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Piacenza (138m)





Number of days available for climatic review

ParametroGenFebMarAprMagGiu
Tmax488439494475490474
Tmin489442486473492469
Durata del soleggiamento170155171162175163
Precipitazione189169186181186180
Umidità/Visibilità172154172173175167


ParametroLugAgoSetOttNovDic
Tmax483481498514500517
Tmin481479497511504513
Durata del soleggiamento167162190194193195
Precipitazione186190212215210220
Umidità/Visibilità167162199199190197


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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