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 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, October 2009

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
October 2009
1-Month
6.35"
(161.29mm)
2.29"
(58.17mm)
4.06"
(103.12mm)
125th Driest Driest since: 2008 1952
1st Wettest Wettest to Date 2009
Sep–Oct 2009
2-Month
8.08"
(205.23mm)
5.96"
(151.38mm)
2.12"
(53.85mm)
103rd Driest Driest since: 2008 1952
23rd Wettest Wettest since: 1986 1941
Aug–Oct 2009
3-Month
13.83"
(351.28mm)
9.80"
(248.92mm)
4.03"
(102.36mm)
115th Driest Driest since: 2008 1953
11th Wettest Wettest since: 2007 2018
Jul–Oct 2009
4-Month
18.45"
(468.63mm)
13.66"
(346.96mm)
4.79"
(121.67mm)
112th Driest Driest since: 2008 1953, 1976
14th Wettest Wettest since: 2007 1993
Jun–Oct 2009
5-Month
23.74"
(603.00mm)
18.29"
(464.57mm)
5.45"
(138.43mm)
115th Driest Driest since: 2006 1976
11th Wettest Wettest since: 2008 1993
May–Oct 2009
6-Month
27.38"
(695.45mm)
22.33"
(567.18mm)
5.05"
(128.27mm)
108th Driest Driest since: 2006 1976
18th Wettest Wettest since: 2008 1993
Apr–Oct 2009
7-Month
30.98"
(786.89mm)
25.28"
(642.11mm)
5.70"
(144.78mm)
107th Driest Driest since: 2006 1988
19th Wettest Wettest since: 2008 1993
Mar–Oct 2009
8-Month
33.95"
(862.33mm)
27.23"
(691.64mm)
6.72"
(170.69mm)
111th Driest Driest since: 2006 1988
15th Wettest Wettest since: 2008 1993
Feb–Oct 2009
9-Month
34.74"
(882.40mm)
28.25"
(717.55mm)
6.49"
(164.85mm)
110th Driest Driest since: 2006 1988
16th Wettest Wettest since: 2008 1993
Jan–Oct 2009
10-Month
35.42"
(899.67mm)
29.23"
(742.44mm)
6.19"
(157.23mm)
110th Driest Driest since: 2006 1988
16th Wettest Wettest since: 2008 1993
Dec 2008–Oct 2009
11-Month
37.30"
(947.42mm)
30.33"
(770.38mm)
6.97"
(177.04mm)
109th Driest Driest since: 2006 1988
16th Wettest Wettest since: 2008 1993
Nov 2008–Oct 2009
12-Month
39.02"
(991.11mm)
32.07"
(814.58mm)
6.95"
(176.53mm)
110th Driest Driest since: 2006 1956
15th Wettest Wettest since: 2008 1993
May 2008–Oct 2009
18-Month
68.83"
(1,748.28mm)
54.47"
(1,383.54mm)
14.36"
(364.74mm)
117th Driest Driest since: 2007 1956
8th Wettest Wettest since: 2008 2019
Nov 2007–Oct 2009
24-Month
80.96"
(2,056.38mm)
64.23"
(1,631.44mm)
16.73"
(424.94mm)
119th Driest Driest since: 2007 1956
5th Wettest Wettest since: 2008 1993
Nov 2006–Oct 2009
36-Month
124.61"
(3,165.09mm)
96.34"
(2,447.04mm)
28.27"
(718.05mm)
121st Driest Driest since: 2008 1957
2nd Wettest Wettest to Date 2010
Nov 2005–Oct 2009
48-Month
156.07"
(3,964.18mm)
128.36"
(3,260.34mm)
27.71"
(703.84mm)
117th Driest Driest since: 2008 1958
5th Wettest Wettest since: 1993 2010
Nov 2004–Oct 2009
60-Month
185.78"
(4,718.81mm)
160.34"
(4,072.64mm)
25.44"
(646.17mm)
112th Driest Driest since: 2008 1956
9th Wettest Wettest since: 1994 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2020, retrieved on January 19, 2020 from https://www.ncdc.noaa.gov/cag/