+-----+--------+-------+--------+--------+--------+-------+--------+
  3 ++    +        +       +        +        +        +       +       ++ 3
    |                                       ****                       |
  2 ++                         Last 24 Hours    ***                   ++ 2
    |                                **            *****               |
  1 ++                              *                   ******        ++ 1
    |                             **                          ******   |
  0 ++                           *                                  **** 0
    |                          **                                      |
 -1 ++                        *                                       ++-1
    |                        *                                         |
    |                        *                                         |
 -2 ++                 **** *                                         ++-2
    |             *****    *                                           |
 -3 ++         ***                                                    ++-3
    |     *****                                                        |
 -4 *** **                                                            ++-4
    |  *                                                               |
 -5 ++    +        +       +        +        +        +       +       ++-5
    +-----+--------+-------+--------+--------+--------+-------+--------+
                                  Noon                             Midnight