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 June 2020. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, April 1909

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
April 1909
1-Month
4.49"
(114.05mm)
2.94"
(74.68mm)
1.55"
(39.37mm)
106th Driest Driest since: 1908 1926
21st Wettest Wettest since: 1897 2013
Ties: 1929
Mar–Apr 1909
2-Month
6.00"
(152.40mm)
4.90"
(124.46mm)
1.10"
(27.94mm)
91st Driest Driest since: 1908 1910
36th Wettest Wettest since: 1897 1991
Feb–Apr 1909
3-Month
7.56"
(192.02mm)
5.92"
(150.37mm)
1.64"
(41.65mm)
104th Driest Driest since: 1908 1910
23rd Wettest Wettest since: 1897 1951
Ties: 2019
Jan–Apr 1909
4-Month
9.23"
(234.44mm)
6.89"
(175.01mm)
2.34"
(59.43mm)
113th Driest Driest since: 1908 1934
14th Wettest Wettest since: 1897 1951
Dec 1908–Apr 1909
5-Month
9.81"
(249.17mm)
7.99"
(202.95mm)
1.82"
(46.22mm)
98th Driest Driest since: 1908 1956
28th Wettest Wettest since: 1897 1973
Nov 1908–Apr 1909
6-Month
11.35"
(288.29mm)
9.74"
(247.40mm)
1.61"
(40.89mm)
90th Driest Driest since: 1908 1956
36th Wettest Wettest since: 1897 2016
Oct 1908–Apr 1909
7-Month
14.69"
(373.13mm)
12.05"
(306.07mm)
2.64"
(67.06mm)
102nd Driest Driest since: 1908 1934
24th Wettest Wettest since: 1897 1973
Sep 1908–Apr 1909
8-Month
15.94"
(404.88mm)
15.75"
(400.05mm)
0.19"
(4.83mm)
68th Driest Driest since: 1908 1956
58th Wettest Wettest since: 1906 2019
Aug 1908–Apr 1909
9-Month
20.69"
(525.53mm)
19.61"
(498.09mm)
1.08"
(27.44mm)
73rd Driest Driest since: 1908 1956
53rd Wettest Wettest since: 1906 2019
Jul 1908–Apr 1909
10-Month
24.35"
(618.49mm)
23.49"
(596.65mm)
0.86"
(21.84mm)
74th Driest Driest since: 1908 1956
52nd Wettest Wettest since: 1906 2019
Jun 1908–Apr 1909
11-Month
29.84"
(757.94mm)
28.09"
(713.49mm)
1.75"
(44.45mm)
82nd Driest Driest since: 1908 1956
44th Wettest Wettest since: 1906 2019
Ties: 1985
May 1908–Apr 1909
12-Month
37.96"
(964.18mm)
32.14"
(816.36mm)
5.82"
(147.82mm)
106th Driest Driest since: 1908 1956
20th Wettest Wettest since: 1903 2019
Nov 1907–Apr 1909
18-Month
45.96"
(1,167.38mm)
41.90"
(1,064.26mm)
4.06"
(103.12mm)
92nd Driest Driest since: 1908 1956
33rd Wettest Wettest since: 1904 1994
May 1907–Apr 1909
24-Month
70.67"
(1,795.02mm)
64.29"
(1,632.97mm)
6.38"
(162.05mm)
96th Driest Driest since: 1908 1957
29th Wettest Wettest since: 1904 2020
May 1906–Apr 1909
36-Month
99.51"
(2,527.55mm)
96.34"
(2,447.04mm)
3.17"
(80.51mm)
73rd Driest Driest since: 1908 1958
51st Wettest Wettest since: 1906 2011
May 1905–Apr 1909
48-Month
135.67"
(3,446.02mm)
128.30"
(3,258.82mm)
7.37"
(187.20mm)
88th Driest Driest since: 1908 1957
35th Wettest Wettest since: 1906 2011
May 1904–Apr 1909
60-Month
163.85"
(4,161.79mm)
160.29"
(4,071.37mm)
3.56"
(90.42mm)
73rd Driest Driest since: 1908 1958
49th Wettest Wettest since: 1907 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2020, retrieved on August 3, 2020 from https://www.ncdc.noaa.gov/cag/