NOAA September 2012 Precipitation

Four of the 48 continental US states set a record for lowest rainfall in September 2012 according to the NOAA. The ranks are out of 118 with 1 being driest. 19 out of the 48 states were below average (rank 59 and lower) and 29 were ranked above average.

Indiana, Kentucky, Mississippi, Missouri, Tennessee and Nebraska’s driest September were before 1900.

State Sep 2012 Sep Rank Driest Sep Lowest Rainfall Wettest Sep Highest Rainfall
Minnesota 0.56 1 2012 0.56 2010 6.7
Montana 0.15 1 2012 0.15 1986 3.71
North Dakota 0.24 1 2012 0.24 1900 5
South Dakota 0.24 1 2012 0.24 1986 4.27
Washington 0.11 2 1975 0.09 1959 4.78
Nebraska 0.51 3 1899 0.44 1973 6.5
Oregon 0.07 4 1999 0.03 1986 2.83
Idaho 0.19 7 1987 0.08 1959 3.23
Wisconsin 1.61 9 1952 0.78 1986 8.25
Wyoming 0.31 9 1979 0.22 1923 3.42
Iowa 1.62 15 1939 0.84 1926 9.75
California 0.1 24 1974 0.02 1904 2.42
South Carolina 2.36 24 2005 0.81 1928 13.12
Georgia 2.77 33 2005 0.93 2004 12.32
Michigan 2.69 36 1979 0.98 1986 8.62
Kansas 2.08 39 1956 0.29 1973 8.35
Florida 5.66 42 1921 2.13 1979 12.98
Oklahoma 2.9 55 1956 0.27 1945 7.86
New Mexico 1.49 58 1956 0.08 1941 5.84
Utah 0.85 61 1979 0.04 1982 3.71
Arizona 1.18 63 1953 0.02 1939 4.14
New Jersey 3.97 71 1941 0.27 1938 9.78
Colorado 1.4 72 1956 0.1 1961 2.93
Delaware 4.09 74 1941 0.15 1935 11.59
North Carolina 4.89 77 1990 1.22 1999 13.3
Maryland 4.16 81 1941 0.58 1999 10.45
Mississippi 4.15 85 1897 0.72 1906 10.06
Virginia 4.08 85 2005 0.79 1999 10.47
Nevada 0.69 90 1922 0.02 1982 2.57
Missouri 5.23 92 1897 0.7 1993 11.65
Rhode Island 5.2 92 1941 0.5 2008 9.51
Texas 4.01 92 1931 0.55 1936 6.9
Alabama 5.55 95 1984 0.66 1906 10.03
Maine 4.95 97 1948 1.26 1999 9.1
Massachusetts 5.32 97 1914 0.58 1933 9.66
Arkansas 5.19 98 2004 0.41 1913 9.94
Louisiana 6.01 98 1953 0.96 1913 12.92
Vermont 5.08 98 1908 0.96 1999 8.61
New Hampshire 5.46 99 1914 0.77 1938 9.81
New York 4.8 99 1964 1.18 1977 7.87
Connecticut 5.96 100 1914 0.35 1938 13.89
Pennsylvania 5.21 103 1943 0.79 2011 10.08
Illinois 5.12 104 1979 0.49 1926 9.68
Indiana 5.2 105 1897 0.6 1926 8.25
Tennessee 6.02 107 1897 0.6 1977 7.86
West Virginia 5.45 108 1985 0.69 2004 7.45
Kentucky 5.99 112 1897 0.28 2006 8.55
Ohio 5.57 115 1908 0.58 1926 7.16

The 1940-1959 period has the largest number of driest Septembers.

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