anchor.diff:  
       + Headers
   
  -            X-Api-Key:  gGf8JqkD6h4cq6em6HY609isFK85nJnp7iNUgggi
  -            Or
               Authorization: Bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.EkN-DOsnsuRjRO6BxXemmJDm3HbxrbRzXglbN2S4sOkopdU4IsDxTI8jO19W_A4K8ZPJijNLis4EZsHeY559a4DFOd50_OqgHGuERTqYZyuhtF39yxJPAjUESwxk2J5k_4zM3O-vtd1Ghyo4IbqKKSy6J9mTniYJPenn5-HIirE
   
   + Response 200 (application/json)
  
positive.code: 
      + Headers
  
              X-Api-Key:  gGf8JqkD6h4cq6em6HY609isFK85nJnp7iNUgggi
              Or
              Authorization: Bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiYWRtaW4iOnRydWV9.EkN-DOsnsuRjRO6BxXemmJDm3HbxrbRzXglbN2S4sOkopdU4IsDxTI8jO19W_A4K8ZPJijNLis4EZsHeY559a4DFOd50_OqgHGuERTqYZyuhtF39yxJPAjUESwxk2J5k_4zM3O-vtd1Ghyo4IbqKKSy6J9mTniYJPenn5-HIirE
  
  + Response 200 (application/json)
  
  
negative.code: If observedFrom and observedUntil are missing then application sets observedFrom as current time minus 3 hours and observedUntil as current time.
  if observedFrom is not missing and observedUntil is missing then application sets observedUntil as observedFrom plus 3 days ahead.
  There is possible to use station ID parameter instead of location parameter. in order to get observation for concrete station.
  The observations are available only from now and 7 days back. Data that are older than 7 days are expired(deleted) from Data Storage.
  
  *Meteorological hints*
  
  