Iowa, Climate Division 9. Southeast, Precipitation Rankings, February 1957 1901-2000 Inches 1 0.59 1.23 -0.64 25 105 1917 1911 1947 1956 bottom-third 1934 2 1.61 2.55 -0.94 24 106 1970 2001 1956 1955 bottom-third 2022 3 2.53 4.04 -1.51 17 112 1920 2001 1956 1955 bottom-third 4 3.67 6.16 -2.49 11 118 1977 1993 1956 1955 bottom-tenth 5 4.51 8.79 -4.28 5 124 1977 2019 1956 1955 bottom-tenth 6 5.21 12.71 -7.50 1 128 1957 1962 1957 1956 lowest 7 10.66 16.46 -5.80 8 121 1954 1971 1956 1955 bottom-tenth 8 14.94 20.44 -5.50 18 111 1954 1962 1956 1955 bottom-third 9 17.34 24.99 -7.65 8 121 1954 1903 1956 1955 bottom-tenth 10 18.88 29.04 -10.16 4 125 1954 2011 1954 1956 bottom-tenth 11 20.38 32.38 -12.00 4 125 1954 2011 1954 1956 bottom-tenth 12 20.91 34.75 -13.84 4 125 1902 2011 1954 1956 bottom-tenth 18 28.82 47.46 -18.64 1 127 1957 1994 1957 1956 lowest 24 46.57 69.49 -22.92 1 127 1957 2011 1957 1956 lowest 36 83.26 104.12 -20.86 5 122 1990 2011 1956 1955 bottom-tenth 48 103.70 138.68 -34.98 1 125 1957 2011 1957 1956 lowest 60 137.90 173.28 -35.38 1 124 1957 2012 1957 1956 lowest