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Β. Αμερική

Minneapolis (255m)





Number of days available for climatic review

ΠαράμετροςΙανΦεβ ΜαρΑπρΙουνΙουλ
Tmax218719782191212421772119
Tmin216119612191212521772119
Διάρκεια Ηλιοφάνειας93869390155150
Υετός189172187181186180
Υγρασία/Ορατότητα 175155180177180177


ΠαράμετροςΑυγΣεπΟκτΝοεΔεκ(null)
Tmax218321812146221521522228
Tmin219021842152222521582202
Διάρκεια Ηλιοφάνειας1551241201249093
Υετός187190210215210217
Υγρασία/Ορατότητα 170168201208206207


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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