76 winters, day by day
Bromont Montagne d'Expérience, Canada. Every ski winter from 1950/51 to 2025/26.
Bromont Montagne d'Expérience, Canada. 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 25% of 736 resorts
+1.7°C+3.1°F
The trend: from -6°C20°F to -5°C23°F. Point at a winter to read it.
Snowfall at the summit
−11%
The trend: from 1.9 m73 in to 1.6 m65 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 3 to 2. Point at a winter to read it.
Days with a base at the summit
−42 days
The trend: from 92 to 51. Point at a winter to read it.
Days with fresh snow at the summit
−3 days
The trend: from 45 to 43. 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−8%
Then
1.8 m73 in
Now
1.7 m67 in
- Snowfall in the village−8%
Then
1.9 m73 in
Now
1.7 m68 in
- Powder days at the summit±0 days
Then
3
Now
2
- Days with a base at the summit−26 days
Then
88
Now
62
- Average temperature at the summit+1.2°C+2.2°F
Then
-6°C21°F
Now
-5°C23°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
- 1950s1950/511.9 m74 in1951/522.0 m78 in1952/531.7 m67 in1953/541.9 m74 in1954/552.1 m81 in1955/561.9 m75 in1956/571.3 m52 in1957/582.3 m91 in1958/592.1 m83 in1959/601.9 m76 in
- 1960s1960/611.6 m63 in1961/621.9 m76 in1962/632.0 m80 in1963/641.1 m42 in1964/651.2 m45 in1965/661.6 m62 in1966/671.4 m55 in1967/681.4 m56 in1968/692.1 m84 in1969/702.1 m82 in
- 1970s1970/712.4 m94 in1971/722.2 m85 in1972/732.1 m81 in1973/742.1 m84 in1974/752.0 m80 in1975/762.4 m96 in1976/771.9 m74 in1977/782.0 m78 in1978/791.8 m71 in1979/8091 cm36 in
- 1980s1980/811.3 m52 in1981/822.1 m83 in1982/831.3 m52 in1983/841.8 m72 in1984/851.8 m71 in1985/861.7 m67 in1986/871.6 m61 in1987/881.4 m56 in1988/891.7 m65 in1989/901.6 m64 in
- 1990s1990/911.4 m57 in1991/921.6 m63 in1992/931.8 m72 in1993/942.2 m85 in1994/951.3 m51 in1995/961.8 m71 in1996/972.1 m84 in1997/981.8 m72 in1998/991.4 m56 in1999/001.9 m74 in
- 2000s2000/012.0 m80 in2001/021.5 m59 in2002/031.6 m65 in2003/041.8 m69 in2004/051.4 m54 in2005/061.4 m54 in2006/071.9 m74 in2007/082.6 m102 in2008/091.5 m59 in2009/101.5 m57 in
- 2010s2010/111.9 m76 in2011/121.2 m46 in2012/131.6 m62 in2013/141.7 m66 in2014/151.9 m73 in2015/161.3 m52 in2016/172.0 m78 in2017/181.8 m72 in2018/192.1 m81 in2019/201.7 m67 in
- 2020s2020/211.4 m56 in2021/221.5 m60 in2022/231.7 m67 in2023/241.5 m58 in2024/251.8 m72 in2025/261.7 m67 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