Oregon, Climate Division 9. Southeast, Precipitation Rankings, December 1933 1901-2000 Inches 1 1.00 1.47 -0.47 43 86 1976 1983 1932 1931 bottom-third 2 1.15 2.77 -1.62 12 117 1976 1983 1930 1932 bottom-tenth 1923 3 2.47 3.66 -1.19 30 99 1976 1983 1930 1932 bottom-third 4 2.92 4.24 -1.32 26 103 1936 1981 1932 1931 bottom-third 5 3.03 4.62 -1.59 20 109 1936 1983 1932 1931 bottom-third 1993 6 3.07 4.98 -1.91 15 114 1929 1983 1930 1932 bottom-third 7 3.27 6.09 -2.82 5 124 1935 1983 1928 1932 bottom-tenth 8 4.13 7.36 -3.23 5 124 1928 1983 1929 1932 bottom-tenth 9 5.06 8.46 -3.40 5 124 1928 1983 1931 1932 bottom-tenth 10 5.88 9.67 -3.79 3 126 1999 1983 1928 1932 bottom-tenth 11 6.76 10.98 -4.22 4 125 1928 1983 1928 1932 bottom-tenth 12 7.91 12.55 -4.64 4 125 1949 1983 1898 1932 bottom-tenth 18 11.32 17.53 -6.21 3 125 1954 1983 1929 1932 bottom-tenth 24 19.40 25.09 -5.69 9 119 1929 1983 1931 1932 bottom-tenth 36 28.06 37.68 -9.62 4 123 1930 1983 1931 1932 bottom-tenth 48 37.89 50.15 -12.26 2 124 1931 1984 1931 1932 bottom-tenth 60 46.43 62.65 -16.22 1 124 1933 1984 1933 1932 lowest