World

North America

Fort Simpson Airport (169m)





Number of days available for climatic review

ParameterJanFebMarAprMayJun
Tmax185168184180185179
Tmin186169185179186177
Duration of sunshine179161178165175166
Precipitation186168187181186180
Humidity/Visibility180166183178184179


ParameterJulAugSepOctNovDec
Tmax180186207213209215
Tmin186188209213210216
Duration of sunshine172177193203199204
Precipitation187190210215210217
Humidity/Visibility184185206208207214


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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Fort Simpson

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