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 June 2020. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, October 2019

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 2019
1-Month
4.78"
(121.41mm)
2.29"
(58.17mm)
2.49"
(63.24mm)
119th Driest Driest since: 2018 1952
7th Wettest Wettest since: 2017 2009
Sep–Oct 2019
2-Month
10.99"
(279.15mm)
5.96"
(151.38mm)
5.03"
(127.77mm)
122nd Driest Driest since: 2017 1952
4th Wettest Wettest since: 2018 1941
Aug–Oct 2019
3-Month
14.52"
(368.81mm)
9.80"
(248.92mm)
4.72"
(119.89mm)
119th Driest Driest since: 2017 1953
7th Wettest Wettest since: 2018 2018
Jul–Oct 2019
4-Month
17.90"
(454.66mm)
13.66"
(346.96mm)
4.24"
(107.70mm)
109th Driest Driest since: 2017 1953, 1976
17th Wettest Wettest since: 2018 1993
Jun–Oct 2019
5-Month
21.81"
(553.97mm)
18.29"
(464.57mm)
3.52"
(89.40mm)
101st Driest Driest since: 2017 1976
25th Wettest Wettest since: 2018 1993
May–Oct 2019
6-Month
30.02"
(762.51mm)
22.33"
(567.18mm)
7.69"
(195.33mm)
121st Driest Driest since: 2017 1976
5th Wettest Wettest since: 2018 1993
Apr–Oct 2019
7-Month
33.05"
(839.47mm)
25.28"
(642.11mm)
7.77"
(197.36mm)
117th Driest Driest since: 2017 1988
9th Wettest Wettest since: 2018 1993
Mar–Oct 2019
8-Month
35.24"
(895.10mm)
27.23"
(691.64mm)
8.01"
(203.46mm)
116th Driest Driest since: 2017 1988
10th Wettest Wettest since: 2018 1993
Feb–Oct 2019
9-Month
37.58"
(954.53mm)
28.25"
(717.55mm)
9.33"
(236.98mm)
117th Driest Driest since: 2017 1988
9th Wettest Wettest since: 2018 1993
Jan–Oct 2019
10-Month
38.86"
(987.04mm)
29.23"
(742.44mm)
9.63"
(244.60mm)
118th Driest Driest since: 2017 1988
8th Wettest Wettest since: 2018 1993
Dec 2018–Oct 2019
11-Month
40.96"
(1,040.38mm)
30.33"
(770.38mm)
10.63"
(270.00mm)
119th Driest Driest since: 2017 1988
6th Wettest Wettest since: 2018 1993
Nov 2018–Oct 2019
12-Month
42.77"
(1,086.36mm)
32.07"
(814.58mm)
10.70"
(271.78mm)
120th Driest Driest since: 2018 1956
5th Wettest Wettest since: 2016 1993
May 2018–Oct 2019
18-Month
77.56"
(1,970.02mm)
54.47"
(1,383.54mm)
23.09"
(586.48mm)
124th Driest Driest since: 2018 1956
1st Wettest Wettest to Date 2019
Nov 2017–Oct 2019
24-Month
84.74"
(2,152.40mm)
64.23"
(1,631.44mm)
20.51"
(520.96mm)
121st Driest Driest since: 2018 1956
3rd Wettest Wettest since: 2008 1993
Nov 2016–Oct 2019
36-Month
119.21"
(3,027.93mm)
96.34"
(2,447.04mm)
22.87"
(580.89mm)
118th Driest Driest since: 2017 1957
5th Wettest Wettest since: 2018 2010
Nov 2015–Oct 2019
48-Month
163.19"
(4,145.03mm)
128.36"
(3,260.34mm)
34.83"
(884.69mm)
120th Driest Driest since: 2018 1958
2nd Wettest Wettest since: 2010 2010
Nov 2014–Oct 2019
60-Month
198.79"
(5,049.27mm)
160.34"
(4,072.64mm)
38.45"
(976.63mm)
118th Driest Driest since: 2018 1956
3rd Wettest Wettest since: 2011 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2020, retrieved on July 16, 2020 from https://www.ncdc.noaa.gov/cag/