21 ++-------+--------+--------+---------+--------+--------+--------+----++
     +        +        +        +         +        +        +        +     |
  20 ++ ***                                                               ++
     | *                          Last 24 Hours                            |
     |*    ***                                                             |
  19 *+                                                                   ++
     |        ****                                                         |
  18 ++           *                                                       ++
     |             *                                                       |
  17 ++             ***                                                 ****
     |                 ***                                             *   |
     |                    ***                                          *   |
  16 ++                      ***                                      *   ++
     |                          ***                                   *    |
  15 ++                            *************  ****              **    ++
     |                                          **    ***         **       |
     |                                                   ****** **         |
  14 ++                                                        *          ++
     +        +        +        +         +        +        +        +     |
  13 ++-------+--------+--------+---------+--------+--------+--------+----++
   Noon                               Midnight