Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Iowa

Precipitation Rankings, January 2013

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2023)		 Wettest/Driest
Since		 Record
January 2013
1-Month 		0.95"
(24.13mm)		 0.98"
(24.89mm)		 -0.03"
(-0.76mm)		 73rd Driest
Driest since:
 1981
57th Wettest
Wettest since:
 1949
Dec 2012–Jan 2013
2-Month 		2.48"
(62.99mm)		 2.08"
(52.83mm)		 0.40"
(10.16mm)		 89th Driest
Driest since:
 2003
40th Wettest
Wettest since:
 2016
Ties: 1992
Nov 2012–Jan 2013
3-Month 		3.53"
(89.66mm)		 3.82"
(97.03mm)		 -0.29"
(-7.37mm)		 58th Driest
Driest since:
 2003
71st Wettest
Wettest since:
 1932
Oct 2012–Jan 2013
4-Month 		6.51"
(165.35mm)		 6.13"
(155.70mm)		 0.38"
(9.65mm)		 78th Driest
Driest since:
 1911
51st Wettest
Wettest since:
 1932
Sep 2012–Jan 2013
5-Month 		8.13"
(206.50mm)		 9.83"
(249.68mm)		 -1.70"
(-43.18mm)		 39th Driest
Driest since:
 1977
90th Wettest
Wettest since:
 1932
Aug 2012–Jan 2013
6-Month 		11.01"
(279.65mm)		 13.69"
(347.73mm)		 -2.68"
(-68.08mm)		 28th Driest
Driest since:
 1977
101st Wettest
Wettest since:
 2019
Jul 2012–Jan 2013
7-Month 		12.18"
(309.37mm)		 17.57"
(446.28mm)		 -5.39"
(-136.91mm)		 12th Driest
Driest since:
 1977
117th Wettest
Wettest since:
 2019
Jun 2012–Jan 2013
8-Month 		14.99"
(380.75mm)		 22.18"
(563.37mm)		 -7.19"
(-182.62mm)		 4th Driest
Driest since:
 1977
125th Wettest
Wettest since:
 2019
May 2012–Jan 2013
9-Month 		18.50"
(469.90mm)		 26.22"
(665.99mm)		 -7.72"
(-196.09mm)		 7th Driest
Driest since:
 1977
122nd Wettest
Wettest since:
 1994
Apr 2012–Jan 2013
10-Month 		22.40"
(568.96mm)		 29.17"
(740.92mm)		 -6.77"
(-171.96mm)		 9th Driest
Driest since:
 1911
120th Wettest
Wettest since:
 1994
Mar 2012–Jan 2013
11-Month 		24.31"
(617.47mm)		 31.14"
(790.96mm)		 -6.83"
(-173.49mm)		 11th Driest
Driest since:
 1911
118th Wettest
Wettest since:
 1994
Feb 2012–Jan 2013
12-Month 		25.99"
(660.15mm)		 32.15"
(816.61mm)		 -6.16"
(-156.46mm)		 16th Driest
Driest since:
 1911
113th Wettest
Wettest since:
 1994
Aug 2011–Jan 2013
18-Month 		36.16"
(918.46mm)		 45.86"
(1,164.84mm)		 -9.70"
(-246.38mm)		 4th Driest
Driest since:
 1957
124th Wettest
Wettest since:
 2020
Feb 2011–Jan 2013
24-Month 		57.45"
(1,459.23mm)		 64.28"
(1,632.71mm)		 -6.83"
(-173.48mm)		 19th Driest
Driest since:
 1990
109th Wettest
Wettest since:
 2020
Feb 2010–Jan 2013
36-Month 		101.14"
(2,568.96mm)		 96.29"
(2,445.77mm)		 4.85"
(123.19mm)		 86th Driest
Driest since:
 1958
41st Wettest
Wettest since:
 2011
Feb 2009–Jan 2013
48-Month 		140.91"
(3,579.11mm)		 128.27"
(3,258.06mm)		 12.64"
(321.05mm)		 102nd Driest
Driest since:
 1959
24th Wettest
Wettest since:
 2011
Feb 2008–Jan 2013
60-Month 		183.83"
(4,669.28mm)		 160.30"
(4,071.62mm)		 23.53"
(597.66mm)		 113th Driest
Driest since:
 1957
12th Wettest
Wettest since:
 2011

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