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 December 2021. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, September 2010

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2010
1-Month
5.40"
(137.16mm)
3.67"
(93.22mm)
1.73"
(43.94mm)
107th Driest Driest since: 2009 1939
21st Wettest Wettest since: 1992 1965
Aug–Sep 2010
2-Month
10.23"
(259.84mm)
7.51"
(190.75mm)
2.72"
(69.09mm)
111th Driest Driest since: 2009 1976
17th Wettest Wettest since: 2007 2018
Jul–Sep 2010
3-Month
18.12"
(460.25mm)
11.36"
(288.54mm)
6.76"
(171.71mm)
124th Driest Driest since: 2009 2013
4th Wettest Wettest since: 1993 1993
Jun–Sep 2010
4-Month
28.40"
(721.36mm)
16.00"
(406.40mm)
12.40"
(314.96mm)
126th Driest Driest since: 2009 2012
2nd Wettest Wettest since: 1993 1993
May–Sep 2010
5-Month
32.59"
(827.79mm)
20.04"
(509.02mm)
12.55"
(318.77mm)
126th Driest Driest since: 2009 1976
2nd Wettest Wettest since: 1993 1993
Apr–Sep 2010
6-Month
36.29"
(921.77mm)
22.99"
(583.95mm)
13.30"
(337.82mm)
126th Driest Driest since: 2009 1988
2nd Wettest Wettest since: 1993 1993
Mar–Sep 2010
7-Month
38.01"
(965.45mm)
24.94"
(633.48mm)
13.07"
(331.97mm)
126th Driest Driest since: 2009 1988
2nd Wettest Wettest since: 1993 1993
Feb–Sep 2010
8-Month
38.97"
(989.84mm)
25.96"
(659.38mm)
13.01"
(330.46mm)
126th Driest Driest since: 2009 1988
2nd Wettest Wettest since: 1993 1993
Jan–Sep 2010
9-Month
40.27"
(1,022.86mm)
26.93"
(684.02mm)
13.34"
(338.84mm)
126th Driest Driest since: 2009 1988
2nd Wettest Wettest since: 1993 1993
Dec 2009–Sep 2010
10-Month
42.81"
(1,087.37mm)
28.04"
(712.22mm)
14.77"
(375.15mm)
125th Driest Driest since: 2009 1988
2nd Wettest Wettest since: 1993 1993
Nov 2009–Sep 2010
11-Month
44.00"
(1,117.60mm)
29.78"
(756.41mm)
14.22"
(361.19mm)
125th Driest Driest since: 2009 1934
2nd Wettest Wettest since: 1993 1993
Oct 2009–Sep 2010
12-Month
50.35"
(1,278.89mm)
32.09"
(815.09mm)
18.26"
(463.80mm)
125th Driest Driest since: 2009 1934
2nd Wettest Wettest since: 1993 1993
Apr 2009–Sep 2010
18-Month
74.98"
(1,904.49mm)
55.13"
(1,400.30mm)
19.85"
(504.19mm)
125th Driest Driest since: 2009 1934
2nd Wettest Wettest since: 1993 1993
Oct 2008–Sep 2010
24-Month
86.28"
(2,191.51mm)
64.26"
(1,632.20mm)
22.02"
(559.31mm)
124th Driest Driest since: 2009 1956
2nd Wettest Wettest since: 1993 1993
Oct 2007–Sep 2010
36-Month
130.06"
(3,303.52mm)
96.36"
(2,447.54mm)
33.70"
(855.98mm)
124th Driest Driest since: 2009 1957
1st Wettest Wettest to Date 2010
Oct 2006–Sep 2010
48-Month
170.25"
(4,324.35mm)
128.36"
(3,260.34mm)
41.89"
(1,064.01mm)
123rd Driest Driest since: 2009 1958
1st Wettest Wettest to Date 2010
Oct 2005–Sep 2010
60-Month
200.98"
(5,104.89mm)
160.34"
(4,072.64mm)
40.64"
(1,032.25mm)
122nd Driest Driest since: 2009 1957
1st Wettest Wettest to Date 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2022, retrieved on January 21, 2022 from https://www.ncdc.noaa.gov/cag/