Cloud Cover

SWITZERLAND
(lat. 45N-47.5N, long. 6E-10E)

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Monthly values

Fig 1 - Monthly values

Notes:
1 - Year label corresponds to January of that year

 
 

12-month running averages

Fig 2 - Running 12-month averages.

Notes:
1 - Data is average of current month and 11 previous months.
2 - Year label corresponds to December of that year (hence the annual average cloud cover).

 
 

Total cloud

Fig 3 - Monthly and running 12-month averages.

Notes:
1 - Total is not the sum of low, mid and upper level cloud. Measurement is different and cloud may be multi-level.
 
 

December cloud

Fig 4 - December cloud cover

Notes:
1 - This is cloud cover averages for December to consider the possible impact on early snowfalls.
 
 

December-March cloud

Fig 4 - Average January-April cloud cover

Notes:
1 - This is cloud cover averages for December to March (inclusive) to consider the possible relationship to snow cover.
 
 

April-September cloud

Fig 4 - Average April-September (spring-summer) cloud cover

Notes:
1 - This is cloud cover averages for April to September (inclusive) to consider the relationship to Spring and Summer temperature.