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


Iowa

Precipitation Rankings, July 2004

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 2004
1-Month
4.33"
(109.98mm)
3.86"
(98.04mm)
0.47"
(11.94mm)
88th Driest Driest since: 2003 1936
38th Wettest Wettest since: 1999 1993
Ties: 1928, 1968
Jun–Jul 2004
2-Month
7.88"
(200.15mm)
8.49"
(215.65mm)
-0.61"
(-15.50mm)
51st Driest Driest since: 2002 1936
75th Wettest Wettest since: 2003 1993
May–Jul 2004
3-Month
15.62"
(396.75mm)
12.53"
(318.26mm)
3.09"
(78.49mm)
106th Driest Driest since: 2003 1988
20th Wettest Wettest since: 1993 1993
Apr–Jul 2004
4-Month
17.47"
(443.74mm)
15.48"
(393.19mm)
1.99"
(50.55mm)
89th Driest Driest since: 2003 1936
37th Wettest Wettest since: 2001 1993
Mar–Jul 2004
5-Month
21.22"
(538.99mm)
17.43"
(442.72mm)
3.79"
(96.27mm)
104th Driest Driest since: 2003 1936
22nd Wettest Wettest since: 1999 1993
Feb–Jul 2004
6-Month
22.39"
(568.71mm)
18.45"
(468.63mm)
3.94"
(100.08mm)
104th Driest Driest since: 2003 1988
22nd Wettest Wettest since: 1999 1993
Jan–Jul 2004
7-Month
23.35"
(593.09mm)
19.43"
(493.52mm)
3.92"
(99.57mm)
104th Driest Driest since: 2003 1988
22nd Wettest Wettest since: 1999 1993
Dec 2003–Jul 2004
8-Month
24.63"
(625.60mm)
20.53"
(521.46mm)
4.10"
(104.14mm)
104th Driest Driest since: 2003 1988
21st Wettest Wettest since: 1999 1993
Nov 2003–Jul 2004
9-Month
28.09"
(713.49mm)
22.27"
(565.66mm)
5.82"
(147.83mm)
114th Driest Driest since: 2003 1934
11th Wettest Wettest since: 1993 1993
Oct 2003–Jul 2004
10-Month
29.09"
(738.89mm)
24.58"
(624.33mm)
4.51"
(114.56mm)
102nd Driest Driest since: 2003 1934
23rd Wettest Wettest since: 1999 1993
Sep 2003–Jul 2004
11-Month
32.20"
(817.88mm)
28.28"
(718.31mm)
3.92"
(99.57mm)
99th Driest Driest since: 2003 1988
26th Wettest Wettest since: 1999 1993
Aug 2003–Jul 2004
12-Month
33.23"
(844.04mm)
32.14"
(816.36mm)
1.09"
(27.68mm)
71st Driest Driest since: 2003 1956
54th Wettest Wettest since: 1999 2008
Feb 2003–Jul 2004
18-Month
51.65"
(1,311.91mm)
50.60"
(1,285.24mm)
1.05"
(26.67mm)
68th Driest Driest since: 2003 1911
57th Wettest Wettest since: 2001 2008
Aug 2002–Jul 2004
24-Month
63.60"
(1,615.44mm)
64.31"
(1,633.47mm)
-0.71"
(-18.03mm)
60th Driest Driest since: 2003 1934
64th Wettest Wettest since: 2000 2008
Aug 2001–Jul 2004
36-Month
93.40"
(2,372.36mm)
96.40"
(2,448.56mm)
-3.00"
(-76.20mm)
44th Driest Driest since: 2003 1956
79th Wettest Wettest since: 2001 2010
Aug 2000–Jul 2004
48-Month
126.46"
(3,212.08mm)
128.38"
(3,260.85mm)
-1.92"
(-48.77mm)
50th Driest Driest since: 2003 1957
72nd Wettest Wettest since: 2002 2010
Aug 1999–Jul 2004
60-Month
153.29"
(3,893.57mm)
160.37"
(4,073.40mm)
-7.08"
(-179.83mm)
27th Driest Driest since: 1989 1957
94th Wettest Wettest since: 2003 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 17, 2019 from https://www.ncdc.noaa.gov/cag/