76 winters, day by day
Wanfeng Tonghua Ski Resort, China. Every ski winter from 1950/51 to 2025/26.
Wanfeng Tonghua Ski Resort, China. 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 99% of 736 resorts
+3.6°C+6.5°F
The trend: from -11°C12°F to -8°C18°F. Point at a winter to read it.
Snowfall at the summit
−24%
The trend: from 98 cm39 in to 75 cm30 in. Point at a winter to read it.
Powder days at the summit
±0 days
The trend: from 1 to 0. Point at a winter to read it.
Days with a base at the summit
−41 days
The trend: from 55 to 14. Point at a winter to read it.
Days with fresh snow at the summit
−7 days
The trend: from 28 to 21. 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−16%
Then
94.333 cm37 in
Now
79.433 cm31 in
- Snowfall in the village−22%
Then
65.7 cm26 in
Now
51.4 cm20 in
- Powder days at the summit±0 days
Then
1
Now
1
- Days with a base at the summit−26 days
Then
48
Now
22
- Average temperature at the summit+2.2°C+4.0°F
Then
-11°C13°F
Now
-8°C17°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
- 1950s1950/5196 cm38 in1951/5277 cm30 in1952/5363 cm25 in1953/5477 cm30 in1954/5576 cm30 in1955/5667 cm26 in1956/571.2 m46 in1957/581.0 m40 in1958/5966 cm26 in1959/601.2 m47 in
- 1960s1960/6185 cm33 in1961/6299 cm39 in1962/6381 cm32 in1963/641.2 m48 in1964/651.1 m45 in1965/661.1 m43 in1966/6794 cm37 in1967/6870 cm28 in1968/691.1 m45 in1969/7090 cm35 in
- 1970s1970/711.0 m40 in1971/721.2 m46 in1972/731.3 m53 in1973/7463 cm25 in1974/7573 cm29 in1975/761.1 m41 in1976/7773 cm29 in1977/781.1 m42 in1978/791.3 m52 in1979/8088 cm35 in
- 1980s1980/8193 cm37 in1981/8251 cm20 in1982/8397 cm38 in1983/8471 cm28 in1984/8590 cm35 in1985/8694 cm37 in1986/871.3 m52 in1987/8891 cm36 in1988/8955 cm22 in1989/9080 cm31 in
- 1990s1990/9186 cm34 in1991/9287 cm34 in1992/9392 cm36 in1993/9493 cm37 in1994/9565 cm26 in1995/9668 cm27 in1996/9790 cm35 in1997/9857 cm22 in1998/991.2 m46 in1999/001.1 m42 in
- 2000s2000/011.1 m42 in2001/0255 cm22 in2002/0360 cm24 in2003/041.0 m40 in2004/0580 cm31 in2005/0699 cm39 in2006/071.0 m41 in2007/0852 cm20 in2008/0993 cm37 in2009/101.2 m49 in
- 2010s2010/1167 cm26 in2011/1262 cm24 in2012/131.2 m48 in2013/1477 cm30 in2014/1581 cm32 in2015/1673 cm29 in2016/1776 cm30 in2017/1872 cm28 in2018/1937 cm15 in2019/201.0 m40 in
- 2020s2020/2148 cm19 in2021/2278 cm31 in2022/2344 cm17 in2023/2475 cm30 in2024/2564 cm25 in2025/2661 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