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 1905

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 1905
1-Month
6.09"
(154.69mm)
4.05"
(102.87mm)
2.04"
(51.82mm)
109th Driest Driest since: 1904 1934
17th Wettest Wettest since: 1903 2013
Apr–May 1905
2-Month
9.02"
(229.11mm)
6.99"
(177.55mm)
2.03"
(51.56mm)
95th Driest Driest since: 1904 1934
31st Wettest Wettest since: 1903 2013
Mar–May 1905
3-Month
11.10"
(281.94mm)
8.95"
(227.33mm)
2.15"
(54.61mm)
95th Driest Driest since: 1904 1934
31st Wettest Wettest since: 1903 2013
Feb–May 1905
4-Month
12.64"
(321.06mm)
9.96"
(252.98mm)
2.68"
(68.08mm)
100th Driest Driest since: 1904 1934
26th Wettest Wettest since: 1903 2013
Jan–May 1905
5-Month
13.61"
(345.69mm)
10.94"
(277.88mm)
2.67"
(67.81mm)
97th Driest Driest since: 1904 1934
29th Wettest Wettest since: 1903 2013
Dec 1904–May 1905
6-Month
14.99"
(380.75mm)
12.04"
(305.82mm)
2.95"
(74.93mm)
97th Driest Driest since: 1904 1934
28th Wettest Wettest since: 1903 2013
Nov 1904–May 1905
7-Month
15.15"
(384.81mm)
13.78"
(350.01mm)
1.37"
(34.80mm)
78th Driest Driest since: 1904 1934
47th Wettest Wettest since: 1903 2013
Oct 1904–May 1905
8-Month
16.85"
(427.99mm)
16.10"
(408.94mm)
0.75"
(19.05mm)
70th Driest Driest since: 1904 1934
55th Wettest Wettest since: 1903 2019
Sep 1904–May 1905
9-Month
19.69"
(500.13mm)
19.79"
(502.67mm)
-0.10"
(-2.54mm)
61st Driest Driest since: 1904 1934
64th Wettest Wettest since: 1903 2019
Aug 1904–May 1905
10-Month
23.10"
(586.74mm)
23.65"
(600.71mm)
-0.55"
(-13.97mm)
55th Driest Driest since: 1902 1934
70th Wettest Wettest since: 1904 2019
Jul 1904–May 1905
11-Month
27.38"
(695.45mm)
27.54"
(699.52mm)
-0.16"
(-4.07mm)
63rd Driest Driest since: 1902 1934
62nd Wettest Wettest since: 1904 2019
Jun 1904–May 1905
12-Month
30.68"
(779.27mm)
32.14"
(816.36mm)
-1.46"
(-37.09mm)
50th Driest Driest since: 1902 1934
75th Wettest Wettest since: 1904 2019
Dec 1903–May 1905
18-Month
41.96"
(1,065.78mm)
44.20"
(1,122.68mm)
-2.24"
(-56.90mm)
42nd Driest Driest since: 1902 1934
82nd Wettest Wettest since: 1904 2019
Jun 1903–May 1905
24-Month
62.70"
(1,592.58mm)
64.29"
(1,632.97mm)
-1.59"
(-40.39mm)
49th Driest Driest since: 1902 1957
75th Wettest Wettest since: 1904 2011
Jun 1902–May 1905
36-Month
110.48"
(2,806.19mm)
96.33"
(2,446.78mm)
14.15"
(359.41mm)
109th Driest Driest since: 1904 1958
14th Wettest Wettest to Date 2011
Jun 1901–May 1905
48-Month
136.80"
(3,474.72mm)
128.31"
(3,259.07mm)
8.49"
(215.65mm)
90th Driest Driest since: 1903 1957
32nd Wettest Wettest since: 1904 2011
Jun 1900–May 1905
60-Month
171.03"
(4,344.16mm)
160.32"
(4,072.13mm)
10.71"
(272.03mm)
89th Driest Driest since: 1904 1958
32nd Wettest Wettest to Date 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 12, 2019 from https://www.ncdc.noaa.gov/cag/