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 1964

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 1964
1-Month
4.01"
(101.85mm)
4.05"
(102.87mm)
-0.04"
(-1.02mm)
65th Driest Driest since: 1963 1934
61st Wettest Wettest since: 1962 2013
Apr–May 1964
2-Month
9.14"
(232.16mm)
6.99"
(177.55mm)
2.15"
(54.61mm)
98th Driest Driest since: 1963 1934
28th Wettest Wettest since: 1960 2013
Ties: 1947
Mar–May 1964
3-Month
10.63"
(270.00mm)
8.95"
(227.33mm)
1.68"
(42.67mm)
91st Driest Driest since: 1963 1934
35th Wettest Wettest since: 1960 2013
Feb–May 1964
4-Month
10.94"
(277.88mm)
9.96"
(252.98mm)
0.98"
(24.90mm)
83rd Driest Driest since: 1963 1934
43rd Wettest Wettest since: 1962 2013
Jan–May 1964
5-Month
11.34"
(288.04mm)
10.94"
(277.88mm)
0.40"
(10.16mm)
69th Driest Driest since: 1963 1934
57th Wettest Wettest since: 1962 2013
Dec 1963–May 1964
6-Month
11.83"
(300.48mm)
12.04"
(305.82mm)
-0.21"
(-5.34mm)
58th Driest Driest since: 1963 1934
67th Wettest Wettest since: 1962 2013
Nov 1963–May 1964
7-Month
13.18"
(334.77mm)
13.78"
(350.01mm)
-0.60"
(-15.24mm)
50th Driest Driest since: 1963 1934
75th Wettest Wettest since: 1962 2013
Oct 1963–May 1964
8-Month
14.26"
(362.20mm)
16.10"
(408.94mm)
-1.84"
(-46.74mm)
31st Driest Driest since: 1963 1934
94th Wettest Wettest since: 1962 2019
Ties: 2003
Sep 1963–May 1964
9-Month
16.73"
(424.94mm)
19.79"
(502.67mm)
-3.06"
(-77.73mm)
28th Driest Driest since: 1963 1934
97th Wettest Wettest since: 1962 2019
Aug 1963–May 1964
10-Month
20.53"
(521.46mm)
23.65"
(600.71mm)
-3.12"
(-79.25mm)
27th Driest Driest since: 1963 1934
98th Wettest Wettest since: 1962 2019
Jul 1963–May 1964
11-Month
26.04"
(661.42mm)
27.54"
(699.52mm)
-1.50"
(-38.10mm)
46th Driest Driest since: 1961 1934
79th Wettest Wettest since: 1963 2019
Ties: 1961
Jun 1963–May 1964
12-Month
28.70"
(728.98mm)
32.14"
(816.36mm)
-3.44"
(-87.38mm)
24th Driest Driest since: 1958 1934
101st Wettest Wettest since: 1963 2019
Dec 1962–May 1964
18-Month
38.86"
(987.04mm)
44.20"
(1,122.68mm)
-5.34"
(-135.64mm)
22nd Driest Driest since: 1958 1934
102nd Wettest Wettest since: 1963 2019
Jun 1962–May 1964
24-Month
57.86"
(1,469.64mm)
64.29"
(1,632.97mm)
-6.43"
(-163.33mm)
23rd Driest Driest since: 1958 1957
101st Wettest Wettest since: 1963 2011
Jun 1961–May 1964
36-Month
96.21"
(2,443.73mm)
96.33"
(2,446.78mm)
-0.12"
(-3.05mm)
60th Driest Driest since: 1959 1958
63rd Wettest Wettest since: 1963 2011
Jun 1960–May 1964
48-Month
126.54"
(3,214.12mm)
128.31"
(3,259.07mm)
-1.77"
(-44.95mm)
53rd Driest Driest since: 1960 1957
69th Wettest Wettest since: 1963 2011
Jun 1959–May 1964
60-Month
162.87"
(4,136.90mm)
160.32"
(4,072.13mm)
2.55"
(64.77mm)
72nd Driest Driest since: 1961 1958
49th Wettest Wettest since: 1963 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 13, 2019 from https://www.ncdc.noaa.gov/cag/