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Europe

Yershov (111m)





Number of days available for climatic review

ParameterJanFebMarAprMayJun
Tmax710640712713743718
Tmin710641710711743716
Duration of sunshine000000
Precipitation713644713716744720
Humidity/Visibility123111122143153148


ParameterJulAugSepOctNovDec
Tmax741739717733716739
Tmin741739715733715741
Duration of sunshine000000
Precipitation745747721741721155
Humidity/Visibility153151147149147154


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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