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Number of days available for climatic review

ΠαράμετροςΙανΦεβ ΜαρΑπρΙουνΙουλ
Tmax737658739715732713
Tmin734667731713737709
Διάρκεια Ηλιοφάνειας281374343333349302
Υετός188169187181186180
Υγρασία/Ορατότητα 175161178174174172


ΠαράμετροςΑυγΣεπΟκτΝοεΔεκ(null)
Tmax736736735761736758
Tmin736736742756738758
Διάρκεια Ηλιοφάνειας377471485435358362
Υετός186190210215210217
Υγρασία/Ορατότητα 175178198199191199


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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