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, June 2018

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
June 2018
1-Month
7.55"
(191.77mm)
4.63"
(117.60mm)
2.92"
(74.17mm)
116th Driest Driest since: 2017 1933
10th Wettest Wettest since: 2014 2010
May–Jun 2018
2-Month
12.25"
(311.15mm)
8.68"
(220.47mm)
3.57"
(90.68mm)
115th Driest Driest since: 2017 1988
11th Wettest Wettest since: 2014 2008
Apr–Jun 2018
3-Month
13.79"
(350.27mm)
11.62"
(295.15mm)
2.17"
(55.12mm)
89th Driest Driest since: 2017 1988
37th Wettest Wettest since: 2015 2008
Mar–Jun 2018
4-Month
16.07"
(408.18mm)
13.58"
(344.93mm)
2.49"
(63.25mm)
95th Driest Driest since: 2017 1988
31st Wettest Wettest since: 2014 2013
Feb–Jun 2018
5-Month
17.61"
(447.29mm)
14.59"
(370.59mm)
3.02"
(76.70mm)
98th Driest Driest since: 2017 1988
28th Wettest Wettest since: 2014 2008
Jan–Jun 2018
6-Month
18.63"
(473.20mm)
15.57"
(395.48mm)
3.06"
(77.72mm)
101st Driest Driest since: 2017 1988
25th Wettest Wettest since: 2014 2013
Dec 2017–Jun 2018
7-Month
19.02"
(483.11mm)
16.67"
(423.42mm)
2.35"
(59.69mm)
86th Driest Driest since: 2017 1934
39th Wettest Wettest since: 2016 2008
Nov 2017–Jun 2018
8-Month
19.43"
(493.52mm)
18.41"
(467.61mm)
1.02"
(25.91mm)
73rd Driest Driest since: 2015 1934
52nd Wettest Wettest since: 2017 1993
Oct 2017–Jun 2018
9-Month
24.69"
(627.13mm)
20.73"
(526.54mm)
3.96"
(100.59mm)
99th Driest Driest since: 2017 1934
26th Wettest Wettest since: 2016 2010
Sep 2017–Jun 2018
10-Month
27.00"
(685.80mm)
24.42"
(620.27mm)
2.58"
(65.53mm)
88th Driest Driest since: 2015 1934
37th Wettest Wettest since: 2017 2019
Aug 2017–Jun 2018
11-Month
30.83"
(783.08mm)
28.29"
(718.57mm)
2.54"
(64.51mm)
87th Driest Driest since: 2014 1956
38th Wettest Wettest since: 2017 2008
Jul 2017–Jun 2018
12-Month
33.77"
(857.76mm)
32.17"
(817.12mm)
1.60"
(40.64mm)
74th Driest Driest since: 2014 1977
51st Wettest Wettest since: 2017 2008
Jan 2017–Jun 2018
18-Month
50.99"
(1,295.15mm)
47.72"
(1,212.09mm)
3.27"
(83.06mm)
84th Driest Driest since: 2013 1989
41st Wettest Wettest since: 2017 2008
Jul 2016–Jun 2018
24-Month
74.09"
(1,881.89mm)
64.31"
(1,633.47mm)
9.78"
(248.42mm)
110th Driest Driest since: 2015 1934
14th Wettest Wettest since: 2017 1994
Jul 2015–Jun 2018
36-Month
114.62"
(2,911.35mm)
96.40"
(2,448.56mm)
18.22"
(462.79mm)
114th Driest Driest since: 2016 1958
9th Wettest Wettest since: 2017 2010
Jul 2014–Jun 2018
48-Month
150.22"
(3,815.59mm)
128.38"
(3,260.85mm)
21.84"
(554.74mm)
116th Driest Driest since: 2017 1958
6th Wettest Wettest since: 2011 2011
Jul 2013–Jun 2018
60-Month
180.47"
(4,583.94mm)
160.40"
(4,074.16mm)
20.07"
(509.78mm)
108th Driest Driest since: 2016 1958
13th Wettest Wettest since: 2017 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 22, 2019 from https://www.ncdc.noaa.gov/cag/