+-----+--------+-------+--------+--------+--------+-------+--------+
  0 ++    +        +       +        +        +        +       +       ++ 0
    |                                    ****        *********     *****
    |                          Last 24 Hours ********         *****    |
    |                             **                                   |
 -2 ++                          **                                    ++-2
    |                        ***                                       |
    |                     ***                                          |
    |                  ***                                             |
 -4 ++              ***                                               ++-4
    |           ****                                                   |
    |          *                                                       |
 -6 ++        *                                                       ++-6
    |        *                                                         |
    |      **                                                          |
    |     *                                                            |
 -8 ++  **                                                            ++-8
    ****                                                               |
    |     +        +       +        +        +        +       +        +
    +-----+--------+-------+--------+--------+--------+-------+--------+
                 Noon                             Midnight