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 1911

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1911
1-Month
3.92"
(99.57mm)
4.05"
(102.87mm)
-0.13"
(-3.30mm)
61st Driest Driest since: 1910 1934
65th Wettest Wettest since: 1909 2013
Ties: 1932
Apr–May 1911
2-Month
6.98"
(177.29mm)
6.99"
(177.55mm)
-0.01"
(-0.26mm)
57th Driest Driest since: 1910 1934
69th Wettest Wettest since: 1909 2013
Mar–May 1911
3-Month
7.85"
(199.39mm)
8.95"
(227.33mm)
-1.10"
(-27.94mm)
37th Driest Driest since: 1910 1934
89th Wettest Wettest since: 1909 2013
Feb–May 1911
4-Month
10.61"
(269.49mm)
9.96"
(252.98mm)
0.65"
(16.51mm)
77th Driest Driest since: 1910 1934
49th Wettest Wettest since: 1909 2013
Jan–May 1911
5-Month
11.48"
(291.59mm)
10.94"
(277.88mm)
0.54"
(13.71mm)
70th Driest Driest since: 1910 1934
56th Wettest Wettest since: 1909 2013
Dec 1910–May 1911
6-Month
11.85"
(300.99mm)
12.04"
(305.82mm)
-0.19"
(-4.83mm)
61st Driest Driest since: 1910 1934
64th Wettest Wettest since: 1909 2013
Nov 1910–May 1911
7-Month
12.19"
(309.63mm)
13.78"
(350.01mm)
-1.59"
(-40.38mm)
35th Driest Driest since: 1907 1934
90th Wettest Wettest since: 1910 2013
Oct 1910–May 1911
8-Month
13.01"
(330.45mm)
16.10"
(408.94mm)
-3.09"
(-78.49mm)
17th Driest Driest to Date 1934
108th Wettest Wettest since: 1910 2019
Sep 1910–May 1911
9-Month
16.75"
(425.45mm)
19.79"
(502.67mm)
-3.04"
(-77.22mm)
30th Driest Driest since: 1900 1934
95th Wettest Wettest since: 1910 2019
Aug 1910–May 1911
10-Month
20.84"
(529.34mm)
23.65"
(600.71mm)
-2.81"
(-71.37mm)
31st Driest Driest since: 1902 1934
94th Wettest Wettest since: 1910 2019
Jul 1910–May 1911
11-Month
22.69"
(576.33mm)
27.54"
(699.52mm)
-4.85"
(-123.19mm)
22nd Driest Driest since: 1902 1934
103rd Wettest Wettest since: 1910 2019
Jun 1910–May 1911
12-Month
24.70"
(627.38mm)
32.14"
(816.36mm)
-7.44"
(-188.98mm)
6th Driest Driest to Date 1934
119th Wettest Wettest since: 1910 2019
Dec 1909–May 1911
18-Month
33.86"
(860.04mm)
44.20"
(1,122.68mm)
-10.34"
(-262.64mm)
4th Driest Driest to Date 1934
120th Wettest Wettest since: 1910 2019
Jun 1909–May 1911
24-Month
57.76"
(1,467.10mm)
64.29"
(1,632.97mm)
-6.53"
(-165.87mm)
21st Driest Driest since: 1900 1957
103rd Wettest Wettest since: 1910 2011
Ties: 1978
Jun 1908–May 1911
36-Month
91.97"
(2,336.04mm)
96.33"
(2,446.78mm)
-4.36"
(-110.74mm)
37th Driest Driest since: 1902 1958
86th Wettest Wettest since: 1910 2011
Jun 1907–May 1911
48-Month
129.21"
(3,281.93mm)
128.31"
(3,259.07mm)
0.90"
(22.86mm)
63rd Driest Driest since: 1907 1957
59th Wettest Wettest since: 1910 2011
Jun 1906–May 1911
60-Month
158.22"
(4,018.79mm)
160.32"
(4,072.13mm)
-2.10"
(-53.34mm)
47th Driest Driest since: 1902 1958
74th Wettest Wettest since: 1910 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 21, 2019 from https://www.ncdc.noaa.gov/cag/