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 1945

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 1945
1-Month
4.41"
(112.01mm)
2.94"
(74.68mm)
1.47"
(37.33mm)
102nd Driest Driest since: 1943 1926
24th Wettest Wettest since: 1944 2013
Mar–Apr 1945
2-Month
7.24"
(183.90mm)
4.90"
(124.46mm)
2.34"
(59.44mm)
112th Driest Driest since: 1944 1910
14th Wettest Wettest since: 1920 1991
Ties: 1999
Feb–Apr 1945
3-Month
8.68"
(220.47mm)
5.92"
(150.37mm)
2.76"
(70.10mm)
115th Driest Driest since: 1944 1910
11th Wettest Wettest since: 1919 1951
Jan–Apr 1945
4-Month
9.35"
(237.49mm)
6.89"
(175.01mm)
2.46"
(62.48mm)
113th Driest Driest since: 1944 1934
13th Wettest Wettest since: 1919 1951
Dec 1944–Apr 1945
5-Month
10.59"
(268.99mm)
7.99"
(202.95mm)
2.60"
(66.04mm)
111th Driest Driest since: 1944 1956
14th Wettest Wettest since: 1919 1973
Nov 1944–Apr 1945
6-Month
12.26"
(311.40mm)
9.74"
(247.40mm)
2.52"
(64.00mm)
102nd Driest Driest since: 1944 1956
23rd Wettest Wettest since: 1932 2016
Oct 1944–Apr 1945
7-Month
13.27"
(337.06mm)
12.05"
(306.07mm)
1.22"
(30.99mm)
80th Driest Driest since: 1944 1934
45th Wettest Wettest since: 1942 1973
Sep 1944–Apr 1945
8-Month
15.52"
(394.21mm)
15.75"
(400.05mm)
-0.23"
(-5.84mm)
60th Driest Driest since: 1944 1956
65th Wettest Wettest since: 1942 2019
Aug 1944–Apr 1945
9-Month
21.25"
(539.75mm)
19.61"
(498.09mm)
1.64"
(41.66mm)
84th Driest Driest since: 1944 1956
41st Wettest Wettest since: 1942 2019
Jul 1944–Apr 1945
10-Month
24.98"
(634.49mm)
23.49"
(596.65mm)
1.49"
(37.84mm)
82nd Driest Driest since: 1944 1956
43rd Wettest Wettest since: 1942 2019
Jun 1944–Apr 1945
11-Month
30.70"
(779.78mm)
28.09"
(713.49mm)
2.61"
(66.29mm)
88th Driest Driest since: 1944 1956
37th Wettest Wettest since: 1942 2019
May 1944–Apr 1945
12-Month
36.92"
(937.77mm)
32.14"
(816.36mm)
4.78"
(121.41mm)
101st Driest Driest since: 1944 1956
24th Wettest Wettest since: 1929 2019
Ties: 1952
Nov 1943–Apr 1945
18-Month
47.59"
(1,208.79mm)
41.90"
(1,064.26mm)
5.69"
(144.53mm)
99th Driest Driest since: 1944 1956
25th Wettest Wettest since: 1920 1994
May 1943–Apr 1945
24-Month
71.41"
(1,813.81mm)
64.29"
(1,632.97mm)
7.12"
(180.84mm)
98th Driest Driest since: 1944 1957
26th Wettest Wettest since: 1920 2017
May 1942–Apr 1945
36-Month
104.80"
(2,661.92mm)
96.34"
(2,447.04mm)
8.46"
(214.88mm)
97th Driest Driest since: 1944 1958
26th Wettest Wettest since: 1910 2011
May 1941–Apr 1945
48-Month
140.11"
(3,558.79mm)
128.30"
(3,258.82mm)
11.81"
(299.97mm)
98th Driest Driest since: 1944 1957
24th Wettest Wettest since: 1906 2011
May 1940–Apr 1945
60-Month
169.57"
(4,307.08mm)
160.29"
(4,071.37mm)
9.28"
(235.71mm)
87th Driest Driest since: 1944 1958
34th Wettest Wettest since: 1910 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 20, 2020 from https://www.ncdc.noaa.gov/cag/