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 2019

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
October 2019
1-Month		4.78"
(121.41mm)		2.29"
(58.17mm)		2.49"
(63.24mm)		121st Driest
Driest since:
1952
8th Wettest
Wettest since:
2009
Sep–Oct 2019
2-Month		10.99"
(279.15mm)		5.96"
(151.38mm)		5.03"
(127.77mm)		125th Driest
Driest since:
1952
4th Wettest
Wettest since:
1941
Aug–Oct 2019
3-Month		14.52"
(368.81mm)		9.80"
(248.92mm)		4.72"
(119.89mm)		122nd Driest
Driest since:
1953
7th Wettest
Wettest since:
2018
Jul–Oct 2019
4-Month		17.90"
(454.66mm)		13.66"
(346.96mm)		4.24"
(107.70mm)		112th Driest
Driest since:
1953, 1976
17th Wettest
Wettest since:
1993
Jun–Oct 2019
5-Month		21.81"
(553.97mm)		18.29"
(464.57mm)		3.52"
(89.40mm)		104th Driest
Driest since:
1976
25th Wettest
Wettest since:
1993
May–Oct 2019
6-Month		30.02"
(762.51mm)		22.33"
(567.18mm)		7.69"
(195.33mm)		124th Driest
Driest since:
1976
5th Wettest
Wettest since:
1993
Apr–Oct 2019
7-Month		33.05"
(839.47mm)		25.28"
(642.11mm)		7.77"
(197.36mm)		120th Driest
Driest since:
1988
9th Wettest
Wettest since:
1993
Mar–Oct 2019
8-Month		35.24"
(895.10mm)		27.23"
(691.64mm)		8.01"
(203.46mm)		119th Driest
Driest since:
1988
10th Wettest
Wettest since:
1993
Feb–Oct 2019
9-Month		37.58"
(954.53mm)		28.25"
(717.55mm)		9.33"
(236.98mm)		120th Driest
Driest since:
1988
9th Wettest
Wettest since:
1993
Jan–Oct 2019
10-Month		38.86"
(987.04mm)		29.23"
(742.44mm)		9.63"
(244.60mm)		121st Driest
Driest since:
1988
8th Wettest
Wettest since:
1993
Dec 2018–Oct 2019
11-Month		40.96"
(1,040.38mm)		30.33"
(770.38mm)		10.63"
(270.00mm)		122nd Driest
Driest since:
1988
6th Wettest
Wettest since:
1993
Nov 2018–Oct 2019
12-Month		42.77"
(1,086.36mm)		32.07"
(814.58mm)		10.70"
(271.78mm)		123rd Driest
Driest since:
1956
5th Wettest
Wettest since:
1993
May 2018–Oct 2019
18-Month		77.56"
(1,970.02mm)		54.47"
(1,383.54mm)		23.09"
(586.48mm)		127th Driest
Driest since:
1956
1st Wettest
Wettest to Date
2019
Nov 2017–Oct 2019
24-Month		84.74"
(2,152.40mm)		64.23"
(1,631.44mm)		20.51"
(520.96mm)		124th Driest
Driest since:
1956
3rd Wettest
Wettest since:
1993
Nov 2016–Oct 2019
36-Month		119.21"
(3,027.93mm)		96.34"
(2,447.04mm)		22.87"
(580.89mm)		121st Driest
Driest since:
1957
5th Wettest
Wettest since:
2010
Nov 2015–Oct 2019
48-Month		163.19"
(4,145.03mm)		128.36"
(3,260.34mm)		34.83"
(884.69mm)		123rd Driest
Driest since:
1958
2nd Wettest
Wettest since:
2010
Nov 2014–Oct 2019
60-Month		198.79"
(5,049.27mm)		160.34"
(4,072.64mm)		38.45"
(976.63mm)		121st Driest
Driest since:
1956
3rd Wettest
Wettest since:
2010

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