 cm28 in2007/081.5 m61 in2008/091.4 m56 in2009/102.0 m78 in
- 2010s2010/111.3 m49 in2011/121.1 m44 in2012/1397 cm38 in2013/1499 cm39 in2014/1597 cm38 in2015/161.0 m41 in2016/171.4 m55 in2017/1839 cm15 in2018/191.4 m54 in2019/201.1 m44 in
- 2020s2020/211.1 m44 in2021/2293 cm37 in2022/232.4 m93 in2023/241.5 m59 in2024/2583 cm33 in2025/2656 cm22 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