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 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, June 1939

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
June 1939
1-Month
4.92"
(124.97mm)
4.63"
(117.60mm)
0.29"
(7.37mm)
74th Driest Driest since: 1938 1933
52nd Wettest Wettest since: 1935 2010
May–Jun 1939
2-Month
6.96"
(176.78mm)
8.68"
(220.47mm)
-1.72"
(-43.69mm)
31st Driest Driest since: 1936 1988
95th Wettest Wettest since: 1938 2008
Ties: 1927
Apr–Jun 1939
3-Month
8.96"
(227.58mm)
11.62"
(295.15mm)
-2.66"
(-67.57mm)
23rd Driest Driest since: 1936 1988
103rd Wettest Wettest since: 1938 2008
Mar–Jun 1939
4-Month
10.59"
(268.99mm)
13.58"
(344.93mm)
-2.99"
(-75.94mm)
20th Driest Driest since: 1936 1988
106th Wettest Wettest since: 1938 2013
Feb–Jun 1939
5-Month
12.36"
(313.94mm)
14.59"
(370.59mm)
-2.23"
(-56.65mm)
25th Driest Driest since: 1936 1988
101st Wettest Wettest since: 1938 2008
Jan–Jun 1939
6-Month
13.22"
(335.79mm)
15.57"
(395.48mm)
-2.35"
(-59.69mm)
26th Driest Driest since: 1936 1988
100th Wettest Wettest since: 1938 2013
Dec 1938–Jun 1939
7-Month
13.91"
(353.31mm)
16.67"
(423.42mm)
-2.76"
(-70.11mm)
23rd Driest Driest since: 1936 1934
102nd Wettest Wettest since: 1938 2008
Nov 1938–Jun 1939
8-Month
16.61"
(421.89mm)
18.41"
(467.61mm)
-1.80"
(-45.72mm)
33rd Driest Driest since: 1936 1934
92nd Wettest Wettest since: 1938 1993
Oct 1938–Jun 1939
9-Month
17.46"
(443.48mm)
20.73"
(526.54mm)
-3.27"
(-83.06mm)
19th Driest Driest since: 1936 1934
106th Wettest Wettest since: 1938 2010
Sep 1938–Jun 1939
10-Month
23.41"
(594.61mm)
24.42"
(620.27mm)
-1.01"
(-25.66mm)
48th Driest Driest since: 1938 1934
77th Wettest Wettest since: 1937 2019
Aug 1938–Jun 1939
11-Month
26.91"
(683.51mm)
28.29"
(718.57mm)
-1.38"
(-35.06mm)
45th Driest Driest since: 1936 1956
80th Wettest Wettest since: 1938 2008
Jul 1938–Jun 1939
12-Month
31.48"
(799.59mm)
32.17"
(817.12mm)
-0.69"
(-17.53mm)
60th Driest Driest since: 1938 1977
65th Wettest Wettest since: 1935 2008
Jan 1938–Jun 1939
18-Month
49.54"
(1,258.32mm)
47.72"
(1,212.09mm)
1.82"
(46.23mm)
72nd Driest Driest since: 1938 1989
53rd Wettest Wettest since: 1932 2008
Jul 1937–Jun 1939
24-Month
61.25"
(1,555.75mm)
64.31"
(1,633.47mm)
-3.06"
(-77.72mm)
36th Driest Driest since: 1938 1934
88th Wettest Wettest since: 1936 1994
Jul 1936–Jun 1939
36-Month
91.85"
(2,332.99mm)
96.40"
(2,448.56mm)
-4.55"
(-115.57mm)
36th Driest Driest since: 1938 1958
87th Wettest Wettest since: 1937 2010
Jul 1935–Jun 1939
48-Month
117.97"
(2,996.44mm)
128.38"
(3,260.85mm)
-10.41"
(-264.41mm)
14th Driest Driest since: 1937 1958
108th Wettest Wettest since: 1938 2011
Jul 1934–Jun 1939
60-Month
154.03"
(3,912.36mm)
160.40"
(4,074.16mm)
-6.37"
(-161.80mm)
27th Driest Driest since: 1938 1958
94th Wettest Wettest since: 1933 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2019, retrieved on August 20, 2019 from https://www.ncdc.noaa.gov/cag/