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 August 2022. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, July 2011

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
July 2011
1-Month
3.40"
(86.36mm)
3.86"
(98.04mm)
-0.46"
(-11.68mm)
61st Driest Driest since: 2007 1936
68th Wettest Wettest since: 2010 1993
Ties: 1965
Jun–Jul 2011
2-Month
9.59"
(243.59mm)
8.49"
(215.65mm)
1.10"
(27.94mm)
93rd Driest Driest since: 2007 1936
36th Wettest Wettest since: 2010 1993
May–Jul 2011
3-Month
14.59"
(370.59mm)
12.53"
(318.26mm)
2.06"
(52.33mm)
93rd Driest Driest since: 2009 1988
36th Wettest Wettest since: 2010 1993
Apr–Jul 2011
4-Month
18.40"
(467.36mm)
15.48"
(393.19mm)
2.92"
(74.17mm)
103rd Driest Driest since: 2009 1936
26th Wettest Wettest since: 2010 1993
Mar–Jul 2011
5-Month
19.90"
(505.46mm)
17.43"
(442.72mm)
2.47"
(62.74mm)
97th Driest Driest since: 2007 1936
32nd Wettest Wettest since: 2010 1993
Feb–Jul 2011
6-Month
21.29"
(540.77mm)
18.45"
(468.63mm)
2.84"
(72.14mm)
99th Driest Driest since: 2009 1988
30th Wettest Wettest since: 2010 1993
Ties: 2001
Jan–Jul 2011
7-Month
22.23"
(564.64mm)
19.43"
(493.52mm)
2.80"
(71.12mm)
99th Driest Driest since: 2009 1988
30th Wettest Wettest since: 2010 1993
Dec 2010–Jul 2011
8-Month
23.46"
(595.88mm)
20.53"
(521.46mm)
2.93"
(74.42mm)
95th Driest Driest since: 2006 1988
33rd Wettest Wettest since: 2010 1993
Nov 2010–Jul 2011
9-Month
25.10"
(637.54mm)
22.27"
(565.66mm)
2.83"
(71.88mm)
92nd Driest Driest since: 2006 1934
36th Wettest Wettest since: 2010 1993
Oct 2010–Jul 2011
10-Month
26.01"
(660.65mm)
24.58"
(624.33mm)
1.43"
(36.32mm)
78th Driest Driest since: 2006 1934
50th Wettest Wettest since: 2010 1993
Sep 2010–Jul 2011
11-Month
31.41"
(797.81mm)
28.28"
(718.31mm)
3.13"
(79.50mm)
93rd Driest Driest since: 2006 1988
35th Wettest Wettest since: 2010 1993
Aug 2010–Jul 2011
12-Month
36.24"
(920.50mm)
32.14"
(816.36mm)
4.10"
(104.14mm)
100th Driest Driest since: 2009 1956
28th Wettest Wettest since: 2010 2008
Feb 2010–Jul 2011
18-Month
64.98"
(1,650.49mm)
50.60"
(1,285.24mm)
14.38"
(365.25mm)
122nd Driest Driest since: 2009 1911
6th Wettest Wettest since: 2010 2008
Aug 2009–Jul 2011
24-Month
83.84"
(2,129.54mm)
64.31"
(1,633.47mm)
19.53"
(496.07mm)
123rd Driest Driest since: 2010 1934
4th Wettest Wettest since: 2009 2008
Aug 2008–Jul 2011
36-Month
118.41"
(3,007.61mm)
96.40"
(2,448.56mm)
22.01"
(559.05mm)
122nd Driest Driest since: 2008 1956
4th Wettest Wettest since: 2010 2010
Aug 2007–Jul 2011
48-Month
168.63"
(4,283.20mm)
128.38"
(3,260.85mm)
40.25"
(1,022.35mm)
123rd Driest Driest since: 2009 1957
2nd Wettest Wettest since: 2010 2010
Aug 2006–Jul 2011
60-Month
206.23"
(5,238.24mm)
160.37"
(4,073.40mm)
45.86"
(1,164.84mm)
123rd Driest Driest since: 2010 1957
1st Wettest Wettest to Date 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on September 24, 2022 from https://www.ncdc.noaa.gov/cag/