Disclaimer for climate data

Please be advised that certain irregularities have been observed regarding two parameters in the climate data service. The two parameters are 

  • potential evaporation calculated with the Penman equation (pot_evaporation_penman), and
  • the Drought Index (drought_index).

DMI therefore recommends that instead of using the parameter potential evaporation calculated with the Penman equation, please use the parameter potential evaporation calculated with the Makkink equation (pot_evaporation_makkink) instead. 


When the parameter Drought Index is calculated, potential evaporation calculated with the Penman is used as input in the equation for the Drought Index model. This means that there may be a tendency toward a higher Drought Index during the summer.


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