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 2019

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
July 2019
1-Month
3.40"
(86.36mm)
3.86"
(98.04mm)
-0.46"
(-11.68mm)
58th Driest Driest since: 2018 1936
68th Wettest Wettest since: 2016 1993
Ties: 1965, 2011
Jun–Jul 2019
2-Month
7.32"
(185.93mm)
8.49"
(215.65mm)
-1.17"
(-29.72mm)
39th Driest Driest since: 2017 1936
87th Wettest Wettest since: 2018 1993
Ties: 1920
May–Jul 2019
3-Month
15.53"
(394.46mm)
12.53"
(318.26mm)
3.00"
(76.20mm)
104th Driest Driest since: 2017 1988
22nd Wettest Wettest since: 2018 1993
Apr–Jul 2019
4-Month
18.56"
(471.42mm)
15.48"
(393.19mm)
3.08"
(78.23mm)
102nd Driest Driest since: 2018 1936
24th Wettest Wettest since: 2015 1993
Mar–Jul 2019
5-Month
20.75"
(527.05mm)
17.43"
(442.72mm)
3.32"
(84.33mm)
99th Driest Driest since: 2018 1936
27th Wettest Wettest since: 2015 1993
Feb–Jul 2019
6-Month
23.09"
(586.49mm)
18.45"
(468.63mm)
4.64"
(117.86mm)
111th Driest Driest since: 2018 1988
15th Wettest Wettest since: 2013 1993
Jan–Jul 2019
7-Month
24.37"
(619.00mm)
19.43"
(493.52mm)
4.94"
(125.48mm)
110th Driest Driest since: 2018 1988
16th Wettest Wettest since: 2013 1993
Dec 2018–Jul 2019
8-Month
26.47"
(672.34mm)
20.53"
(521.46mm)
5.94"
(150.88mm)
113th Driest Driest since: 2018 1988
12th Wettest Wettest since: 2013 1993
Nov 2018–Jul 2019
9-Month
28.28"
(718.31mm)
22.27"
(565.66mm)
6.01"
(152.65mm)
115th Driest Driest since: 2018 1934
10th Wettest Wettest since: 2016 1993
Oct 2018–Jul 2019
10-Month
32.91"
(835.91mm)
24.58"
(624.33mm)
8.33"
(211.58mm)
119th Driest Driest since: 2018 1934
6th Wettest Wettest since: 2010 1993
Sep 2018–Jul 2019
11-Month
41.01"
(1,041.65mm)
28.28"
(718.31mm)
12.73"
(323.34mm)
122nd Driest Driest since: 2018 1988
3rd Wettest Wettest since: 2010 1993
Aug 2018–Jul 2019
12-Month
47.43"
(1,204.72mm)
32.14"
(816.36mm)
15.29"
(388.36mm)
121st Driest Driest since: 2018 1956
4th Wettest Wettest since: 2010 2008
Feb 2018–Jul 2019
18-Month
68.43"
(1,738.12mm)
50.60"
(1,285.24mm)
17.83"
(452.88mm)
122nd Driest Driest since: 2018 1911
3rd Wettest Wettest since: 2010 2008
Aug 2017–Jul 2019
24-Month
81.65"
(2,073.91mm)
64.31"
(1,633.47mm)
17.34"
(440.44mm)
118th Driest Driest since: 2018 1934
6th Wettest Wettest since: 2011 2008
Aug 2016–Jul 2019
36-Month
118.99"
(3,022.35mm)
96.40"
(2,448.56mm)
22.59"
(573.79mm)
120th Driest Driest since: 2018 1956
3rd Wettest Wettest since: 2010 2010
Aug 2015–Jul 2019
48-Month
159.93"
(4,062.22mm)
128.38"
(3,260.85mm)
31.55"
(801.37mm)
119th Driest Driest since: 2018 1957
3rd Wettest Wettest since: 2011 2010
Aug 2014–Jul 2019
60-Month
197.74"
(5,022.60mm)
160.37"
(4,073.40mm)
37.37"
(949.20mm)
119th Driest Driest since: 2018 1957
2nd Wettest Wettest since: 2011 2011

Citing This Page

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