World

North America

Thompson Airport (216m)





Number of days available for climatic review

ParameterJanFebMarAprMayJun
Tmax185168183178184178
Tmin184167182178183176
Duration of sunshine180162177164167168
Precipitation186170187181186180
Humidity/Visibility185167183178184178


ParameterJulAugSepOctNovDec
Tmax180185207211208211
Tmin183180208208210217
Duration of sunshine179175193173174181
Precipitation186188210215210217
Humidity/Visibility183181205208206214


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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