świat

Europa

Düsseldorf Port lotniczy





Number of days available for climatic review

parametrstylutmarkwimajcze
Tmax121310981208116912081168
Tmin121510971207116912091168
słońce (godz.)990895990958991957
opad188168187181186180
wilgotność / widzialność185167185179185179


parametrlipsiewrzpaźlisgru
Tmax123812371198123011941241
Tmin123712401199123211981241
słońce (godz.)102110261019104610171055
opad188190210215210217
wilgotność / widzialność184184207210207214


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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zdjęcie satelitarne

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