World

North America

Red Bluff Airport (108m)





Number of days available for climatic review

ParameterJanFebMarAprMayJun
Tmax196517821972194219971940
Tmin197117851977193819951946
Duration of sunshine000000
Precipitation186170187181186180
Humidity/Visibility179163181173177175


ParameterJulAugSepOctNovDec
Tmax199319981926198919352001
Tmin200220001939199419392006
Duration of sunshine000000
Precipitation189190211218211219
Humidity/Visibility176179198194190208


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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Red Bluff

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