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, May 2019

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
May 2019
1-Month
8.21"
(208.53mm)
4.05"
(102.87mm)
4.16"
(105.66mm)
123rd Driest Driest since: 2018 1934
3rd Wettest Wettest since: 2013 2013
Apr–May 2019
2-Month
11.24"
(285.50mm)
6.99"
(177.55mm)
4.25"
(107.95mm)
121st Driest Driest since: 2018 1934
5th Wettest Wettest since: 2013 2013
Mar–May 2019
3-Month
13.43"
(341.12mm)
8.95"
(227.33mm)
4.48"
(113.79mm)
120th Driest Driest since: 2018 1934
6th Wettest Wettest since: 2013 2013
Feb–May 2019
4-Month
15.77"
(400.56mm)
9.96"
(252.98mm)
5.81"
(147.58mm)
122nd Driest Driest since: 2018 1934
4th Wettest Wettest since: 2013 2013
Jan–May 2019
5-Month
17.05"
(433.07mm)
10.94"
(277.88mm)
6.11"
(155.19mm)
122nd Driest Driest since: 2018 1934
4th Wettest Wettest since: 2013 2013
Dec 2018–May 2019
6-Month
19.15"
(486.41mm)
12.04"
(305.82mm)
7.11"
(180.59mm)
122nd Driest Driest since: 2018 1934
3rd Wettest Wettest since: 2013 2013
Nov 2018–May 2019
7-Month
20.96"
(532.38mm)
13.78"
(350.01mm)
7.18"
(182.37mm)
122nd Driest Driest since: 2018 1934
3rd Wettest Wettest since: 2013 2013
Oct 2018–May 2019
8-Month
25.59"
(649.99mm)
16.10"
(408.94mm)
9.49"
(241.05mm)
124th Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Sep 2018–May 2019
9-Month
33.69"
(855.73mm)
19.79"
(502.67mm)
13.90"
(353.06mm)
124th Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Aug 2018–May 2019
10-Month
40.11"
(1,018.79mm)
23.65"
(600.71mm)
16.46"
(418.08mm)
124th Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Jul 2018–May 2019
11-Month
43.50"
(1,104.90mm)
27.54"
(699.52mm)
15.96"
(405.38mm)
124th Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Jun 2018–May 2019
12-Month
51.05"
(1,296.67mm)
32.14"
(816.36mm)
18.91"
(480.31mm)
124th Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Dec 2017–May 2019
18-Month
62.52"
(1,588.01mm)
44.20"
(1,122.68mm)
18.32"
(465.33mm)
123rd Driest Driest since: 2018 1934
1st Wettest Wettest to Date 2019
Jun 2017–May 2019
24-Month
80.77"
(2,051.56mm)
64.29"
(1,632.97mm)
16.48"
(418.59mm)
117th Driest Driest since: 2018 1957
7th Wettest Wettest since: 2017 2011
Jun 2016–May 2019
36-Month
121.29"
(3,080.77mm)
96.33"
(2,446.78mm)
24.96"
(633.99mm)
120th Driest Driest since: 2018 1958
3rd Wettest Wettest since: 2017 2011
Jun 2015–May 2019
48-Month
164.50"
(4,178.30mm)
128.31"
(3,259.07mm)
36.19"
(919.23mm)
120th Driest Driest since: 2018 1957
2nd Wettest Wettest since: 2011 2011
Jun 2014–May 2019
60-Month
203.38"
(5,165.85mm)
160.32"
(4,072.13mm)
43.06"
(1,093.72mm)
120th Driest Driest since: 2018 1958
1st Wettest Wettest to Date 2019

Citing This Page

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