Iowa, Climate Division 9 May 2013 Precipitation Rankings
1901-2000
Inches
1
9.26
4.04
5.22
126
4
1992
1996
2012
1996
top-tenth
2
16.66
7.38
9.28
129
1
1956
2013
2012
2013
highest
3
19.38
9.74
9.64
128
2
1956
1973
2012
1973
top-tenth
4
21.46
10.97
10.49
128
2
1956
1973
2012
1973
top-tenth
5
23.36
12.29
11.07
128
2
1956
1973
2012
1973
top-tenth
6
25.60
13.78
11.82
127
2
1956
1973
2012
1973
top-tenth
7
27.09
15.90
11.19
126
3
1956
1973
2012
1973
top-tenth
8
30.93
18.53
12.40
126
3
1956
2019
2012
1973
top-tenth
9
32.72
22.45
10.27
125
4
1956
2019
2012
1973
top-tenth
10
35.93
26.20
9.73
124
5
1956
2019
2012
2010
top-tenth
11
37.19
30.18
7.01
111
18
1956
2019
2012
2011
top-third
12
40.35
34.73
5.62
102
27
1956
1903
2012
2011
top-third
18
54.62
48.55
6.07
101
27
1902
1974
2012
2011
top-third
24
74.34
69.46
4.88
85
43
1957
2011
2007
2012
normal
1972
36
125.75
104.12
21.63
117
10
1958
2011
2008
2012
top-tenth
48
178.15
138.68
39.47
122
4
1957
2011
2009
2012
top-tenth
60
225.23
173.32
51.91
122
3
1958
2011
2010
2012
top-tenth