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, July 2017

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
July 2017
1-Month
2.94"
(74.68mm)
3.86"
(98.04mm)
-0.92"
(-23.36mm)
35th Driest Driest since: 2013 1936
91st Wettest Wettest since: 2016 1993
Jun–Jul 2017
2-Month
6.44"
(163.58mm)
8.49"
(215.65mm)
-2.05"
(-52.07mm)
19th Driest Driest since: 2012 1936
107th Wettest Wettest since: 2016 1993
Ties: 1959
May–Jul 2017
3-Month
11.24"
(285.50mm)
12.53"
(318.26mm)
-1.29"
(-32.76mm)
39th Driest Driest since: 2012 1988
87th Wettest Wettest since: 2016 1993
Apr–Jul 2017
4-Month
15.04"
(382.02mm)
15.48"
(393.19mm)
-0.44"
(-11.17mm)
58th Driest Driest since: 2012 1936
68th Wettest Wettest since: 2016 1993
Mar–Jul 2017
5-Month
17.61"
(447.29mm)
17.43"
(442.72mm)
0.18"
(4.57mm)
61st Driest Driest since: 2012 1936
65th Wettest Wettest since: 2016 1993
Feb–Jul 2017
6-Month
18.60"
(472.44mm)
18.45"
(468.63mm)
0.15"
(3.81mm)
59th Driest Driest since: 2012 1988
67th Wettest Wettest since: 2016 1993
Jan–Jul 2017
7-Month
20.16"
(512.06mm)
19.43"
(493.52mm)
0.73"
(18.54mm)
68th Driest Driest since: 2012 1988
58th Wettest Wettest since: 2016 1993
Dec 2016–Jul 2017
8-Month
21.68"
(550.67mm)
20.53"
(521.46mm)
1.15"
(29.21mm)
72nd Driest Driest since: 2012 1988
53rd Wettest Wettest since: 2016 1993
Nov 2016–Jul 2017
9-Month
23.07"
(585.98mm)
22.27"
(565.66mm)
0.80"
(20.32mm)
68th Driest Driest since: 2012 1934
57th Wettest Wettest since: 2016 1993
Oct 2016–Jul 2017
10-Month
25.08"
(637.03mm)
24.58"
(624.33mm)
0.50"
(12.70mm)
70th Driest Driest since: 2012 1934
55th Wettest Wettest since: 2016 1993
Sep 2016–Jul 2017
11-Month
31.20"
(792.48mm)
28.28"
(718.31mm)
2.92"
(74.17mm)
87th Driest Driest since: 2014 1988
38th Wettest Wettest since: 2016 1993
Aug 2016–Jul 2017
12-Month
37.34"
(948.44mm)
32.14"
(816.36mm)
5.20"
(132.08mm)
103rd Driest Driest since: 2014 1956
22nd Wettest Wettest since: 2016 2008
Feb 2016–Jul 2017
18-Month
57.67"
(1,464.82mm)
50.60"
(1,285.24mm)
7.07"
(179.58mm)
103rd Driest Driest since: 2014 1911
22nd Wettest Wettest since: 2016 2008
Aug 2015–Jul 2017
24-Month
78.28"
(1,988.31mm)
64.31"
(1,633.47mm)
13.97"
(354.84mm)
113th Driest Driest since: 2015 1934
11th Wettest Wettest since: 2016 2008
Aug 2014–Jul 2017
36-Month
116.09"
(2,948.69mm)
96.40"
(2,448.56mm)
19.69"
(500.13mm)
116th Driest Driest since: 2016 1956
7th Wettest Wettest since: 2011 2010
Aug 2013–Jul 2017
48-Month
147.90"
(3,756.66mm)
128.38"
(3,260.85mm)
19.52"
(495.81mm)
112th Driest Driest since: 2016 1957
10th Wettest Wettest since: 2011 2010
Aug 2012–Jul 2017
60-Month
183.98"
(4,673.09mm)
160.37"
(4,073.40mm)
23.61"
(599.69mm)
115th Driest Driest since: 2016 1957
6th Wettest Wettest since: 2012 2011

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2019, retrieved on October 17, 2019 from https://www.ncdc.noaa.gov/cag/