anchor.diff:                  "meteoGroupStationId": "3007237",
                   "relativeHumidityInPercent": 97,
                   "weatherSymbol": 100000,
  -                "presentWeather": "2",
  +                "weatherCode": "2",
                   "airTemperatureInFahrenheit": 38.12,
                   "visibilityInStatuteMile": 1.2427424
                 },
  
positive.code: - **PT0S** - airTemperatureInCelsius, airTemperatureInFahrenheit, feelsLikeTemperatureInCelsius, feelsLikeTemperatureInFahrenheit, airPressureInHectoPascal,
               windSpeedInMeterPerSecond, windSpeedInKilometerPerHour, windSpeedInMilePerHour, windSpeedInBeaufort, windSpeedInKnot, windDirectionInDegree,
               dewPointTemperatureInCelsius, dewPointTemperatureInFahrenheit, relativeHumidityInPercent, effectiveCloudCoverInOcta, visibilityInMeter,
               visibilityInKilometers, visibilityInNauticalMile, visibilityInStatuteMile, presentWeather, weatherSymbol
  - **PT1H** - windGustInMeterPerSecond, windGustInKilometerPerHour, windGustInMilePerHour, windGustInBeaufort, windGustInKnot, precipitationAmountInMillimeter, precipitationAmountInInch
  - **PT3H** - pressureTendencyCode, pressureChangeInHectoPascal
  - **PT12H** - temperatureMaxInDegreeCelsius, temperatureMaxInFahrenheit, temperatureMinInDegreeCelsius, temperatureMinInFahrenheit
  
negative.code:                 "meteoGroupStationId": "3007300",
                  "relativeHumidityInPercent": 98,
                  "weatherSymbol": 100000,
                  "weatherCode": "2",
                  "airTemperatureInFahrenheit": 59.18,
                  "visibilityInStatuteMile": 1.2427424
                },
  