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 September 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, May 1906

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 1906
1-Month
3.42"
(86.87mm)
4.05"
(102.87mm)
-0.63"
(-16.00mm)
45th Driest Driest since: 1901 1934
81st Wettest Wettest since: 1905 2013
Apr–May 1906
2-Month
5.84"
(148.34mm)
6.99"
(177.55mm)
-1.15"
(-29.21mm)
40th Driest Driest since: 1901 1934
86th Wettest Wettest since: 1905 2013
Mar–May 1906
3-Month
8.16"
(207.26mm)
8.95"
(227.33mm)
-0.79"
(-20.07mm)
42nd Driest Driest since: 1901 1934
84th Wettest Wettest since: 1905 2013
Feb–May 1906
4-Month
9.44"
(239.78mm)
9.96"
(252.98mm)
-0.52"
(-13.20mm)
47th Driest Driest since: 1902 1934
79th Wettest Wettest since: 1905 2013
Jan–May 1906
5-Month
10.98"
(278.89mm)
10.94"
(277.88mm)
0.04"
(1.01mm)
61st Driest Driest since: 1904 1934
65th Wettest Wettest since: 1905 2013
Dec 1905–May 1906
6-Month
11.52"
(292.61mm)
12.04"
(305.82mm)
-0.52"
(-13.21mm)
49th Driest Driest since: 1904 1934
76th Wettest Wettest since: 1905 2013
Nov 1905–May 1906
7-Month
14.43"
(366.52mm)
13.78"
(350.01mm)
0.65"
(16.51mm)
67th Driest Driest since: 1904 1934
58th Wettest Wettest since: 1905 2013
Oct 1905–May 1906
8-Month
17.75"
(450.85mm)
16.10"
(408.94mm)
1.65"
(41.91mm)
83rd Driest Driest since: 1905 1934
42nd Wettest Wettest since: 1903 2019
Sep 1905–May 1906
9-Month
21.31"
(541.27mm)
19.79"
(502.67mm)
1.52"
(38.60mm)
73rd Driest Driest since: 1905 1934
52nd Wettest Wettest since: 1903 2019
Aug 1905–May 1906
10-Month
25.36"
(644.14mm)
23.65"
(600.71mm)
1.71"
(43.43mm)
81st Driest Driest since: 1905 1934
44th Wettest Wettest since: 1903 2019
Jul 1905–May 1906
11-Month
28.48"
(723.39mm)
27.54"
(699.52mm)
0.94"
(23.87mm)
69th Driest Driest since: 1905 1934
56th Wettest Wettest since: 1904 2019
Jun 1905–May 1906
12-Month
33.49"
(850.65mm)
32.14"
(816.36mm)
1.35"
(34.29mm)
74th Driest Driest since: 1905 1934
51st Wettest Wettest since: 1903 2019
Dec 1904–May 1906
18-Month
48.48"
(1,231.39mm)
44.20"
(1,122.68mm)
4.28"
(108.71mm)
93rd Driest Driest since: 1905 1934
31st Wettest Wettest since: 1903 2019
Jun 1904–May 1906
24-Month
64.17"
(1,629.92mm)
64.29"
(1,632.97mm)
-0.12"
(-3.05mm)
57th Driest Driest since: 1905 1957
67th Wettest Wettest since: 1904 2011
Jun 1903–May 1906
36-Month
96.19"
(2,443.23mm)
96.33"
(2,446.78mm)
-0.14"
(-3.55mm)
59th Driest Driest since: 1902 1958
64th Wettest Wettest since: 1905 2011
Jun 1902–May 1906
48-Month
143.97"
(3,656.84mm)
128.31"
(3,259.07mm)
15.66"
(397.77mm)
103rd Driest Driest since: 1905 1957
19th Wettest Wettest to Date 2011
Jun 1901–May 1906
60-Month
170.29"
(4,325.37mm)
160.32"
(4,072.13mm)
9.97"
(253.24mm)
86th Driest Driest since: 1904 1958
35th Wettest Wettest since: 1905 2019

Citing This Page

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