Monde

Europe

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Number of days available for climatic review

Paramètrejanfevmaravrmaijuin
Tmax700632706678702678
Tmin701635703675703680
Durée d’insolation6278938810999
Précipitation684616682661688660
Humidité/Visibilité109100112103112107


Paramètrejuilletaoûtsepoctnovdéc
Tmax703732697698678703
Tmin708729694695684702
Durée d’insolation111133112915546
Précipitation682715692705660684
Humidité/Visibilité116137134126110115


Climate data is usually derived from meteorological data of a certain number of years. The actual number of recorded years may vary from only a couple to 50 years or more. The quality of climate data depends on the number of available recorded years. Fewer years means less reliable data. The standart-period for reliable climate data is 30 years. For example, the mean monthly temperature for, let's say January, would ideally calculated from a total number of 930 recorded January-days. However, the usual number of recorded days is much smaller. The table above shows the actual number of recorded days for every parameter measured.

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