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 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, May 2012

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
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 2012
1-Month
3.51"
(89.15mm)
4.05"
(102.87mm)
-0.54"
(-13.72mm)
47th Driest Driest since: 2006 1934
79th Wettest Wettest since: 2011 2013
Apr–May 2012
2-Month
7.41"
(188.21mm)
6.99"
(177.55mm)
0.42"
(10.66mm)
69th Driest Driest since: 2009 1934
57th Wettest Wettest since: 2011 2013
Mar–May 2012
3-Month
9.32"
(236.73mm)
8.95"
(227.33mm)
0.37"
(9.40mm)
71st Driest Driest since: 2005 1934
55th Wettest Wettest since: 2011 2013
Feb–May 2012
4-Month
11.00"
(279.40mm)
9.96"
(252.98mm)
1.04"
(26.42mm)
85th Driest Driest since: 2010 1934
41st Wettest Wettest since: 2011 2013
Ties: 2009
Jan–May 2012
5-Month
11.57"
(293.88mm)
10.94"
(277.88mm)
0.63"
(16.00mm)
72nd Driest Driest since: 2006 1934
54th Wettest Wettest since: 2011 2013
Dec 2011–May 2012
6-Month
13.65"
(346.71mm)
12.04"
(305.82mm)
1.61"
(40.89mm)
84th Driest Driest since: 2009 1934
41st Wettest Wettest since: 2011 2013
Nov 2011–May 2012
7-Month
15.73"
(399.54mm)
13.78"
(350.01mm)
1.95"
(49.53mm)
90th Driest Driest since: 2011 1934
35th Wettest Wettest since: 2008 2013
Oct 2011–May 2012
8-Month
16.47"
(418.34mm)
16.10"
(408.94mm)
0.37"
(9.40mm)
63rd Driest Driest since: 2011 1934
62nd Wettest Wettest since: 2010 2019
Sep 2011–May 2012
9-Month
18.15"
(461.01mm)
19.79"
(502.67mm)
-1.64"
(-41.66mm)
40th Driest Driest since: 2003 1934
85th Wettest Wettest since: 2011 2019
Aug 2011–May 2012
10-Month
21.17"
(537.72mm)
23.65"
(600.71mm)
-2.48"
(-62.99mm)
35th Driest Driest since: 2000 1934
90th Wettest Wettest since: 2011 2019
Jul 2011–May 2012
11-Month
24.57"
(624.08mm)
27.54"
(699.52mm)
-2.97"
(-75.44mm)
29th Driest Driest since: 2000 1934
96th Wettest Wettest since: 2011 2019
Jun 2011–May 2012
12-Month
30.76"
(781.30mm)
32.14"
(816.36mm)
-1.38"
(-35.06mm)
52nd Driest Driest since: 2006 1934
73rd Wettest Wettest since: 2011 2019
Dec 2010–May 2012
18-Month
44.63"
(1,133.60mm)
44.20"
(1,122.68mm)
0.43"
(10.92mm)
56th Driest Driest since: 2006 1934
68th Wettest Wettest since: 2011 2019
Jun 2010–May 2012
24-Month
75.58"
(1,919.73mm)
64.29"
(1,632.97mm)
11.29"
(286.76mm)
110th Driest Driest since: 2007 1957
14th Wettest Wettest since: 2011 2011
Jun 2009–May 2012
36-Month
114.92"
(2,918.97mm)
96.33"
(2,446.78mm)
18.59"
(472.19mm)
115th Driest Driest since: 2008 1958
8th Wettest Wettest since: 2011 2011
Jun 2008–May 2012
48-Month
154.34"
(3,920.24mm)
128.31"
(3,259.07mm)
26.03"
(661.17mm)
118th Driest Driest since: 2009 1957
4th Wettest Wettest since: 2011 2011
Jun 2007–May 2012
60-Month
196.56"
(4,992.62mm)
160.32"
(4,072.13mm)
36.24"
(920.49mm)
118th Driest Driest since: 2010 1958
3rd Wettest Wettest since: 2011 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2019, retrieved on August 18, 2019 from https://www.ncdc.noaa.gov/cag/