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, October 2010

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 2010
1-Month 		0.91"
(23.11mm)		 2.29"
(58.17mm)		 -1.38"
(-35.06mm)		 14th Driest
Driest since:
 1952
115th Wettest
Wettest since:
 2009
Ties: 2005
Sep–Oct 2010
2-Month 		6.31"
(160.27mm)		 5.96"
(151.38mm)		 0.35"
(8.89mm)		 75th Driest
Driest since:
 1952
54th Wettest
Wettest since:
 1941
Aug–Oct 2010
3-Month 		11.14"
(282.96mm)		 9.80"
(248.92mm)		 1.34"
(34.04mm)		 87th Driest
Driest since:
 1953
42nd Wettest
Wettest since:
 2018
Jul–Oct 2010
4-Month 		19.03"
(483.36mm)		 13.66"
(346.96mm)		 5.37"
(136.40mm)		 120th Driest
Driest since:
 1953, 1976
9th Wettest
Wettest since:
 1993
Jun–Oct 2010
5-Month 		29.31"
(744.47mm)		 18.29"
(464.57mm)		 11.02"
(279.90mm)		 126th Driest
Driest since:
 1976
3rd Wettest
Wettest since:
 1993
May–Oct 2010
6-Month 		33.50"
(850.90mm)		 22.33"
(567.18mm)		 11.17"
(283.72mm)		 125th Driest
Driest since:
 1976
4th Wettest
Wettest since:
 1993
Apr–Oct 2010
7-Month 		37.20"
(944.88mm)		 25.28"
(642.11mm)		 11.92"
(302.77mm)		 127th Driest
Driest since:
 1988
2nd Wettest
Wettest since:
 1993
Mar–Oct 2010
8-Month 		38.92"
(988.57mm)		 27.23"
(691.64mm)		 11.69"
(296.93mm)		 127th Driest
Driest since:
 1988
2nd Wettest
Wettest since:
 1993
Feb–Oct 2010
9-Month 		39.88"
(1,012.95mm)		 28.25"
(717.55mm)		 11.63"
(295.40mm)		 126th Driest
Driest since:
 1988
3rd Wettest
Wettest since:
 1993
Jan–Oct 2010
10-Month 		41.18"
(1,045.97mm)		 29.23"
(742.44mm)		 11.95"
(303.53mm)		 127th Driest
Driest since:
 1988
2nd Wettest
Wettest since:
 1993
Dec 2009–Oct 2010
11-Month 		43.72"
(1,110.49mm)		 30.33"
(770.38mm)		 13.39"
(340.11mm)		 126th Driest
Driest since:
 1988
2nd Wettest
Wettest since:
 1993
Nov 2009–Oct 2010
12-Month 		44.91"
(1,140.71mm)		 32.07"
(814.58mm)		 12.84"
(326.13mm)		 126th Driest
Driest since:
 1956
2nd Wettest
Wettest since:
 1993
May 2009–Oct 2010
18-Month 		72.29"
(1,836.17mm)		 54.47"
(1,383.54mm)		 17.82"
(452.63mm)		 124th Driest
Driest since:
 1956
4th Wettest
Wettest since:
 2019
Nov 2008–Oct 2010
24-Month 		83.93"
(2,131.82mm)		 64.23"
(1,631.44mm)		 19.70"
(500.38mm)		 123rd Driest
Driest since:
 1956
4th Wettest
Wettest since:
 1993
Nov 2007–Oct 2010
36-Month 		125.87"
(3,197.10mm)		 96.34"
(2,447.04mm)		 29.53"
(750.06mm)		 125th Driest
Driest since:
 1957
1st Wettest
Wettest to Date
 2010
Nov 2006–Oct 2010
48-Month 		169.52"
(4,305.81mm)		 128.36"
(3,260.34mm)		 41.16"
(1,045.47mm)		 124th Driest
Driest since:
 1958
1st Wettest
Wettest to Date
 2010
Nov 2005–Oct 2010
60-Month 		200.98"
(5,104.89mm)		 160.34"
(4,072.64mm)		 40.64"
(1,032.25mm)		 123rd Driest
Driest since:
 1956
1st Wettest
Wettest to Date
 2010

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