Monde

Europe

Aéroport Konrad-Adenauer de Cologne-Bonn





Number of days available for climatic review

Paramètrejanfevmaravrmaijuin
Tmax10159201044101510531019
Tmin10189251044101610541016
Durée d’insolation625449373842
Précipitation527476527510527510
Humidité/Visibilité000000


Paramètrejuilletaoûtsepoctnovdéc
Tmax102710241001103610161025
Tmin103510431015103610111025
Durée d’insolation212942443053
Précipitation527527510527510527
Humidité/Visibilité000000


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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