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Poitiers/Biard (120m)





Number of days available for climatic review

ΠαράμετροςΙανΦεβ ΜαρΑπρΙουνΙουλ
Tmax138112461390134413901331
Tmin138312501387134513931344
Διάρκεια Ηλιοφάνειας135123137128139134
Υετός155141155151155150
Υγρασία/Ορατότητα 144132149140149146


ΠαράμετροςΑυγΣεπΟκτΝοεΔεκ(null)
Tmax138314081367140513691383
Tmin138514031367140113651386
Διάρκεια Ηλιοφάνειας142154161140108139
Υετός160186180184179159
Υγρασία/Ορατότητα 147161166160149148


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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