anchor.diff:  			"validFrom" : "2016-12-13T09:00:00Z",
   			"validPeriod" : "PT3H"
   		}, {
  -			"maxAirTemperatureInFahrenheit" : 66.74,
  +			"maxAirTemperatureInFahrenheit" : 66.7,
   			"precipitationProbabilityInPercent" : 7,
   			"weatherCode" : 3,
   			"locatedAt" : [-16.78, 32.69],
  
positive.code: 			"meteoGroupStationId": "8521",
  			"precipitationAmountInMillimeter": 0,
  			"validUntil": "2016-12-13T11:00:00Z",
  			"maxWindGustInMeterPerSecond": 4.2184453,
  			"validFrom": "2016-12-13T10:00:00Z",
  			"validPeriod": "PT1H"
  		},
  
negative.code: 			"validFrom" : "2016-12-13T11:00:00Z",
  			"validPeriod" : "PT1H"
  		}, {
  			"maxAirTemperatureInFahrenheit" : 66.7,
  			"precipitationProbabilityInPercent" : 7,
  			"weatherCode" : 4,
  			"locatedAt" : [-16.78, 32.69],
  