Iowa, Climate Division 9. Southeast, Precipitation Rankings, March 1918 1901-2000 Inches 1 0.32 2.35 -2.03 1 128 1918 1990 1918 1917 lowest 2 1.50 3.58 -2.08 4 125 1958 1998 1910 1917 bottom-tenth 3 2.76 4.91 -2.15 11 118 1956 1998 1917 1916 bottom-tenth 4 3.39 6.40 -3.01 4 124 1956 1998 1918 1917 bottom-tenth 5 3.50 8.52 -5.02 3 125 1956 1993 1918 1917 bottom-tenth 6 5.25 11.15 -5.90 3 125 1956 1985 1918 1917 bottom-tenth 7 9.01 15.07 -6.06 6 122 1957 1962 1918 1917 bottom-tenth 8 10.79 18.81 -8.02 3 125 1954 2019 1902 1917 bottom-tenth 9 12.93 22.79 -9.86 3 125 1954 1993 1902 1917 bottom-tenth 10 20.47 27.34 -6.87 12 116 1902 1903 1914 1917 bottom-tenth 11 24.71 31.40 -6.69 14 114 1902 2011 1913 1917 bottom-third 12 29.68 34.74 -5.06 26 102 1902 2011 1915 1917 bottom-third 18 38.32 45.91 -7.59 13 114 1957 2011 1913 1917 bottom-tenth 24 60.62 69.47 -8.85 21 106 1957 2011 1915 1917 bottom-third 36 104.71 104.12 0.59 65 61 1956 2011 1917 1910 normal 48 134.16 138.67 -4.51 43 82 1957 2011 1917 1911 normal 1936 60 163.09 173.27 -10.18 25 99 1958 2012 1917 1912 bottom-third