anchor.diff:                  "observedAt": "2017-03-05T06:00:00Z"
                 }
               ],
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  +            "maxWindGustInMilesPerHour": 12.7,
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               "maxWindGustObservations": [
                 {
                   "meteoGroupStationId": "43081",
  
positive.code:                 "observedAt": "2017-03-04T06:00:00Z"
                }
              ],
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              "maxWindGustObservations": [
                {
  
negative.code:                 "observedAt": "2017-03-04T09:00:00Z"
                }
              ],
              "maxWindSpeedInMilesPerHour": 14.3,
              "maxWindSpeedInKnots": 12.4,
              "maxWindSpeedObservations": [
                {
  