Monde

Afrique

Alger/Dar-el-Beida (Aéroport)





Number of days available for climatic review

Paramètrejanfevmaravrmaijuin
Tmax590553614589606593
Tmin596554614594611594
Durée d’insolation186254279270310270
Précipitation188169189184186184
Humidité/Visibilité176163179174179176


Paramètrejuilletaoûtsepoctnovdéc
Tmax603602607627615608
Tmin604601615635618609
Durée d’insolation248279240310270248
Précipitation186192216216210197
Humidité/Visibilité174169195201197182


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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