Κόσμος

Ευρώπη

Belfast/Harbour





Number of days available for climatic review

ΠαράμετροςΙανΦεβ ΜαρΑπρΙουνΙουλ
Tmax121109122119120119
Tmin123113123119123117
Διάρκεια Ηλιοφάνειας000000
Υετός124113124121124120
Υγρασία/Ορατότητα 145012466083800


ΠαράμετροςΑυγΣεπΟκτΝοεΔεκ(null)
Tmax12294117121118120
Tmin12294119123120121
Διάρκεια Ηλιοφάνειας000000
Υετός12599120124120124
Υγρασία/Ορατότητα 209811928209739528206399368


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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Royal Hillsborough

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