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 1928

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 1928
1-Month
2.49"
(63.25mm)
4.05"
(102.87mm)
-1.56"
(-39.62mm)
17th Driest Driest since: 1925 1934
109th Wettest Wettest since: 1927 2013
Apr–May 1928
2-Month
4.68"
(118.87mm)
6.99"
(177.55mm)
-2.31"
(-58.68mm)
15th Driest Driest since: 1926 1934
111th Wettest Wettest since: 1927 2013
Mar–May 1928
3-Month
6.13"
(155.70mm)
8.95"
(227.33mm)
-2.82"
(-71.63mm)
14th Driest Driest since: 1926 1934
112th Wettest Wettest since: 1927 2013
Feb–May 1928
4-Month
8.06"
(204.72mm)
9.96"
(252.98mm)
-1.90"
(-48.26mm)
24th Driest Driest since: 1926 1934
102nd Wettest Wettest since: 1927 2013
Jan–May 1928
5-Month
8.22"
(208.79mm)
10.94"
(277.88mm)
-2.72"
(-69.09mm)
16th Driest Driest since: 1926 1934
110th Wettest Wettest since: 1927 2013
Dec 1927–May 1928
6-Month
9.27"
(235.46mm)
12.04"
(305.82mm)
-2.77"
(-70.36mm)
16th Driest Driest since: 1926 1934
109th Wettest Wettest since: 1927 2013
Nov 1927–May 1928
7-Month
10.20"
(259.08mm)
13.78"
(350.01mm)
-3.58"
(-90.93mm)
13th Driest Driest since: 1926 1934
112th Wettest Wettest since: 1927 2013
Oct 1927–May 1928
8-Month
13.41"
(340.61mm)
16.10"
(408.94mm)
-2.69"
(-68.33mm)
20th Driest Driest since: 1926 1934
105th Wettest Wettest since: 1927 2019
Sep 1927–May 1928
9-Month
18.17"
(461.52mm)
19.79"
(502.67mm)
-1.62"
(-41.15mm)
41st Driest Driest since: 1926 1934
84th Wettest Wettest since: 1927 2019
Aug 1927–May 1928
10-Month
20.57"
(522.48mm)
23.65"
(600.71mm)
-3.08"
(-78.23mm)
29th Driest Driest since: 1926 1934
96th Wettest Wettest since: 1927 2019
Jul 1927–May 1928
11-Month
22.49"
(571.25mm)
27.54"
(699.52mm)
-5.05"
(-128.27mm)
20th Driest Driest since: 1926 1934
105th Wettest Wettest since: 1927 2019
Jun 1927–May 1928
12-Month
24.73"
(628.14mm)
32.14"
(816.36mm)
-7.41"
(-188.22mm)
7th Driest Driest since: 1911 1934
118th Wettest Wettest since: 1927 2019
Dec 1926–May 1928
18-Month
38.57"
(979.68mm)
44.20"
(1,122.68mm)
-5.63"
(-143.00mm)
20th Driest Driest since: 1926 1934
104th Wettest Wettest since: 1927 2019
Jun 1926–May 1928
24-Month
63.54"
(1,613.92mm)
64.29"
(1,632.97mm)
-0.75"
(-19.05mm)
54th Driest Driest since: 1926 1957
70th Wettest Wettest since: 1927 2011
Jun 1925–May 1928
36-Month
92.36"
(2,345.94mm)
96.33"
(2,446.78mm)
-3.97"
(-100.84mm)
38th Driest Driest since: 1926 1958
85th Wettest Wettest since: 1927 2011
Jun 1924–May 1928
48-Month
121.07"
(3,075.18mm)
128.31"
(3,259.07mm)
-7.24"
(-183.89mm)
24th Driest Driest since: 1926 1957
98th Wettest Wettest since: 1927 2011
Jun 1923–May 1928
60-Month
149.48"
(3,796.79mm)
160.32"
(4,072.13mm)
-10.84"
(-275.34mm)
17th Driest Driest since: 1926 1958
104th Wettest Wettest since: 1927 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/