anchor.diff:                  precipitationProbabilityMoreThan4_4MillimeterInPercent,precipitationProbabilityInPercent,
                   precipitationDurationInMinutes,freshSnowfallInCentimeter,maxFreshSnowfallInCentimeter,effectiveCloudCoverInOcta,averageRelativeHumidityInPercent,
                   averageWindSpeedInMeterPerSecond,averageWindSpeedInKnots,averageWindSpeedInMilesPerHour,averageWindSpeedInBeaufort,averageWindSpeedInKilometerPerHour,
  -                averageAirPressureAtSeaLevelInHectoPascal,maxUVIndexWithClouds
  +                averageAirPressureAtSeaLevelInHectoPascal,maxUVIndexWithClouds,minVisibilityInMeter
   - **PT12H** -   maxWindSpeedInMeterPerSecond,maxWindSpeedInKnots,maxWindSpeedInMilesPerHour,maxWindGustInMeterPerSecond,maxWindGustInKnots,maxWindGustInMilesPerHour,
                   minAirTemperatureInCelsius,minAirTemperatureInFahrenheit,minAirTemperatureInKelvin,maxAirTemperatureInCelsius,maxAirTemperatureInFahrenheit,
                   maxAirTemperatureInKelvin,mostLikelyLowAirTemperatureInCelsius,mostLikelyLowAirTemperatureInFahrenheit,mostLikelyLowAirTemperatureInKelvin,
  
positive.code:                 maxAirTemperatureInKelvin,mostLikelyLowAirTemperatureInCelsius,mostLikelyLowAirTemperatureInFahrenheit,mostLikelyLowAirTemperatureInKelvin,
                  mostLikelyHighAirTemperatureInCelsius,mostLikelyHighAirTemperatureInFahrenheit,mostLikelyHighAirTemperatureInKelvin,weatherCode,weatherCodeTraditional,
                  averageRelativeHumidityInPercent,averageWindSpeedInMeterPerSecond,averageWindSpeedInKnots,averageWindSpeedInMilesPerHour,averageWindSpeedInBeaufort,
                  averageWindSpeedInKilometerPerHour,averageAirPressureAtSeaLevelInHectoPascal,precipitationProbabilityInPercent,maxUVIndexWithClouds
  - **PT6H** -    maxWindSpeedInMeterPerSecond,maxWindSpeedInKnots,maxWindSpeedInMilesPerHour,maxWindGustInMeterPerSecond,maxWindGustInKnots,maxWindGustInMilesPerHour
                  minAirTemperatureInCelsius,minAirTemperatureInFahrenheit,minAirTemperatureInKelvin,maxAirTemperatureInCelsius,maxAirTemperatureInFahrenheit,
                  maxAirTemperatureInKelvin,mostLikelyLowAirTemperatureInCelsius,mostLikelyLowAirTemperatureInFahrenheit,mostLikelyLowAirTemperatureInKelvin,
  
negative.code:                 evaporationMakkinkInMillimeter,evaporationPenmanInMillimeter,mostSignificantPrecipitationType,saturationDeficitInHectoPascal,sunshineDurationInMinutes,
                  relativeSunshineDurationInPercent,globalRadiationInJoulePerSquareCentimeter,averageRelativeHumidityInPercent,averageWindSpeedInMeterPerSecond,
                  averageWindSpeedInKnots,averageWindSpeedInMilesPerHour,averageWindSpeedInBeaufort,averageWindSpeedInKilometerPerHour,averageAirPressureAtSeaLevelInHectoPascal,
                  maxUVIndexWithClouds,minVisibilityInMeter
  
  + The "weatherCode" parameter refers to the WMO code table "0 20 003 - Present weather".
  + The "weatherCodeTraditional" parameter refers to the WMO code table "4677".
  