anchor.diff:  ### Retrieve weather observation for multiple station IDs [GET]
   
   #### Example
  -`https://point-observation.weather.mg/search?meteoGroupStationIds=3007237,3007300&observedPeriod=PT0S,PT1H,PT3H,PT12H,PT24H&fields=dewPointTemperatureInCelsius,feelsLikeTemperatureInCelsius,weatherCode,meteoGroupStationName,windSpeedInMilesPerHour,windGustInBeaufort,stationTimeZoneName,effectiveCloudCoverInOcta,totalCloudCoverInOcta,windGustInKilometerPerHour,temperatureMinInFahrenheit,airTemperatureInKelvin,dewPointTemperatureInFahrenheit,airPressureInHectoPascal,visibilityInKilometer,windSpeedInMeterPerSecond,windGustInKnots,precipitationAmountInInch,airTemperatureInCelsius,dewPointTemperatureInKelvin,temperatureMaxInKelvin,windGustInMeterPerSecond,sunshineDurationInMinutes,feelsLikeTemperatureInKelvin,pressureTendencyDescription,stationLocation,visibilityInNauticalMile,feelsLikeTemperatureInFahrenheit,temperatureMinInCelsius,precipitationAmountInMillimeter,windSpeedInKnots,windSpeedInKilometerPerHour,temperatureMinInKelvin,windSpeedInBeaufort,temperatureMaxInFahrenheit,visibilityInMeter,windDirectionInDegree,windGustInMilesPerHour,meteoGroupStationId,sunshineDurationInHours,relativeHumidityInPercent,airTemperatureInFahrenheit,temperatureMaxInCelsius,visibilityInStatuteMile,pressureChangeInHectoPascal&timeZone=UTC`
  +`https://point-observation.weather.mg/search?meteoGroupStationIds=3007237,3007300observedFrom=2016-10-14T00:00:00Z&observedUntil=2016-10-15T12:00:00Z&observedPeriod=PT0S,PT1H,PT3H,PT12H,PT24H&fields=dewPointTemperatureInCelsius,feelsLikeTemperatureInCelsius,weatherCode,meteoGroupStationName,windSpeedInMilesPerHour,windGustInBeaufort,stationTimeZoneName,effectiveCloudCoverInOcta,totalCloudCoverInOcta,windGustInKilometerPerHour,temperatureMinInFahrenheit,airTemperatureInKelvin,dewPointTemperatureInFahrenheit,airPressureInHectoPascal,visibilityInKilometer,windSpeedInMeterPerSecond,windGustInKnots,precipitationAmountInInch,airTemperatureInCelsius,dewPointTemperatureInKelvin,temperatureMaxInKelvin,windGustInMeterPerSecond,sunshineDurationInMinutes,feelsLikeTemperatureInKelvin,pressureTendencyDescription,stationLocation,visibilityInNauticalMile,feelsLikeTemperatureInFahrenheit,temperatureMinInCelsius,precipitationAmountInMillimeter,windSpeedInKnots,windSpeedInKilometerPerHour,temperatureMinInKelvin,windSpeedInBeaufort,temperatureMaxInFahrenheit,visibilityInMeter,windDirectionInDegree,windGustInMilesPerHour,meteoGroupStationId,sunshineDurationInHours,relativeHumidityInPercent,airTemperatureInFahrenheit,temperatureMaxInCelsius,visibilityInStatuteMile,pressureChangeInHectoPascal&timeZone=UTC`
   
   + Request Search weather observation data for given meteoGroupStationIds
   
  
positive.code:                 "observedFrom": "2016-10-15T06:00:00Z",
                  "observedUntil": "2016-10-15T09:00:00Z",
                  "observedPeriod": "PT3H",
                  "pressureChangeInHectoPascal": 2.0,
                  "pressureTendencyDescription": "INCREASING_THEN_STEADY",
                  "pressureTendencyCode": 1,
                  "precipitationAmountInMillimeter": 1.3,
                  "precipitationAmountInInch": 0.051
                },
                {
                  "meteoGroupStationId": "3007237",
                  "meteoGroupStationName": "Pleucadeuc",
                  "stationLocation": [ -2.2323, 47.4593 ],
                  "stationTimeZoneName": "Europe/Prague",
                  "observedFrom": "2016-10-15T03:00:00Z",
                  "observedUntil": "2016-10-15T09:00:00Z",
                  "observedPeriod": "PT6H",
                  "precipitationAmountInMillimeter": 1.5,
                  "precipitationAmountInInch": 0.059
                },
                {
                  "meteoGroupStationId": "3007237",
                  "meteoGroupStationName": "Pleucadeuc",
                  "stationLocation": [ -2.2323, 47.4593 ],
                  "stationTimeZoneName": "Europe/Prague",
                  "observedFrom": "2016-10-14T21:00:00Z",
                  "observedUntil": "2016-10-15T09:00:00Z",
                  "observedPeriod": "PT12H",
                  "temperatureMaxInCelsius": 2.5,
                  "temperatureMaxInFahrenheit": 36.5,
                  "temperatureMaxInKelvin": 275.65,
                  "temperatureMinInCelsius": 2.8,
                  "temperatureMinInFahrenheit": 37.04,
                  "temperatureMinInKelvin": 275.94998,
                  "precipitationAmountInMillimeter": 2,
                  "precipitationAmountInInch": 0.079
                },
                {
                  "meteoGroupStationId": "3007237",
                  "meteoGroupStationName": "Pleucadeuc",
                  "stationLocation": [ -2.2323, 47.4593 ],
                  "stationTimeZoneName": "Europe/Prague",
                  "observedFrom": "2016-10-14T09:00:00Z",
                  "observedUntil": "2016-10-15T09:00:00Z",
                  "observedPeriod": "PT24H",
                  "precipitationAmountInMillimeter": 6.1,
                  "precipitationAmountInInch": 0.24,
                  "sunshineDurationInHours": 12.0,
                  "sunshineDurationInMinutes": 720.0,
                  "freshSnowfallInCentimeter": 5.5,
                  "freshSnowfallInInch": 2.165
                },
                {
                  "meteoGroupStationId": "3007300",
  
negative.code:                 "observedFrom": "2016-10-15T06:00:00Z",
                  "observedUntil": "2016-10-15T09:00:00Z",
                  "observedPeriod": "PT3H",
                  "precipitationAmountInMillimeter": 0,
                  "precipitationAmountInInch": 0,
                  "pressureTendencyDescription": "INCREASING_THEN_STEADY",
                  "pressureTendencyCode": 1,
                  "pressureChangeInHectoPascal": 2
                },
                {
                  "meteoGroupStationId": "3007300",
                  "meteoGroupStationName": "Germ",
                  "stationLocation": [ 13.2323, 52.4593 ],
                  "stationTimeZoneName": "Europe/Berlin",
                  "observedFrom": "2016-10-15T06:00:00Z",
                  "observedUntil": "2016-10-15T12:00:00Z",
                  "observedPeriod": "PT6H",
                  "precipitationAmountInMillimeter": 0.1,
                  "precipitationAmountInInch": 0.004
                }
              ]
            }
  