anchor.diff:                  "visibilityInKilometers": 2,
                   "visibilityInNauticalMile": 1.0799999,
                   "visibilityInStatuteMile": 1.2427424,
  -                "presentWeather": "2",
  +                "weatherCode": "2",
                   "weatherSymbol": 100000
                 },
                 {
  
positive.code: [/search?stationIds={stationIds}&fields={fields}&observedFrom={observedFrom}&observedUntil={observedUntil}&observedPeriod={observedPeriod}]
  
  #### Example
  `https://point-observation.weather.mg/search?stationIds=3007237,3007300&fields=meteoGroupStationId,meteoGroupStationName,stationLocation,stationTimeZoneName,airTemperatureInCelsius,airTemperatureInFahrenheit,feelsLikeTemperatureInCelsius,feelsLikeTemperatureInFahrenheit,airPressureInHectoPascal,windSpeedInMeterPerSecond,windSpeedInKilometerPerHour,windSpeedInMilePerHour,windSpeedInBeaufort,windSpeedInKnot,windDirectionInDegree,dewPointTemperatureInCelsius,dewPointTemperatureInFahrenheit,relativeHumidityInPercent,effectiveCloudCoverInOcta,visibilityInMeter,visibilityInKilometers,visibilityInNauticalMile,visibilityInStatuteMile,presentWeather,weatherSymbol,windGustInMeterPerSecond,windGustInKilometerPerHour,windGustInMilePerHour,windGustInBeaufort,windGustInKnot,precipitationAmountInMillimeter,precipitationAmountInInch,pressureTendencyCode,pressureChangeInHectoPascal,temperatureMaxInDegreeCelsius,temperatureMaxInFahrenheit,temperatureMinInDegreeCelsius,temperatureMinInFahrenheit,precipitationAmountInMillimeter,precipitationAmountInInch,sunshineDurationInHours&observedPeriod=PT0S,PT1H,PT3H,PT12H,PT24H&observedFrom=2016-10-15T08:00:00Z&observedUntil=2016-10-15T10:00:00Z`
  
  + Response 200 (application/json)
  
  
negative.code:                 "meteoGroupStationId": "3007300",
                  "relativeHumidityInPercent": 98,
                  "weatherSymbol": 100000,
                  "weatherCode": "2",
                  "airTemperatureInFahrenheit": 59.18,
                  "visibilityInStatuteMile": 1.2427424
                },
  