anchor.diff:                      "hourly" : [
                           {
                               "validAt": "2015-08-25T14:00:00+02:00",
  -                            "airTemperature": {                        
  +                            "airTemperature": {
                                   "value" : 29,
                                   "unit" : "DEGREE_CELSIUS"
                               },
  
positive.code:                             "averageWindSpeed": {
                                  "value" : 7.48,
                                  "unit" : "METER_PER_SECOND",
                                  "timeIntervalInMinutes" : -60  
                              },
                              "windGust" : {                     
                                  "value" : 21.6,
                                  "unit" : "METER_PER_SECOND",
                                  "timeIntervalInMinutes" : -60    
                              },
                              "windDirectionInDegree": 274,
                              "effectiveCloudCoverInOcta": 3
  
negative.code: 
  This document is using [API blueprint format](https://apiblueprint.org/documentation/).
  
  The endpoints are **secured** with [OAuth2 Two-Legged](http://oauthbible.com/#oauth-2-two-legged) authorization from our authorization server (http://auth.weather.mg/).
  If you want to get access to the Weather API please contact us via this [request form](https://meteogroup.zendesk.com/hc/en-gb/requests/new?ticket_form_id=64951).
  
  # Group Observation
  
  