76 winters, day by day
OC Bjelašnica ZOI '84, Bosnia and Herzegovina. Every ski winter from 1950/51 to 2025/26.
OC Bjelašnica ZOI '84, Bosnia and Herzegovina. 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 33% of 736 resorts
+1.9°C+3.4°F
The trend: from -6°C21°F to -4°C24°F. Point at a winter to read it.
Snowfall at the summit
−14%
The trend: from 2.2 m87 in to 1.9 m74 in. Point at a winter to read it.
Powder days at the summit
−1 day
The trend: from 5 to 4. Point at a winter to read it.
Days with a base at the summit
−43 days
The trend: from 83 to 40. Point at a winter to read it.
Days with fresh snow at the summit
−8 days
The trend: from 47 to 38. 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−7%
Then
2.1 m83 in
Now
2.0 m77 in
- Snowfall in the village−7%
Then
2.1 m83 in
Now
2.0 m77 in
- Powder days at the summit±0 days
Then
4
Now
4
- Days with a base at the summit−23 days
Then
74
Now
51
- Average temperature at the summit+1.0°C+1.8°F
Then
-6°C22°F
Now
-5°C24°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
- 1950s1950/511.6 m61 in1951/522.0 m77 in1952/532.9 m112 in1953/542.1 m82 in1954/552.5 m99 in1955/562.6 m101 in1956/571.8 m69 in1957/582.3 m89 in1958/591.1 m44 in1959/601.6 m61 in
- 1960s1960/611.2 m48 in1961/622.8 m112 in1962/632.7 m108 in1963/641.2 m46 in1964/652.0 m80 in1965/662.4 m96 in1966/672.6 m104 in1967/682.2 m86 in1968/692.7 m105 in1969/703.7 m146 in
- 1970s1970/712.3 m92 in1971/721.2 m48 in1972/732.4 m95 in1973/741.8 m70 in1974/751.7 m68 in1975/761.9 m76 in1976/772.1 m84 in1977/782.5 m99 in1978/791.1 m43 in1979/802.1 m84 in
- 1980s1980/812.8 m112 in1981/822.4 m94 in1982/832.0 m77 in1983/842.6 m102 in1984/852.0 m78 in1985/862.2 m87 in1986/872.1 m84 in1987/882.4 m94 in1988/891.4 m57 in1989/901.1 m43 in
- 1990s1990/911.6 m62 in1991/922.0 m80 in1992/931.7 m66 in1993/942.1 m83 in1994/952.3 m92 in1995/962.6 m102 in1996/972.6 m102 in1997/981.4 m55 in1998/992.5 m98 in1999/002.4 m93 in
- 2000s2000/011.4 m55 in2001/021.9 m73 in2002/031.6 m64 in2003/041.7 m66 in2004/053.7 m147 in2005/062.6 m103 in2006/071.6 m62 in2007/081.7 m68 in2008/092.2 m85 in2009/102.5 m98 in
- 2010s2010/111.7 m65 in2011/122.2 m87 in2012/133.0 m116 in2013/141.0 m41 in2014/152.4 m94 in2015/161.5 m61 in2016/171.9 m76 in2017/182.4 m93 in2018/192.2 m85 in2019/201.2 m46 in
- 2020s2020/212.1 m81 in2021/222.0 m79 in2022/231.4 m57 in2023/2488 cm35 in2024/251.5 m61 in2025/261.9 m75 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