anchor.diff:                  "windGustInMilesPerHour": 2.1864808,
                   "windGustInBeaufort": 1,
                   "windGustInKnots": 1.8999995,
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  -                "precipitationAmountInInch": 0
  +                "precipitationAmountInMillimeter": 0.5,
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                 },
                 {
                   "locatedAt": [ -2.2323, 47.4593 ],
  
positive.code:                 "observedUntil": "2016-10-15T09:00:00Z",
                  "observedPeriod": "PT3H",
                  "pressureChangeInHectoPascal": 2,
                  "pressureTendencyCode": 1
                },
                {
                  "locatedAt": [ -2.2323, 47.4593 ],
  
negative.code:                 "observedUntil": "2016-10-15T09:00:01Z",
                  "observedPeriod": "PT3H",
                  "pressureChangeInHectoPascal": 2.0,
                  "pressureTendencyCode": 1,
                  "precipitationAmountInMillimeter": 0,
                  "precipitationAmountInInch": 0
                },
                {
                  "meteoGroupStationId": "3007300",
                  "meteoGroupStationName": "Germ",
                  "stationLocation": [ 13.2323, 52.4593 ],
                  "stationTimeZoneName": "Europe/Berlin",
                  "observedFrom": "2016-10-15T03:00:01Z",
                  "observedUntil": "2016-10-15T09:00:01Z",
                  "observedPeriod": "PT6H",
                  "precipitationAmountInMillimeter": 0.1,
                  "precipitationAmountInInch": 0.004
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                {
                  "meteoGroupStationId": "3007300",
  