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Number of days available for climatic review

ΠαράμετροςΙανΦεβ ΜαρΑπρΙουνΙουλ
Tmax123611331251118412101188
Tmin123911351256118712131190
Διάρκεια Ηλιοφάνειας000000
Υετός818733830808834802
Υγρασία/Ορατότητα 139123129114122127


ΠαράμετροςΑυγΣεπΟκτΝοεΔεκ(null)
Tmax121912441203124712121226
Tmin122912541208125112221228
Διάρκεια Ηλιοφάνειας000000
Υετός839841829852823870
Υγρασία/Ορατότητα 115148156161160149


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.