Number of days of gales per annum

  • Definition : Number of days per year in which the maximum wind speed is equal to or higher than 30 knots (or 15,432 metres per second) by measuring station, in any given year.
  • Calculation : Annual number of days per year with maximal wind speed equal to or higher than 30 knots (15, 342 metres per second).
  • Unit : Number
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    Last modified on 14/09/2007
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