+-------+--------+-------+--------+-------+--------+-------+-----+
  -4 ****    +        +       +        +       +        +       +    ++-4
     |   *                                                            |
     |    *                    Last 24 Hours                          |
  -6 ++    *                                                         ++-6
     |      *                                                         |
  -8 ++     *                                                        ++-8
     |       ***                                                      |
 -10 ++                                                              ++-10
     |          *                                                     |
     |           *                                                    |
 -12 ++           *                                                  ++-12
     |             ***                        *******                 |
 -14 ++                                     **       ***             ++-14
     |                ***                ***            ***           |
     |                                ***                  *****      |
 -16 ++                  ***       ***                          ******+-16
     |                          ***                                   *
 -18 ++      +        +     ****       +       +        +       +    ++-18
     +-------+--------+-------+--------+-------+--------+-------+-----+
 Midnight                            Noon