How to calculate the hourly humidity: Difference between revisions
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The [[Hourly_humidity_( | The [[Hourly_humidity_(Heat Stress Overlay)|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. | ||
[[File:Tutorial_hourly_humidity_(Heat_Overlay).png]] | [[File:Tutorial_hourly_humidity_(Heat_Overlay).png]] | ||
| Line 30: | Line 30: | ||
* The values at each hour regard the measurement over the preceding hour up to that time. To obtain the value for 12:00 UTC, the values at 12:00 UTC must be used. | * The values at each hour regard the measurement over the preceding hour up to that time. To obtain the value for 12:00 UTC, the values at 12:00 UTC must be used. | ||
|seealso= | |seealso= | ||
* [[Hourly humidity (Heat Overlay)]] | * [[Hourly humidity (Heat Stress Overlay)]] | ||
* [[KNMI weather data]] | * [[KNMI weather data]] | ||
}} | }} | ||
[[Category:How-to's]] | [[Category:How-to's]] | ||
Latest revision as of 12:27, 13 April 2026
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.
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| 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 12:00 UTC, the values at 12:00 UTC must be used.