anchor.diff:                  precipitationProbabilityMoreOrEqualThan0_1MillimeterInPercent,precipitationProbabilityMoreThan0_2MillimeterInPercent,
                   precipitationProbabilityMoreThan4_4MillimeterInPercent,precipitationProbabilityInPercent,mostSignificantWeatherCode,mostSignificantWeatherCodeTraditional,
                   evaporationMakkinkInMillimeter,evaporationPenmanInMillimeter,mostSignificantPrecipitationType,saturationDeficitInHectoPascal,sunshineDurationInMinutes,
  -                relativeSunshineDurationInPercent,globalRadiationInJoulePerSquareCentimeter,averageRelativeHumidityInPercent,averageWindSpeedInMeterPerSecond,
  +                relativeSunshineDurationInPercent,globalRadiationInJoulePerSquareCentimeter,averageGlobalRadiationInWattPerSquareMeter,averageRelativeHumidityInPercent,averageWindSpeedInMeterPerSecond,
                   averageWindSpeedInKnots,averageWindSpeedInMilesPerHour,averageWindSpeedInBeaufort,averageWindSpeedInKilometerPerHour,averageAirPressureAtSeaLevelInHectoPascal,
                   maxUVIndexWithClouds,minVisibilityInMeter
   
  
positive.code:                 precipitationAmountInMillimeter,precipitationAmountInInch,maxPrecipitationAmountInMillimeter,minPrecipitationAmountInMillimeter,
                  precipitationProbabilityMoreOrEqualThan0_1MillimeterInPercent,precipitationProbabilityMoreThan0_2MillimeterInPercent,
                  precipitationProbabilityMoreThan4_4MillimeterInPercent,precipitationProbabilityInPercent,
                  precipitationDurationInMinutes,freshSnowfallInCentimeter,maxFreshSnowfallInCentimeter,effectiveCloudCoverInOcta,averageRelativeHumidityInPercent,
                  averageWindSpeedInMeterPerSecond,averageWindSpeedInKnots,averageWindSpeedInMilesPerHour,averageWindSpeedInBeaufort,averageWindSpeedInKilometerPerHour,
                  averageAirPressureAtSeaLevelInHectoPascal,maxUVIndexWithClouds,minVisibilityInMeter
  - **PT12H** -   maxWindSpeedInMeterPerSecond,maxWindSpeedInKnots,maxWindSpeedInMilesPerHour,maxWindSpeedInKilometerPerHour,
  
negative.code:                 maxPrecipitationAmountInMillimeter,minPrecipitationAmountInMillimeter,precipitationProbabilityMoreOrEqualThan0_1MillimeterInPercent,
                  precipitationProbabilityMoreThan0_2MillimeterInPercent,precipitationProbabilityMoreThan1_4MillimeterInPercent,precipitationProbabilityMoreThan4_4MillimeterInPercent,
                  precipitationProbabilityMoreThan20MillimeterInPercent,precipitationProbabilityInPercent,thunderstormProbabilityInPercent,mostSignificantWeatherCode,
                  mostSignificantWeatherCodeTraditional,effectiveCloudCoverInOcta,effectiveCloudCoverInPercent,freezingRainProbabilityInPercent,groundFrostProbabilityInPercent,hailProbabilityInPercent,
                  snowfallProbabilityInPercent,minAirTemperatureNearGroundInCelsius,averageRelativeHumidityInPercent,averageWindSpeedInMeterPerSecond,averageWindSpeedInKnots,
                  averageWindSpeedInMilesPerHour,averageWindSpeedInBeaufort,averageWindSpeedInKilometerPerHour,averageAirPressureAtSeaLevelInHectoPascal,
                  maxUVIndexWithClouds,minVisibilityInMeter
  