anchor.diff:                  "DATE": "20170215"
               }
   
  -### Add temperature data for date already in the database - GET [POST]
  ++ Response 400 (application/json)
   
  -+ Response 400 (application/json)
  +    When attempting to temperature data for date **already in the database**
  +    with a GET request, you get an error in the JSON response.
   
       + Body
   
               {
                   "message": "Data for 20170215 already exists"
  -            }
  -
  -
  -## Temperature Data - Single Day [/historical/{date}]
  -
  -The temperature data for a single date in the past is retrieved by adding `{date}` in
  -ISO8601 format (`YYYYMMDD`) to the end of the `/historical/` resource.
  -
  -Attempting to retrieve dates which don't exist in the datbase will yield a
  -`Data for <date> already exists` message in the JSON response.
  -
  -+ Parameters
  -
  -    + date (string) - date for which to fetch data (`YYYYMMDD` format)
  -
  -### Get temperatures for a single day in the past [GET]
  -
  -
  -+ Response 200 (application/json)
  -
  -    + Body
  -
  -            {
  -                "DATE": "20170215",
  -                "TMAX": 62.0,
  -                "TMIN": 45.0
  -            }
  -            
  -### Get temperatures for a single day not in the database [GET]
  -
  -+ Response 404 (application/json)
  -
  -        {
  -            "message": "No data found for 99990101"
  -        }
  -            
  -### Delete temperature for a single day [DELETE]
  -
  -+ Response 204
  -
  -### Delete temperature for a day not in the database [DELETE]
  -
  -+ Response 404 (application/json)
  -
  -        {
  -            "message": "No data found for 99990101"
  -        }+            }
positive.code: FORMAT: 1A
  HOST: http://polls.apiblueprint.org/
  
  # CS5162 Weather API
  
  
negative.code:             {
                  "DATE": "20170215"
              }
  
  + Request (application/json)
  
  