76 winters, day by day
Tsaghkadzor Ski resort, Armenia. Every ski winter from 1950/51 to 2025/26.
Tsaghkadzor Ski resort, Armenia. 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 8% of 736 resorts
+1.2°C+2.2°F
The trend: from -8°C18°F to -7°C20°F. Point at a winter to read it.
Snowfall at the summit
+5%
The trend: from 2.4 m93 in to 2.5 m97 in. Point at a winter to read it.
Powder days at the summit
+2 days
The trend: from 4 to 5. Point at a winter to read it.
Days with a base at the summit
−5 days
The trend: from 101 to 96. Point at a winter to read it.
Days with fresh snow at the summit
−4 days
The trend: from 53 to 49. 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
2.4 m94 in
Now
2.4 m96 in
- Snowfall in the village+2%
Then
2.4 m95 in
Now
2.5 m97 in
- Powder days at the summit+1 day
Then
4
Now
5
- Days with a base at the summit−5 days
Then
99
Now
94
- Average temperature at the summit+0.9°C+1.5°F
Then
-8°C18°F
Now
-7°C20°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
- 1950s1950/511.5 m60 in1951/522.4 m94 in1952/532.4 m93 in1953/543.4 m134 in1954/551.8 m70 in1955/563.4 m135 in1956/572.3 m91 in1957/582.0 m79 in1958/591.9 m74 in1959/602.4 m94 in
- 1960s1960/611.7 m66 in1961/622.8 m111 in1962/633.3 m131 in1963/642.6 m101 in1964/652.8 m109 in1965/661.8 m71 in1966/672.4 m94 in1967/682.8 m110 in1968/693.3 m131 in1969/701.8 m70 in
- 1970s1970/712.0 m77 in1971/721.8 m72 in1972/732.6 m102 in1973/742.6 m104 in1974/751.7 m69 in1975/762.4 m95 in1976/772.2 m85 in1977/783.2 m124 in1978/792.1 m84 in1979/802.3 m92 in
- 1980s1980/812.5 m97 in1981/822.5 m100 in1982/832.0 m80 in1983/842.2 m88 in1984/852.3 m89 in1985/861.7 m67 in1986/873.7 m145 in1987/882.8 m111 in1988/891.3 m52 in1989/902.4 m95 in
- 1990s1990/912.3 m91 in1991/922.4 m93 in1992/933.1 m122 in1993/942.1 m81 in1994/952.5 m96 in1995/962.3 m91 in1996/972.4 m93 in1997/981.8 m71 in1998/991.8 m71 in1999/002.0 m78 in
- 2000s2000/011.5 m58 in2001/023.1 m122 in2002/033.0 m118 in2003/042.7 m106 in2004/052.6 m104 in2005/062.7 m104 in2006/073.4 m132 in2007/081.9 m75 in2008/092.6 m103 in2009/103.0 m117 in
- 2010s2010/112.8 m111 in2011/122.1 m84 in2012/132.8 m109 in2013/141.6 m64 in2014/153.3 m129 in2015/162.4 m93 in2016/172.3 m91 in2017/181.8 m70 in2018/193.0 m119 in2019/202.7 m107 in
- 2020s2020/212.3 m89 in2021/222.3 m90 in2022/231.4 m54 in2023/242.7 m107 in2024/252.0 m77 in2025/263.7 m145 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