anchor.diff:          - longitude in degree numeric format and in range <-180,180> eg. -123.454, 179.864
           - latitude in degree numeric format and in range <-90,90> eg. -85.541, 5.32,
   
  -    + occurrenceFrom: `2017-01-05T12:21:14Z` (start time range, optional)
  +    + occurredFrom: `2017-01-05T12:21:14Z` (start time range, optional)
           - start lightning observation time. End time is current time by default, setup by the service.
   
  -    + occurrenceUntil: `2017-01-05T12:21:15Z` (end time range, optional)
  +    + occurredUntil: `2017-01-05T12:21:15Z` (end time range, optional)
           - time range period for lightning observation.
   
   
  
positive.code:         - longitude in degree numeric format and in range <-180,180> eg. -123.454, 179.864
          - latitude in degree numeric format and in range <-90,90> eg. -85.541, 5.32,
  
      + occurrenceFrom: `2017-01-05T12:21:14Z` (start time range, optional)
          - start lightning observation time. End time is current time by default, setup by the service.
  
      + occurrenceUntil: `2017-01-05T12:21:15Z` (end time range, optional)
          - time range period for lightning observation.
  
  
  
negative.code: 
  # Weighted Lightning
  
  ## Retrieve weighted lightning observation [?temporalResolution={temporalResolution}&spatialResolution={resolution}&locationWithin={lonTopLeft,latTopLeft,lonBottomRight,latBottomRight}&occurredFrom={startTime}&occurredUntil={endTime}]
  ## Retrieve weighted lightning observation [?temporalResolution={temporalResolution}&spatialResolution={resolution}&locationWithin={lonTopLeft,latTopLeft,lonBottomRight,latBottomRight}&occurredFrom={startTime}]
  
  
  #### Example
  https://lightning.weather.mg/weighted?&temporalResolution=PT15M&spatialResolution=0.5&locationWithin=[-10,80],[10,5]&occurredFrom=2017-01-05T12:19:14Z&occurredUntil=2017-01-05T12:21:15Z
  https://lightning.weather.mg/weighted?&temporalResolution=PT15M&spatialResolution=0.5&locationWithin=[-10,80],[10,5]&occurredFrom=2017-01-05T12:19:14Z
  https://lightning.weather.mg/weighted?&temporalResolution=PT15M&spatialResolution=0.5&locationWithin=[-10,80],[10,5]
  
  ### Observed weighted lightning for a given boundingBox, time period, weighted by time span and spatial resolution
  