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 2021. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, September 2007

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
(1895-2020)
Wettest/Driest
Since
Record
September 2007
1-Month
2.87"
(72.90mm)
3.67"
(93.22mm)
-0.80"
(-20.32mm)
50th Driest Driest since: 2004 1939
77th Wettest Wettest since: 2006 1965
Ties: 1917
Aug–Sep 2007
2-Month
12.56"
(319.02mm)
7.51"
(190.75mm)
5.05"
(128.27mm)
122nd Driest Driest since: 2006 1976
5th Wettest Wettest since: 1977 2018
Jul–Sep 2007
3-Month
15.94"
(404.88mm)
11.36"
(288.54mm)
4.58"
(116.34mm)
115th Driest Driest since: 2006 2013
12th Wettest Wettest since: 1993 1993
Jun–Sep 2007
4-Month
19.32"
(490.73mm)
16.00"
(406.40mm)
3.32"
(84.33mm)
108th Driest Driest since: 2006 2012
19th Wettest Wettest since: 1993 1993
May–Sep 2007
5-Month
24.67"
(626.62mm)
20.04"
(509.02mm)
4.63"
(117.60mm)
112th Driest Driest since: 2006 1976
15th Wettest Wettest since: 1993 1993
Apr–Sep 2007
6-Month
29.24"
(742.70mm)
22.99"
(583.95mm)
6.25"
(158.75mm)
114th Driest Driest since: 2006 1988
13th Wettest Wettest since: 1993 1993
Mar–Sep 2007
7-Month
32.10"
(815.34mm)
24.94"
(633.48mm)
7.16"
(181.86mm)
116th Driest Driest since: 2006 1988
11th Wettest Wettest since: 1993 1993
Feb–Sep 2007
8-Month
33.78"
(858.01mm)
25.96"
(659.38mm)
7.82"
(198.63mm)
117th Driest Driest since: 2006 1988
10th Wettest Wettest since: 1993 1993
Jan–Sep 2007
9-Month
34.69"
(881.13mm)
26.93"
(684.02mm)
7.76"
(197.11mm)
117th Driest Driest since: 2006 1988
10th Wettest Wettest since: 1993 1993
Dec 2006–Sep 2007
10-Month
36.78"
(934.21mm)
28.04"
(712.22mm)
8.74"
(221.99mm)
116th Driest Driest since: 2006 1988
10th Wettest Wettest since: 1993 1993
Nov 2006–Sep 2007
11-Month
38.55"
(979.17mm)
29.78"
(756.41mm)
8.77"
(222.76mm)
119th Driest Driest since: 2006 1934
7th Wettest Wettest since: 1993 1993
Oct 2006–Sep 2007
12-Month
40.19"
(1,020.83mm)
32.09"
(815.09mm)
8.10"
(205.74mm)
116th Driest Driest since: 2006 1934
10th Wettest Wettest since: 1993 1993
Apr 2006–Sep 2007
18-Month
62.61"
(1,590.29mm)
55.13"
(1,400.30mm)
7.48"
(189.99mm)
105th Driest Driest since: 2006 1934
21st Wettest Wettest since: 1999 1993
Oct 2005–Sep 2007
24-Month
70.92"
(1,801.37mm)
64.26"
(1,632.20mm)
6.66"
(169.17mm)
101st Driest Driest since: 2006 1956
24th Wettest Wettest since: 1999 1993
Oct 2004–Sep 2007
36-Month
101.77"
(2,584.96mm)
96.36"
(2,447.54mm)
5.41"
(137.42mm)
88th Driest Driest since: 2006 1957
36th Wettest Wettest since: 1999 2010
Oct 2003–Sep 2007
48-Month
138.08"
(3,507.23mm)
128.36"
(3,260.34mm)
9.72"
(246.89mm)
95th Driest Driest since: 2006 1958
28th Wettest Wettest since: 1996 2010
Oct 2002–Sep 2007
60-Month
165.07"
(4,192.78mm)
160.34"
(4,072.64mm)
4.73"
(120.14mm)
73rd Driest Driest since: 2006 1957
49th Wettest Wettest since: 2002 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2021, retrieved on August 2, 2021 from https://www.ncdc.noaa.gov/cag/