Monde

Europe

Oulianovsk (129m)





Number of days available for climatic review

Paramètrejanfevmaravrmaijuin
Tmax120107119141151148
Tmin121108120142149142
Durée d’insolation000000
Précipitation124112124146157150
Humidité/Visibilité123109122143152148


Paramètrejuilletaoûtsepoctnovdéc
Tmax152152147145146150
Tmin147149147146144152
Durée d’insolation000000
Précipitation157160153152153155
Humidité/Visibilité152151147148147153


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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Oulianovsk

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