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Asia

Irtyshsk





Number of days available for climatic review

Parámetroenefebmarabrmayjun
Tmáx868088101121114
Tmín888292105123118
Duración del tiempo soleado000000
Precipitación948795107123120
Humedad/Visibilidad908290104121118


Parámetrojulagosepoctnovdic
Tmáx113110115117117119
Tmín113110120117116122
Duración del tiempo soleado000000
Precipitación127126120122122124
Humedad/Visibilidad116110118117117123


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.