September U.S. Percentage Areas Very Wet/Very Dry
%
1895
5.77
24.42
1896
10.14
1.40
1897
5.72
30.19
1898
5.90
10.48
1899
0.00
29.44
1900
16.69
3.91
1901
11.14
7.11
1902
5.69
6.01
1903
4.49
15.47
1904
12.38
12.09
1905
6.11
0.91
1906
14.46
2.92
1907
8.37
5.96
1908
4.30
19.38
1909
6.09
7.65
1910
4.92
7.04
1911
13.92
4.84
1912
7.79
8.48
1913
9.59
0.50
1914
3.95
8.22
1915
10.43
5.25
1916
1.30
2.98
1917
3.57
5.96
1918
13.47
6.83
1919
11.71
10.67
1920
4.35
2.27
1921
9.24
7.37
1922
0.46
29.12
1923
16.26
2.80
1924
13.81
3.88
1925
14.47
3.60
1926
21.55
6.69
1927
14.54
8.85
1928
6.97
26.36
1929
11.14
7.75
1930
2.26
4.66
1931
4.22
18.61
1932
6.65
20.32
1933
4.47
4.99
1934
11.16
3.99
1935
6.27
13.68
1936
12.49
1.17
1937
0.00
6.29
1938
12.60
9.86
1939
8.88
26.13
1940
19.16
17.78
1941
26.97
9.52
1942
4.18
10.27
1943
1.99
22.48
1944
4.64
9.79
1945
18.74
3.73
1946
9.86
2.03
1947
3.11
9.49
1948
1.49
19.77
1949
0.00
1.72
1950
10.75
3.47
1951
6.23
10.31
1952
1.01
21.51
1953
3.17
47.62
1954
6.02
15.19
1955
2.13
14.20
1956
1.69
45.80
1957
14.20
13.00
1958
12.08
6.67
1959
17.46
7.09
1960
3.96
12.69
1961
22.25
6.64
1962
6.39
0.93
1963
6.86
7.29
1964
4.81
9.72
1965
25.25
3.04
1966
3.93
3.02
1967
9.70
3.40
1968
5.69
16.06
1969
2.07
6.05
1970
13.02
6.14
1971
9.82
1.06
1972
6.71
4.93
1973
26.99
8.14
1974
13.35
22.48
1975
13.47
11.92
1976
11.18
8.09
1977
19.63
3.38
1978
16.65
11.58
1979
16.45
28.90
1980
14.45
3.97
1981
3.07
3.55
1982
16.60
4.08
1983
6.92
6.57
1984
3.15
13.93
1985
17.38
8.45
1986
33.61
2.77
1987
4.53
14.87
1988
6.46
2.78
1989
12.19
6.60
1990
3.26
16.46
1991
8.15
8.12
1992
2.10
5.81
1993
8.32
13.83
1994
0.77
2.48
1995
1.06
7.28
1996
18.79
0.46
1997
12.89
2.45
1998
14.22
13.24
1999
10.15
16.52
2000
3.96
14.65
2001
3.31
2.19
2002
12.60
3.92
2003
11.04
0.63
2004
21.59
13.94
2005
3.55
12.86
2006
8.58
3.53
2007
0.90
2.30
2008
10.82
12.76
2009
10.71
10.81
2010
14.50
14.38
2011
12.57
11.40
2012
5.63
24.13
2013
28.88
1.41
2014
11.93
3.93
2015
1.43
6.69
2016
10.32
5.85
2017
10.02
11.44
2018
23.93
16.60
2019
19.42
20.92
2020
6.89
13.78
2021
7.19
7.33
2022
1.94
9.65
2023
4.95
7.95