Monde

Afrique

Bordj Bou Arreridj (930m)





Number of days available for climatic review

Paramètrejanfevmaravrmaijuin
Tmax977889998883
Tmin997886968478
Durée d’insolation186112186210155240
Précipitation146118141175169176
Humidité/Visibilité113102110126139135


Paramètrejuilletaoûtsepoctnovdéc
Tmax737786705461
Tmin747782675359
Durée d’insolation248217210217210186
Précipitation186166167161130138
Humidité/Visibilité134122131131105118


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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Bordj Bou Arreridj

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