Vitosha, 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 26% of 736 resorts
+1.8°C+3.2°F
The trend: from -7°C19°F to -6°C22°F. Point at a winter to read it.
Snowfall at the summit
−7%
The trend: from 1.0 m40 in to 94 cm37 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 1 to 1. Point at a winter to read it.
Days with a base at the summit
−14 days
The trend: from 19 to 5. Point at a winter to read it.
Days with fresh snow at the summit
−6 days
The trend: from 29 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−3%
Then
97.4 cm38 in
Now
94.6 cm37 in
- Snowfall in the village−2%
Then
96.633 cm38 in
Now
94.367 cm37 in
- Powder days at the summit±0 days
Then
1
Now
1
- Days with a base at the summit−8 days
Then
16
Now
8
- Average temperature at the summit+1.0°C+1.8°F
Then
-7°C19°F
Now
-6°C21°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
- 1950s1950/5175 cm30 in1951/5286 cm34 in1952/5380 cm31 in1953/541.2 m49 in1954/551.3 m52 in1955/561.6 m63 in1956/5780 cm31 in1957/5893 cm37 in1958/5953 cm21 in1959/6046 cm18 in
- 1960s1960/6158 cm23 in1961/621.1 m44 in1962/631.2 m48 in1963/6457 cm22 in1964/6596 cm38 in1965/6696 cm38 in1966/671.1 m44 in1967/6895 cm37 in1968/691.8 m70 in1969/701.2 m47 in
- 1970s1970/711.0 m41 in1971/7244 cm17 in1972/731.5 m58 in1973/741.3 m49 in1974/751.2 m45 in1975/7676 cm30 in1976/7776 cm30 in1977/781.0 m39 in1978/7971 cm28 in1979/8093 cm37 in
- 1980s1980/811.1 m43 in1981/821.7 m67 in1982/8376 cm30 in1983/841.4 m55 in1984/8588 cm35 in1985/861.2 m45 in1986/871.1 m43 in1987/881.1 m41 in1988/8989 cm35 in1989/9066 cm26 in
- 1990s1990/9196 cm38 in1991/9293 cm37 in1992/9379 cm31 in1993/9471 cm28 in1994/951.2 m45 in1995/961.5 m61 in1996/9795 cm37 in1997/981.0 m41 in1998/991.3 m52 in1999/001.2 m48 in
- 2000s2000/0168 cm27 in2001/021.1 m45 in2002/0380 cm31 in2003/0477 cm30 in2004/051.0 m39 in2005/061.1 m44 in2006/0774 cm29 in2007/0889 cm35 in2008/091.2 m47 in2009/1097 cm38 in
- 2010s2010/1162 cm24 in2011/121.4 m54 in2012/1388 cm35 in2013/1456 cm22 in2014/151.2 m46 in2015/1660 cm24 in2016/1797 cm38 in2017/181.2 m48 in2018/1981 cm32 in2019/201.3 m49 in
- 2020s2020/211.2 m46 in2021/221.1 m44 in2022/2354 cm21 in2023/2477 cm30 in2024/2588 cm35 in2025/2660 cm24 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