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 2020. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, May 1937

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1937
1-Month
3.97"
(100.84mm)
4.05"
(102.87mm)
-0.08"
(-2.03mm)
63rd Driest Driest since: 1936 1934
64th Wettest Wettest since: 1935 2013
Ties: 1987
Apr–May 1937
2-Month
7.16"
(181.86mm)
6.99"
(177.55mm)
0.17"
(4.31mm)
62nd Driest Driest since: 1936 1934
65th Wettest Wettest since: 1927 2013
Mar–May 1937
3-Month
8.81"
(223.77mm)
8.95"
(227.33mm)
-0.14"
(-3.56mm)
58th Driest Driest since: 1936 1934
69th Wettest Wettest since: 1927 2013
Feb–May 1937
4-Month
9.83"
(249.68mm)
9.96"
(252.98mm)
-0.13"
(-3.30mm)
57th Driest Driest since: 1936 1934
70th Wettest Wettest since: 1927 2013
Ties: 2003
Jan–May 1937
5-Month
12.07"
(306.58mm)
10.94"
(277.88mm)
1.13"
(28.70mm)
87th Driest Driest since: 1936 1934
40th Wettest Wettest since: 1927 2013
Dec 1936–May 1937
6-Month
13.58"
(344.93mm)
12.04"
(305.82mm)
1.54"
(39.11mm)
84th Driest Driest since: 1936 1934
42nd Wettest Wettest since: 1927 2013
Nov 1936–May 1937
7-Month
14.24"
(361.70mm)
13.78"
(350.01mm)
0.46"
(11.69mm)
64th Driest Driest since: 1936 1934
62nd Wettest Wettest since: 1935 2013
Oct 1936–May 1937
8-Month
15.84"
(402.34mm)
16.10"
(408.94mm)
-0.26"
(-6.60mm)
54th Driest Driest since: 1936 1934
72nd Wettest Wettest since: 1935 2019
Sep 1936–May 1937
9-Month
22.83"
(579.88mm)
19.79"
(502.67mm)
3.04"
(77.21mm)
96th Driest Driest since: 1936 1934
30th Wettest Wettest since: 1932 2019
Aug 1936–May 1937
10-Month
26.32"
(668.53mm)
23.65"
(600.71mm)
2.67"
(67.82mm)
93rd Driest Driest since: 1936 1934
33rd Wettest Wettest since: 1932 2019
Jul 1936–May 1937
11-Month
26.88"
(682.75mm)
27.54"
(699.52mm)
-0.66"
(-16.77mm)
59th Driest Driest since: 1936 1934
67th Wettest Wettest since: 1935 2019
Jun 1936–May 1937
12-Month
29.74"
(755.40mm)
32.14"
(816.36mm)
-2.40"
(-60.96mm)
39th Driest Driest since: 1934 1934
87th Wettest Wettest since: 1936 2019
Dec 1935–May 1937
18-Month
38.55"
(979.17mm)
44.20"
(1,122.68mm)
-5.65"
(-143.51mm)
18th Driest Driest since: 1935 1934
107th Wettest Wettest since: 1936 2019
Jun 1935–May 1937
24-Month
59.99"
(1,523.75mm)
64.29"
(1,632.97mm)
-4.30"
(-109.22mm)
31st Driest Driest since: 1935 1957
94th Wettest Wettest since: 1936 2020
Jun 1934–May 1937
36-Month
92.51"
(2,349.75mm)
96.33"
(2,446.78mm)
-3.82"
(-97.03mm)
41st Driest Driest since: 1936 1958
83rd Wettest Wettest since: 1933 2011
Jun 1933–May 1937
48-Month
111.67"
(2,836.42mm)
128.31"
(3,259.07mm)
-16.64"
(-422.65mm)
5th Driest Driest to Date 1957
118th Wettest Wettest since: 1936 2011
Jun 1932–May 1937
60-Month
143.11"
(3,634.99mm)
160.32"
(4,072.13mm)
-17.21"
(-437.14mm)
6th Driest Driest since: 1934 1958
116th Wettest Wettest since: 1936 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 6, 2020 from https://www.ncdc.noaa.gov/cag/