Contiguous U.S., Precipitation Rankings, December 1973 1901-2000 Inches 1 3.09 2.35 0.74 119 10 1930 2015 1972 1971 top-tenth 2 6.26 4.58 1.68 124 5 1976 2015 1972 1973 top-tenth 3 8.63 6.74 1.89 120 9 1917 2015 1971 1972 top-tenth 4 12.09 9.23 2.86 124 5 1939 2018 1972 1973 top-tenth 5 14.15 11.85 2.30 117 12 1917 2018 1971 1972 top-tenth 6 17.11 14.62 2.49 120 9 1917 2018 1971 1972 top-tenth 7 20.16 17.55 2.61 120 9 1917 2018 1971 1972 top-tenth 8 23.19 20.46 2.73 117 12 1917 2015 1972 1957 top-tenth 9 26.52 22.98 3.54 121 8 1956 2015 1972 1957 top-tenth 10 30.52 25.49 5.03 127 2 1956 2015 1972 1973 top-tenth 11 32.48 27.62 4.86 125 4 1910 2018 1972 1973 top-tenth 12 34.96 29.94 5.02 128 1 1910 1973 1972 1973 highest 18 52.09 44.58 7.51 126 2 1954 2019 1972 1973 top-tenth 24 66.66 59.90 6.76 124 4 1931 2019 1972 1973 top-tenth 36 96.99 89.86 7.13 115 12 1956 2019 1972 1973 top-tenth 48 126.69 119.78 6.91 106 20 1956 2019 1972 1973 top-third 60 157.32 149.68 7.64 105 20 1956 2019 1972 1909 top-third