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Number of days available for climatic review

Paramètrejanfevmaravrmaijuin
Tmax125511471271122912681229
Tmin125511501270122912711229
Durée d’insolation248254248240248300
Précipitation775701776751775750
Humidité/Visibilité184167184177183178


Paramètrejuilletaoûtsepoctnovdéc
Tmax126712681252129312551301
Tmin126712721257129512581299
Durée d’insolation248310300310240279
Précipitation777779782804780806
Humidité/Visibilité183183206209205214


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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