Total Wheat Growing Degree Days from May 15, 2009 to July 12, 1980
    ---------------------------------------------------w (M)
    |                        1584         r 1543             \ h 1647
    |          1584 b          b               1554 l    c 1633
    |               1581 m                                  s 1702
    |               1575                     c 1611           |
     1780             b                              1728 f   |   s 1656
    |  w     h 1684        m 1689         b 1667               \  w 1695
    |                    1685 k               1678 c    (M)    |
  b 1784                         1641 h            m     n    g 1795
    |      w 1745                                1680           e 1686       
   s 1794                1666 t              c 1678           m 1768
    |                                                     1757  h 1807
    |               1668 h                       1739 d     g    | p 1761
    |                             1688 r                  1818 p |
    |                   1730 m            1730 j            1860 f
    |b         d 1682                                       (M) h|
   1690                              1703 s                      \
    |                                                    (M) m    |
    |                       1766 l        1775 e          1919 w  \
    |    b 1651                   1690 w                          |
    |          h 1706                             1896 o           |
    ----------------------------------------------------------------
                                                          b 1799