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


Iowa

Precipitation Rankings, May 2011

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 2011
1-Month
5.00"
(127.00mm)
4.05"
(102.87mm)
0.95"
(24.13mm)
95th Driest Driest since: 2010 1934
32nd Wettest Wettest since: 2008 2013
Apr–May 2011
2-Month
8.81"
(223.77mm)
6.99"
(177.55mm)
1.82"
(46.22mm)
93rd Driest Driest since: 2010 1934
34th Wettest Wettest since: 2008 2013
Mar–May 2011
3-Month
10.31"
(261.87mm)
8.95"
(227.33mm)
1.36"
(34.54mm)
88th Driest Driest since: 2010 1934
39th Wettest Wettest since: 2008 2013
Feb–May 2011
4-Month
11.70"
(297.18mm)
9.96"
(252.98mm)
1.74"
(44.20mm)
90th Driest Driest since: 2010 1934
37th Wettest Wettest since: 2008 2013
Jan–May 2011
5-Month
12.64"
(321.06mm)
10.94"
(277.88mm)
1.70"
(43.18mm)
90th Driest Driest since: 2010 1934
37th Wettest Wettest since: 2008 2013
Dec 2010–May 2011
6-Month
13.87"
(352.30mm)
12.04"
(305.82mm)
1.83"
(46.48mm)
89th Driest Driest since: 2009 1934
37th Wettest Wettest since: 2010 2013
Nov 2010–May 2011
7-Month
15.51"
(393.95mm)
13.78"
(350.01mm)
1.73"
(43.94mm)
83rd Driest Driest since: 2009 1934
43rd Wettest Wettest since: 2010 2013
Oct 2010–May 2011
8-Month
16.42"
(417.07mm)
16.10"
(408.94mm)
0.32"
(8.13mm)
62nd Driest Driest since: 2006 1934
64th Wettest Wettest since: 2010 2019
Sep 2010–May 2011
9-Month
21.82"
(554.23mm)
19.79"
(502.67mm)
2.03"
(51.56mm)
84th Driest Driest since: 2006 1934
42nd Wettest Wettest since: 2010 2019
Ties: 1965
Aug 2010–May 2011
10-Month
26.65"
(676.91mm)
23.65"
(600.71mm)
3.00"
(76.20mm)
95th Driest Driest since: 2009 1934
31st Wettest Wettest since: 2010 2019
Jul 2010–May 2011
11-Month
34.54"
(877.32mm)
27.54"
(699.52mm)
7.00"
(177.80mm)
114th Driest Driest since: 2010 1934
12th Wettest Wettest since: 2008 2019
Jun 2010–May 2011
12-Month
44.82"
(1,138.43mm)
32.14"
(816.36mm)
12.68"
(322.07mm)
123rd Driest Driest since: 2010 1934
3rd Wettest Wettest since: 1903 2019
Dec 2009–May 2011
18-Month
59.23"
(1,504.44mm)
44.20"
(1,122.68mm)
15.03"
(381.76mm)
122nd Driest Driest since: 2010 1934
3rd Wettest Wettest since: 2008 2019
Jun 2009–May 2011
24-Month
84.16"
(2,137.66mm)
64.29"
(1,632.97mm)
19.87"
(504.69mm)
123rd Driest Driest since: 2010 1957
2nd Wettest Wettest to Date 2020
Jun 2008–May 2011
36-Month
123.58"
(3,138.93mm)
96.33"
(2,446.78mm)
27.25"
(692.15mm)
123rd Driest Driest since: 2010 1958
1st Wettest Wettest to Date 2011
Jun 2007–May 2011
48-Month
165.80"
(4,211.32mm)
128.31"
(3,259.07mm)
37.49"
(952.25mm)
122nd Driest Driest since: 2010 1957
1st Wettest Wettest to Date 2011
Jun 2006–May 2011
60-Month
202.35"
(5,139.69mm)
160.32"
(4,072.13mm)
42.03"
(1,067.56mm)
120th Driest Driest since: 2010 1958
2nd Wettest Wettest to Date 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 12, 2020 from https://www.ncdc.noaa.gov/cag/