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USA

Eugene Airport (114m)





Number of days available for climatic review

ParameterJanFebMarAprMayJun
Tmax209118892100203120812023
Tmin209518912098203220832029
Duration of sunshine000000
Precipitation186171187181186180
Humidity/Visibility181163182174176170


ParameterJulAugSepOctNovDec
Tmax209020962049212220652127
Tmin210020942061212220692132
Duration of sunshine000000
Precipitation186190210215210217
Humidity/Visibility173175195200201212


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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Eugene

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