Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of December 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, April 1946

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
April 1946
1-Month
1.14"
(28.96mm)
2.94"
(74.68mm)
-1.80"
(-45.72mm)
5th Driest Driest since: 1942 1926
121st Wettest Wettest since: 1945 2013
Mar–Apr 1946
2-Month
5.17"
(131.32mm)
4.90"
(124.46mm)
0.27"
(6.86mm)
73rd Driest Driest since: 1943 1910
53rd Wettest Wettest since: 1945 1991
Ties: 1948
Feb–Apr 1946
3-Month
5.54"
(140.72mm)
5.92"
(150.37mm)
-0.38"
(-9.65mm)
50th Driest Driest since: 1943 1910
76th Wettest Wettest since: 1945 1951
Jan–Apr 1946
4-Month
7.33"
(186.18mm)
6.89"
(175.01mm)
0.44"
(11.17mm)
73rd Driest Driest since: 1943 1934
53rd Wettest Wettest since: 1945 1951
Ties: 1922, 1964, 1982, 2005
Dec 1945–Apr 1946
5-Month
9.29"
(235.97mm)
7.99"
(202.95mm)
1.30"
(33.02mm)
89th Driest Driest since: 1943 1956
36th Wettest Wettest since: 1945 1973
Nov 1945–Apr 1946
6-Month
10.57"
(268.48mm)
9.74"
(247.40mm)
0.83"
(21.08mm)
78th Driest Driest since: 1943 1956
47th Wettest Wettest since: 1945 2016
Ties: 1962
Oct 1945–Apr 1946
7-Month
10.91"
(277.11mm)
12.05"
(306.07mm)
-1.14"
(-28.96mm)
43rd Driest Driest since: 1943 1934
82nd Wettest Wettest since: 1945 1973
Ties: 1922, 2002
Sep 1945–Apr 1946
8-Month
15.12"
(384.05mm)
15.75"
(400.05mm)
-0.63"
(-16.00mm)
57th Driest Driest since: 1944 1956
68th Wettest Wettest since: 1945 2019
Aug 1945–Apr 1946
9-Month
18.37"
(466.60mm)
19.61"
(498.09mm)
-1.24"
(-31.49mm)
48th Driest Driest since: 1943 1956
77th Wettest Wettest since: 1945 2019
Jul 1945–Apr 1946
10-Month
21.37"
(542.80mm)
23.49"
(596.65mm)
-2.12"
(-53.85mm)
34th Driest Driest since: 1940 1956
91st Wettest Wettest since: 1945 2019
Jun 1945–Apr 1946
11-Month
26.03"
(661.16mm)
28.09"
(713.49mm)
-2.06"
(-52.33mm)
38th Driest Driest since: 1940 1956
87th Wettest Wettest since: 1945 2019
May 1945–Apr 1946
12-Month
32.19"
(817.63mm)
32.14"
(816.36mm)
0.05"
(1.27mm)
59th Driest Driest since: 1941 1956
66th Wettest Wettest since: 1945 2019
Nov 1944–Apr 1946
18-Month
44.45"
(1,129.03mm)
41.90"
(1,064.26mm)
2.55"
(64.77mm)
81st Driest Driest since: 1944 1956
43rd Wettest Wettest since: 1945 1994
May 1944–Apr 1946
24-Month
69.11"
(1,755.39mm)
64.29"
(1,632.97mm)
4.82"
(122.42mm)
90th Driest Driest since: 1944 1957
34th Wettest Wettest since: 1945 2017
May 1943–Apr 1946
36-Month
103.60"
(2,631.44mm)
96.34"
(2,447.04mm)
7.26"
(184.40mm)
92nd Driest Driest since: 1944 1958
31st Wettest Wettest since: 1945 2011
May 1942–Apr 1946
48-Month
136.99"
(3,479.55mm)
128.30"
(3,258.82mm)
8.69"
(220.73mm)
92nd Driest Driest since: 1944 1957
30th Wettest Wettest since: 1945 2011
May 1941–Apr 1946
60-Month
172.30"
(4,376.42mm)
160.29"
(4,071.37mm)
12.01"
(305.05mm)
90th Driest Driest since: 1945 1958
31st Wettest Wettest since: 1907 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 21, 2020 from https://www.ncdc.noaa.gov/cag/