Monde

France

Le Mans/Arnage





Number of days available for climatic review

Paramètrejanfevmaravrmaijuin
Tmax786712798774799760
Tmin793718794777804774
Durée d’insolation131121131125137129
Précipitation744672748721744720
Humidité/Visibilité144132143128128127


Paramètrejuilletaoûtsepoctnovdéc
Tmax790815794819795792
Tmin795813796816798797
Durée d’insolation13615315514395123
Précipitation749774754773755754
Humidité/Visibilité128141148159142138


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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