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 August 2022. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, September 2008

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 2008
1-Month
4.16"
(105.66mm)
3.67"
(93.22mm)
0.49"
(12.44mm)
87th Driest Driest since: 2007 1939
41st Wettest Wettest since: 2006 1965
Ties: 1933
Aug–Sep 2008
2-Month
6.12"
(155.45mm)
7.51"
(190.75mm)
-1.39"
(-35.30mm)
37th Driest Driest since: 2003 1976
91st Wettest Wettest since: 2007 2018
Jul–Sep 2008
3-Month
12.00"
(304.80mm)
11.36"
(288.54mm)
0.64"
(16.26mm)
83rd Driest Driest since: 2005 2013
45th Wettest Wettest since: 2007 1993
Ties: 1985
Jun–Sep 2008
4-Month
20.88"
(530.35mm)
16.00"
(406.40mm)
4.88"
(123.95mm)
117th Driest Driest since: 2007 2012
11th Wettest Wettest since: 1993 1993
May–Sep 2008
5-Month
26.55"
(674.37mm)
20.04"
(509.02mm)
6.51"
(165.35mm)
121st Driest Driest since: 2007 1976
7th Wettest Wettest since: 1993 1993
Apr–Sep 2008
6-Month
32.41"
(823.21mm)
22.99"
(583.95mm)
9.42"
(239.26mm)
124th Driest Driest since: 2007 1988
4th Wettest Wettest since: 1993 1993
Mar–Sep 2008
7-Month
33.67"
(855.22mm)
24.94"
(633.48mm)
8.73"
(221.74mm)
123rd Driest Driest since: 2007 1988
5th Wettest Wettest since: 1993 1993
Feb–Sep 2008
8-Month
35.38"
(898.65mm)
25.96"
(659.38mm)
9.42"
(239.27mm)
122nd Driest Driest since: 2007 1988
6th Wettest Wettest since: 1993 1993
Jan–Sep 2008
9-Month
36.06"
(915.92mm)
26.93"
(684.02mm)
9.13"
(231.90mm)
120th Driest Driest since: 2007 1988
8th Wettest Wettest since: 1993 1993
Dec 2007–Sep 2008
10-Month
38.50"
(977.90mm)
28.04"
(712.22mm)
10.46"
(265.68mm)
124th Driest Driest since: 2007 1988
3rd Wettest Wettest since: 1993 1993
Nov 2007–Sep 2008
11-Month
38.68"
(982.47mm)
29.78"
(756.41mm)
8.90"
(226.06mm)
121st Driest Driest since: 2007 1934
6th Wettest Wettest since: 1993 1993
Oct 2007–Sep 2008
12-Month
43.78"
(1,112.01mm)
32.09"
(815.09mm)
11.69"
(296.92mm)
124th Driest Driest since: 2007 1934
3rd Wettest Wettest since: 1993 1993
Apr 2007–Sep 2008
18-Month
73.02"
(1,854.71mm)
55.13"
(1,400.30mm)
17.89"
(454.41mm)
121st Driest Driest since: 2007 1934
6th Wettest Wettest since: 1993 1993
Oct 2006–Sep 2008
24-Month
83.97"
(2,132.84mm)
64.26"
(1,632.20mm)
19.71"
(500.64mm)
122nd Driest Driest since: 2007 1956
4th Wettest Wettest since: 1993 1993
Oct 2005–Sep 2008
36-Month
114.70"
(2,913.38mm)
96.36"
(2,447.54mm)
18.34"
(465.84mm)
114th Driest Driest since: 2007 1957
11th Wettest Wettest since: 1994 2010
Oct 2004–Sep 2008
48-Month
145.55"
(3,696.97mm)
128.36"
(3,260.34mm)
17.19"
(436.63mm)
109th Driest Driest since: 2007 1958
15th Wettest Wettest since: 1995 2010
Oct 2003–Sep 2008
60-Month
181.86"
(4,619.24mm)
160.34"
(4,072.64mm)
21.52"
(546.60mm)
110th Driest Driest since: 2007 1957
13th Wettest Wettest since: 1996 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on September 28, 2022 from https://www.ncdc.noaa.gov/cag/