Borovets, Bulgaria. 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 19% of 736 resorts
+1.6°C+2.8°F
The trend: from -7°C20°F to -5°C23°F. Point at a winter to read it.
Snowfall at the summit
−6%
The trend: from 1.7 m65 in to 1.6 m61 in. Point at a winter to read it.
Powder days at the summit
+1 day
The trend: from 2 to 3. Point at a winter to read it.
Days with a base at the summit
−34 days
The trend: from 97 to 63. Point at a winter to read it.
Days with a base in the village
−11 days
The trend: from 34 to 23. 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−2%
Then
1.6 m63 in
Now
1.6 m61 in
- Powder days at the summit+1 day
Then
2
Now
3
- Days with a base at the summit−17 days
Then
87
Now
70
- Days with a base in the village−1 day
Then
25
Now
24
- Average temperature at the summit+0.9°C+1.6°F
Then
-6°C21°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
- 1950s1950/511.4 m57 in1951/521.3 m50 in1952/531.6 m61 in1953/541.8 m72 in1954/552.1 m81 in1955/562.5 m98 in1956/571.3 m51 in1957/581.5 m58 in1958/5999 cm39 in1959/6095 cm37 in
- 1960s1960/6197 cm38 in1961/621.9 m73 in1962/631.9 m76 in1963/641.0 m40 in1964/651.5 m60 in1965/661.6 m61 in1966/671.8 m71 in1967/681.4 m55 in1968/692.7 m107 in1969/702.0 m79 in
- 1970s1970/711.9 m74 in1971/721.1 m41 in1972/732.1 m81 in1973/741.9 m75 in1974/751.9 m74 in1975/761.4 m53 in1976/771.3 m50 in1977/781.6 m62 in1978/791.2 m47 in1979/801.5 m58 in
- 1980s1980/811.7 m67 in1981/822.7 m107 in1982/831.1 m44 in1983/842.4 m94 in1984/851.6 m64 in1985/861.7 m67 in1986/871.8 m69 in1987/881.9 m74 in1988/891.4 m55 in1989/9093 cm37 in
- 1990s1990/911.7 m68 in1991/921.3 m51 in1992/931.2 m48 in1993/941.2 m49 in1994/951.8 m72 in1995/962.4 m94 in1996/971.8 m69 in1997/981.8 m69 in1998/992.0 m78 in1999/001.6 m63 in
- 2000s2000/011.2 m46 in2001/021.8 m71 in2002/031.7 m67 in2003/041.3 m52 in2004/051.6 m63 in2005/062.0 m78 in2006/071.4 m53 in2007/081.5 m58 in2008/091.9 m75 in2009/101.7 m67 in
- 2010s2010/111.0 m40 in2011/121.9 m73 in2012/131.7 m65 in2013/141.2 m46 in2014/152.0 m79 in2015/161.1 m44 in2016/171.4 m56 in2017/181.8 m69 in2018/191.3 m50 in2019/202.0 m77 in
- 2020s2020/211.7 m66 in2021/221.9 m74 in2022/231.1 m41 in2023/241.2 m46 in2024/251.4 m57 in2025/261.3 m49 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