Iowa, Precipitation Rankings, December 2019
1901-2000
Inches
1
1.28
1.11
0.17
82
47
2002
2015
2017
2018
normal
2003
2
2.77
2.87
-0.10
65
64
1976
2015
2017
2018
normal
3
7.55
5.16
2.39
114
15
1910
1931
2017
2018
top-third
4
13.76
8.83
4.93
120
9
1939,1976
1931
2017
2018
top-tenth
5
17.29
12.67
4.62
115
14
1976
2018
2017
2018
top-third
6
20.67
16.52
4.15
106
23
1976
2018
2017
2018
top-third
1987
7
24.58
21.15
3.43
100
29
1976
2018
2017
2018
top-third
8
32.79
25.20
7.59
121
8
1976
1993
2017
2018
top-tenth
9
35.82
28.15
7.67
117
12
1910
1993
2017
2018
top-tenth
10
38.01
30.10
7.91
117
12
1910
1993
2017
2018
top-tenth
11
40.35
31.12
9.23
119
10
1910
1993
2017
2018
top-tenth
12
41.63
32.09
9.54
119
10
1910
1993
2017
2018
top-tenth
18
68.08
48.69
19.39
126
2
1956
1993
2018
1993
top-tenth
24
86.71
64.24
22.47
127
1
1989
2019
2018
2019
highest
36
119.07
96.36
22.71
122
5
1957
2010
2018
2016
top-tenth
48
157.17
128.37
28.80
121
5
1958
2010
2017
2018
top-tenth
60
199.70
160.36
39.34
122
3
1956
2010
2018
2011
top-tenth