April U.S. Percentage Areas Very Wet/Very Dry
%
1895
3.64
18.92
1896
18.92
14.81
1897
6.02
4.87
1898
0.82
7.51
1899
1.16
22.63
1900
35.35
9.54
1901
11.33
5.35
1902
2.20
14.41
1903
3.85
11.70
1904
4.24
10.00
1905
21.26
6.91
1906
14.37
16.08
1907
2.88
3.99
1908
12.10
6.42
1909
5.67
21.03
1910
2.07
11.53
1911
12.07
7.71
1912
17.26
0.32
1913
3.75
8.34
1914
9.50
1.46
1915
24.83
24.08
1916
5.90
6.92
1917
11.81
3.07
1918
7.60
8.87
1919
9.37
5.17
1920
22.89
5.47
1921
7.22
3.69
1922
18.58
1.38
1923
12.21
2.54
1924
4.48
16.52
1925
6.41
15.42
1926
17.22
20.11
1927
19.00
8.76
1928
13.84
7.48
1929
12.36
4.40
1930
2.42
17.92
1931
11.71
10.16
1932
4.30
6.84
1933
7.15
6.17
1934
0.41
21.76
1935
15.07
5.96
1936
2.96
14.94
1937
14.41
10.26
1938
10.35
3.55
1939
2.98
11.46
1940
12.95
0.10
1941
34.52
6.07
1942
25.47
15.02
1943
3.95
5.68
1944
21.92
2.43
1945
12.27
0.98
1946
0.00
25.07
1947
14.27
5.92
1948
8.78
6.48
1949
5.13
26.94
1950
1.64
12.58
1951
7.44
3.37
1952
13.03
14.12
1953
7.01
0.00
1954
6.62
15.07
1955
6.67
9.58
1956
0.48
10.96
1957
25.56
0.94
1958
15.83
0.89
1959
1.77
12.02
1960
1.05
11.43
1961
6.51
15.44
1962
0.39
20.31
1963
15.27
15.46
1964
19.00
3.21
1965
17.47
8.48
1966
8.56
16.29
1967
14.09
10.02
1968
7.61
6.45
1969
6.07
4.95
1970
13.23
3.05
1971
4.77
15.04
1972
5.99
13.26
1973
21.47
4.57
1974
1.24
1.01
1975
8.96
3.55
1976
13.51
16.22
1977
11.12
28.74
1978
17.95
7.08
1979
11.44
5.78
1980
4.02
9.05
1981
8.51
11.77
1982
9.37
7.89
1983
17.86
8.39
1984
11.92
8.38
1985
8.47
22.66
1986
12.00
15.80
1987
4.64
40.45
1988
13.57
9.02
1989
5.32
32.07
1990
6.03
1.46
1991
18.60
12.55
1992
3.48
12.85
1993
13.23
7.79
1994
9.18
1.62
1995
9.39
4.77
1996
11.31
10.65
1997
16.87
9.49
1998
8.59
9.62
1999
31.13
5.91
2000
5.89
7.01
2001
8.08
16.90
2002
2.84
9.50
2003
11.80
9.58
2004
16.68
7.07
2005
8.30
7.73
2006
10.67
4.18
2007
6.03
1.57
2008
10.61
19.45
2009
11.48
0.96
2010
11.81
9.28
2011
25.65
10.07
2012
2.83
7.78
2013
12.08
6.45
2014
13.10
5.57
2015
10.83
2.21
2016
19.68
0.86
2017
26.27
1.16
2018
5.34
16.23
2019
18.20
0.65
2020
8.01
13.57
2021
1.45
18.66
2022
9.51
17.62
2023
6.91
17.05