How to calculate the hourly humidity

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The hourly humidity can be selected directly from the U column of the KNMI weather data, since it is provided as a percentage and also required as a percentage.

Tutorial hourly humidity (Heat Overlay).png

Column Name Unit Dutch Description
2/B YYYYMMDD Date datum (YYYY=jaar,MM=maand,DD=dag)
3/C HH Hour tijd (HH=uur, UT.12 UT=13 MET, 14 MEZT. Uurvak 05 loopt van 04.00 UT tot 5.00 UT
20/S U % Relatieve vochtigheid (in procenten) op 1.50 m hoogte tijdens de waarneming

Notes

  • The values at each hour regard the measurement over the preceding hour up to that time. To obtain the value for 12am, the values at 12am must be used.

See also