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