Monde

Afrique

Aïn Sefra (1059m)





Number of days available for climatic review

Paramètrejanfevmaravrmaijuin
Tmax94768510411184
Tmin96778310111392
Durée d’insolation217140155210217210
Précipitation136122148167168132
Humidité/Visibilité83768610010786


Paramètrejuilletaoûtsepoctnovdéc
Tmax857583715460
Tmin857881695261
Durée d’insolation186186240248240186
Précipitation149161159156132130
Humidité/Visibilité971021021018290


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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