anchor.diff:  [/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,airPressureInHpa,windSpeedInMeterPerSecond,windSpeedInKilometerPerHour,windSpeedInMilePerHour,windSpeedInBeaufort,windSpeedInKnot,windDirectionInDegree,dewPointTemperatureInCelsius,dewPointTemperatureInFahrenheit,relativeHumidityInPercent100based,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`
  +`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,relativeHumidityInPercent100based,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)
   
  
positive.code:                 "airTemperatureInFahrenheit": 38.12,
                  "feelsLikeTemperatureInCelsius": 3.9,
                  "feelsLikeTemperatureInFahrenheit": 39.02,
                  "airPressureInHpa": 1005.5,
                  "windSpeedInMeterPerSecond": 0.5144445,
                  "windSpeedInKilometerPerHour": 1.852,
                  "windSpeedInMilePerHour": 1.1507794,
  
negative.code: 
  Here are relationship between observation periods and fields appropriately:
  
  - **PT0S** - airTemperatureInCelsius, airTemperatureInFahrenheit, feelsLikeTemperatureInCelsius, feelsLikeTemperatureInFahrenheit, airPressureInHectoPascal,
               windSpeedInMeterPerSecond, windSpeedInKilometerPerHour, windSpeedInMilePerHour, windSpeedInBeaufort, windSpeedInKnot, windDirectionInDegree,
               dewPointTemperatureInCelsius, dewPointTemperatureInFahrenheit, relativeHumidityInPercent100based, effectiveCloudCoverInOcta, visibilityInMeter,
               visibilityInKilometers, visibilityInNauticalMile, visibilityInStatuteMile, presentWeather, weatherSymbol
  