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 October 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, May 2004

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 2004
1-Month
7.74"
(196.60mm)
4.05"
(102.87mm)
3.69"
(93.73mm)
121st Driest Driest since: 2003 1934
5th Wettest Wettest since: 1908 2013
Apr–May 2004
2-Month
9.59"
(243.59mm)
6.99"
(177.55mm)
2.60"
(66.04mm)
106th Driest Driest since: 2003 1934
20th Wettest Wettest since: 2001 2013
Mar–May 2004
3-Month
13.34"
(338.84mm)
8.95"
(227.33mm)
4.39"
(111.51mm)
117th Driest Driest since: 2003 1934
9th Wettest Wettest since: 1995 2013
Feb–May 2004
4-Month
14.51"
(368.55mm)
9.96"
(252.98mm)
4.55"
(115.57mm)
118th Driest Driest since: 2003 1934
8th Wettest Wettest since: 1991 2013
Jan–May 2004
5-Month
15.47"
(392.94mm)
10.94"
(277.88mm)
4.53"
(115.06mm)
117th Driest Driest since: 2003 1934
9th Wettest Wettest since: 2001 2013
Dec 2003–May 2004
6-Month
16.75"
(425.45mm)
12.04"
(305.82mm)
4.71"
(119.63mm)
116th Driest Driest since: 2003 1934
9th Wettest Wettest since: 2001 2013
Ties: 1945
Nov 2003–May 2004
7-Month
20.21"
(513.33mm)
13.78"
(350.01mm)
6.43"
(163.32mm)
120th Driest Driest since: 2003 1934
5th Wettest Wettest since: 1993 2013
Oct 2003–May 2004
8-Month
21.21"
(538.73mm)
16.10"
(408.94mm)
5.11"
(129.79mm)
114th Driest Driest since: 2003 1934
11th Wettest Wettest since: 1993 2019
Sep 2003–May 2004
9-Month
24.32"
(617.73mm)
19.79"
(502.67mm)
4.53"
(115.06mm)
105th Driest Driest since: 2003 1934
20th Wettest Wettest since: 1993 2019
Aug 2003–May 2004
10-Month
25.35"
(643.89mm)
23.65"
(600.71mm)
1.70"
(43.18mm)
80th Driest Driest since: 2003 1934
45th Wettest Wettest since: 2001 2019
Jul 2003–May 2004
11-Month
29.46"
(748.28mm)
27.54"
(699.52mm)
1.92"
(48.76mm)
79th Driest Driest since: 2003 1934
46th Wettest Wettest since: 2001 2019
Jun 2003–May 2004
12-Month
33.94"
(862.08mm)
32.14"
(816.36mm)
1.80"
(45.72mm)
77th Driest Driest since: 2003 1934
48th Wettest Wettest since: 2001 2019
Dec 2002–May 2004
18-Month
44.40"
(1,127.76mm)
44.20"
(1,122.68mm)
0.20"
(5.08mm)
53rd Driest Driest since: 2003 1934
71st Wettest Wettest since: 2002 2019
Jun 2002–May 2004
24-Month
63.47"
(1,612.14mm)
64.29"
(1,632.97mm)
-0.82"
(-20.83mm)
53rd Driest Driest since: 2003 1957
71st Wettest Wettest since: 2002 2011
Jun 2001–May 2004
36-Month
92.71"
(2,354.83mm)
96.33"
(2,446.78mm)
-3.62"
(-91.95mm)
43rd Driest Driest since: 2002 1958
80th Wettest Wettest since: 2003 2011
Jun 2000–May 2004
48-Month
129.23"
(3,282.44mm)
128.31"
(3,259.07mm)
0.92"
(23.37mm)
65th Driest Driest since: 2003 1957
57th Wettest Wettest since: 2002 2011
Ties: 1918
Jun 1999–May 2004
60-Month
155.91"
(3,960.11mm)
160.32"
(4,072.13mm)
-4.41"
(-112.02mm)
39th Driest Driest since: 1992 1958
82nd Wettest Wettest since: 2003 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 16, 2019 from https://www.ncdc.noaa.gov/cag/