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 November 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, December 2009

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 2009
1-Month
2.54"
(64.52mm)
1.11"
(28.19mm)
1.43"
(36.33mm)
122nd Driest Driest since: 2008 2002
3rd Wettest Wettest since: 1982 2015
Nov–Dec 2009
2-Month
3.73"
(94.74mm)
2.87"
(72.90mm)
0.86"
(21.84mm)
96th Driest Driest since: 2008 1976
29th Wettest Wettest since: 2006 2015
Oct–Dec 2009
3-Month
10.08"
(256.03mm)
5.16"
(131.06mm)
4.92"
(124.97mm)
122nd Driest Driest since: 2008 1910
3rd Wettest Wettest since: 1931 1931
Sep–Dec 2009
4-Month
11.81"
(299.97mm)
8.83"
(224.28mm)
2.98"
(75.69mm)
104th Driest Driest since: 2008 1939, 1976
21st Wettest Wettest since: 1992 1931
Aug–Dec 2009
5-Month
17.56"
(446.02mm)
12.67"
(321.82mm)
4.89"
(124.20mm)
113th Driest Driest since: 2008 1976
12th Wettest Wettest since: 2007 2018
Jul–Dec 2009
6-Month
22.18"
(563.37mm)
16.52"
(419.61mm)
5.66"
(143.76mm)
112th Driest Driest since: 2008 1976
13th Wettest Wettest since: 2007 2018
Jun–Dec 2009
7-Month
27.47"
(697.74mm)
21.15"
(537.21mm)
6.32"
(160.53mm)
117th Driest Driest since: 2007 1976
8th Wettest Wettest since: 2008 2018
May–Dec 2009
8-Month
31.11"
(790.19mm)
25.20"
(640.08mm)
5.91"
(150.11mm)
111th Driest Driest since: 2006 1976
14th Wettest Wettest since: 2008 1993
Apr–Dec 2009
9-Month
34.71"
(881.63mm)
28.15"
(715.01mm)
6.56"
(166.62mm)
110th Driest Driest since: 2006 1910
15th Wettest Wettest since: 2008 1993
Mar–Dec 2009
10-Month
37.68"
(957.07mm)
30.10"
(764.54mm)
7.58"
(192.53mm)
113th Driest Driest since: 2006 1910
12th Wettest Wettest since: 2008 1993
Feb–Dec 2009
11-Month
38.47"
(977.14mm)
31.12"
(790.45mm)
7.35"
(186.69mm)
111th Driest Driest since: 2006 1910
14th Wettest Wettest since: 2008 1993
Jan–Dec 2009
12-Month
39.15"
(994.41mm)
32.09"
(815.09mm)
7.06"
(179.32mm)
110th Driest Driest since: 2006 1910
15th Wettest Wettest since: 2008 1993
Jul 2008–Dec 2009
18-Month
58.01"
(1,473.45mm)
48.69"
(1,236.73mm)
9.32"
(236.72mm)
111th Driest Driest since: 2006 1956
13th Wettest Wettest since: 2008 1993
Jan 2008–Dec 2009
24-Month
82.07"
(2,084.58mm)
64.24"
(1,631.70mm)
17.83"
(452.88mm)
120th Driest Driest since: 2007 1989
4th Wettest Wettest since: 2008 2008
Jan 2007–Dec 2009
36-Month
124.48"
(3,161.79mm)
96.36"
(2,447.54mm)
28.12"
(714.25mm)
121st Driest Driest since: 2008 1957
2nd Wettest Wettest to Date 2010
Jan 2006–Dec 2009
48-Month
156.88"
(3,984.75mm)
128.37"
(3,260.60mm)
28.51"
(724.15mm)
117th Driest Driest since: 2008 1958
5th Wettest Wettest since: 1993 2010
Jan 2005–Dec 2009
60-Month
186.72"
(4,742.69mm)
160.36"
(4,073.14mm)
26.36"
(669.55mm)
116th Driest Driest since: 2008 1956
5th Wettest Wettest since: 1994 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 10, 2019 from https://www.ncdc.noaa.gov/cag/