May U.S. Percentage Areas Very Wet/Very Dry
%
1895
7.89
7.46
1896
21.17
18.95
1897
3.18
24.02
1898
24.39
9.18
1899
5.36
18.31
1900
8.91
14.57
1901
11.28
15.18
1902
9.54
3.32
1903
12.12
13.40
1904
2.56
5.84
1905
16.52
2.81
1906
21.49
3.92
1907
14.66
5.26
1908
23.88
0.00
1909
4.37
11.03
1910
2.35
17.13
1911
5.01
31.41
1912
10.69
5.28
1913
3.41
16.44
1914
11.62
16.74
1915
28.24
3.36
1916
2.73
9.69
1917
14.75
12.23
1918
4.65
11.74
1919
7.27
8.62
1920
3.91
14.96
1921
9.51
11.70
1922
7.54
2.01
1923
11.84
8.77
1924
3.11
28.97
1925
2.40
26.49
1926
5.12
12.41
1927
16.22
20.45
1928
11.89
21.23
1929
17.86
14.02
1930
16.72
8.18
1931
1.51
12.30
1932
3.40
13.60
1933
12.34
2.53
1934
3.80
41.96
1935
24.13
7.66
1936
6.84
27.14
1937
3.22
15.51
1938
10.59
4.76
1939
0.42
18.74
1940
3.95
21.90
1941
16.71
20.65
1942
20.95
16.25
1943
9.23
5.54
1944
6.37
2.81
1945
11.70
18.29
1946
16.44
2.46
1947
11.78
6.20
1948
10.43
14.44
1949
8.58
3.91
1950
3.99
12.49
1951
4.27
13.10
1952
0.09
8.88
1953
16.39
6.83
1954
2.94
7.33
1955
5.86
4.74
1956
5.49
5.04
1957
43.26
1.12
1958
1.94
10.39
1959
9.87
4.89
1960
9.37
9.50
1961
7.20
7.65
1962
15.75
22.54
1963
2.30
18.51
1964
1.40
13.60
1965
13.89
14.69
1966
4.35
22.89
1967
5.32
6.88
1968
7.05
1.64
1969
5.89
10.29
1970
8.04
17.20
1971
10.72
4.14
1972
8.75
5.94
1973
8.64
6.45
1974
8.95
22.03
1975
8.31
4.98
1976
10.86
10.22
1977
17.18
15.44
1978
12.92
2.18
1979
14.64
1.07
1980
17.88
11.68
1981
20.10
2.27
1982
19.45
7.17
1983
13.97
3.20
1984
12.35
11.65
1985
2.06
5.74
1986
2.29
4.08
1987
18.41
3.48
1988
2.56
23.63
1989
10.98
4.71
1990
20.81
3.40
1991
19.11
5.42
1992
12.06
25.64
1993
6.64
6.28
1994
5.69
10.68
1995
34.15
0.73
1996
21.47
14.46
1997
1.77
5.15
1998
18.05
25.40
1999
6.98
4.48
2000
4.00
20.62
2001
8.08
15.59
2002
6.05
23.55
2003
14.64
5.45
2004
18.86
17.73
2005
16.31
11.12
2006
4.11
14.45
2007
16.45
23.62
2008
9.13
4.93
2009
15.17
6.24
2010
12.54
4.07
2011
26.39
15.54
2012
5.90
20.53
2013
13.34
5.70
2014
0.75
4.35
2015
44.82
6.77
2016
6.27
1.62
2017
10.83
1.78
2018
11.05
5.89
2019
41.34
1.16
2020
6.65
10.64
2021
7.96
15.71
2022
9.98
14.70
2023
4.82
8.79