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 1940

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 1940
1-Month
3.67"
(93.22mm)
4.63"
(117.60mm)
-0.96"
(-24.38mm)
39th Driest Driest since: 1936 1933
87th Wettest Wettest since: 1939 2010
May–Jun 1940
2-Month
5.69"
(144.53mm)
8.68"
(220.47mm)
-2.99"
(-75.94mm)
11th Driest Driest since: 1936 1988
115th Wettest Wettest since: 1939 2008
Apr–Jun 1940
3-Month
8.84"
(224.54mm)
11.62"
(295.15mm)
-2.78"
(-70.61mm)
21st Driest Driest since: 1936 1988
105th Wettest Wettest since: 1939 2008
Mar–Jun 1940
4-Month
10.54"
(267.72mm)
13.58"
(344.93mm)
-3.04"
(-77.21mm)
18th Driest Driest since: 1936 1988
108th Wettest Wettest since: 1939 2013
Ties: 1901
Feb–Jun 1940
5-Month
11.65"
(295.91mm)
14.59"
(370.59mm)
-2.94"
(-74.68mm)
18th Driest Driest since: 1936 1988
108th Wettest Wettest since: 1939 2008
Jan–Jun 1940
6-Month
12.46"
(316.48mm)
15.57"
(395.48mm)
-3.11"
(-79.00mm)
20th Driest Driest since: 1936 1988
106th Wettest Wettest since: 1939 2013
Dec 1939–Jun 1940
7-Month
13.06"
(331.72mm)
16.67"
(423.42mm)
-3.61"
(-91.70mm)
15th Driest Driest since: 1936 1934
110th Wettest Wettest since: 1939 2008
Nov 1939–Jun 1940
8-Month
13.55"
(344.17mm)
18.41"
(467.61mm)
-4.86"
(-123.44mm)
9th Driest Driest since: 1934 1934
116th Wettest Wettest since: 1939 1993
Oct 1939–Jun 1940
9-Month
15.03"
(381.76mm)
20.73"
(526.54mm)
-5.70"
(-144.78mm)
8th Driest Driest since: 1934 1934
117th Wettest Wettest since: 1939 2010
Sep 1939–Jun 1940
10-Month
15.87"
(403.10mm)
24.42"
(620.27mm)
-8.55"
(-217.17mm)
4th Driest Driest since: 1934 1934
121st Wettest Wettest since: 1939 2019
Aug 1939–Jun 1940
11-Month
20.54"
(521.72mm)
28.29"
(718.57mm)
-7.75"
(-196.85mm)
5th Driest Driest since: 1934 1956
120th Wettest Wettest since: 1939 2008
Jul 1939–Jun 1940
12-Month
23.74"
(603.00mm)
32.17"
(817.12mm)
-8.43"
(-214.12mm)
5th Driest Driest since: 1934 1977
120th Wettest Wettest since: 1939 2008
Jan 1939–Jun 1940
18-Month
36.96"
(938.78mm)
47.72"
(1,212.09mm)
-10.76"
(-273.31mm)
6th Driest Driest since: 1934 1989
119th Wettest Wettest since: 1939 2008
Jul 1938–Jun 1940
24-Month
55.22"
(1,402.59mm)
64.31"
(1,633.47mm)
-9.09"
(-230.88mm)
11th Driest Driest since: 1934 1934
113th Wettest Wettest since: 1939 1994
Jul 1937–Jun 1940
36-Month
84.99"
(2,158.75mm)
96.40"
(2,448.56mm)
-11.41"
(-289.81mm)
9th Driest Driest since: 1936 1958
114th Wettest Wettest since: 1939 2010
Jul 1936–Jun 1940
48-Month
115.59"
(2,935.99mm)
128.38"
(3,260.85mm)
-12.79"
(-324.86mm)
8th Driest Driest since: 1937 1958
114th Wettest Wettest since: 1939 2011
Jul 1935–Jun 1940
60-Month
141.71"
(3,599.43mm)
160.40"
(4,074.16mm)
-18.69"
(-474.73mm)
7th Driest Driest since: 1937 1958
114th Wettest Wettest since: 1939 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2019, retrieved on August 23, 2019 from https://www.ncdc.noaa.gov/cag/