DDVEC = Vectorgemiddelde windrichting in graden (360=noord, 90=oost, 180=zuid, 270=west, 0=windstil/variabel) / Vector mean wind direction in degrees (360=north, 90=east, 180=south, 270=west, 0=calm/variable)
FHVEC = Vectorgemiddelde windsnelheid (in 0.1 m/s) / Vector mean windspeed (in 0.1 m/s)
FG = Etmaalgemiddelde windsnelheid (in 0.1 m/s) / Daily mean windspeed (in 0.1 m/s)
FHX = Hoogste uurgemiddelde windsnelheid (in 0.1 m/s) / Maximum hourly mean windspeed (in 0.1 m/s)
FHXH = Uurvak waarin FHX is gemeten / Hourly division in which FHX was measured
FHN = Laagste uurgemiddelde windsnelheid (in 0.1 m/s) / Minimum hourly mean windspeed (in 0.1 m/s)
FHNH = Uurvak waarin FHN is gemeten / Hourly division in which FHN was measured
FXX = Hoogste windstoot (in 0.1 m/s) / Maximum wind gust (in 0.1 m/s)
FXXH = Uurvak waarin FXX is gemeten / Hourly division in which FXX was measured
bron: knmi urrcchh
't Gaat om verschillende methoden om de gemiddelde windsnelheid te meten. Hier staat het verschil min of meer uitgelegd:
http://www.sodar.com/VectorScalar.htm (Engels)
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