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 1986

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
October 1986
1-Month		3.77"
(95.76mm)		2.29"
(58.17mm)		1.48"
(37.59mm)		115th Driest
Driest since:
1952
14th Wettest
Wettest since:
2009
Sep–Oct 1986
2-Month		10.56"
(268.22mm)		5.96"
(151.38mm)		4.60"
(116.84mm)		122nd Driest
Driest since:
1952
7th Wettest
Wettest since:
1941
Aug–Oct 1986
3-Month		14.48"
(367.79mm)		9.80"
(248.92mm)		4.68"
(118.87mm)		121st Driest
Driest since:
1953
8th Wettest
Wettest since:
2018
Jul–Oct 1986
4-Month		19.53"
(496.06mm)		13.66"
(346.96mm)		5.87"
(149.10mm)		121st Driest
Driest since:
1953, 1976
8th Wettest
Wettest since:
1993
Jun–Oct 1986
5-Month		24.18"
(614.17mm)		18.29"
(464.57mm)		5.89"
(149.60mm)		121st Driest
Driest since:
1976
8th Wettest
Wettest since:
1993
May–Oct 1986
6-Month		29.80"
(756.92mm)		22.33"
(567.18mm)		7.47"
(189.74mm)		122nd Driest
Driest since:
1976
7th Wettest
Wettest since:
1993
Apr–Oct 1986
7-Month		34.37"
(873.00mm)		25.28"
(642.11mm)		9.09"
(230.89mm)		123rd Driest
Driest since:
1988
6th Wettest
Wettest since:
1993
Mar–Oct 1986
8-Month		36.48"
(926.59mm)		27.23"
(691.64mm)		9.25"
(234.95mm)		121st Driest
Driest since:
1988
8th Wettest
Wettest since:
1993
Feb–Oct 1986
9-Month		37.72"
(958.09mm)		28.25"
(717.55mm)		9.47"
(240.54mm)		121st Driest
Driest since:
1988
8th Wettest
Wettest since:
1993
Jan–Oct 1986
10-Month		37.94"
(963.68mm)		29.23"
(742.44mm)		8.71"
(221.24mm)		119th Driest
Driest since:
1988
10th Wettest
Wettest since:
1993
Dec 1985–Oct 1986
11-Month		39.21"
(995.93mm)		30.33"
(770.38mm)		8.88"
(225.55mm)		117th Driest
Driest since:
1988
11th Wettest
Wettest since:
1993
Nov 1985–Oct 1986
12-Month		41.45"
(1,052.83mm)		32.07"
(814.58mm)		9.38"
(238.25mm)		119th Driest
Driest since:
1956
9th Wettest
Wettest since:
1993
May 1985–Oct 1986
18-Month		62.37"
(1,584.20mm)		54.47"
(1,383.54mm)		7.90"
(200.66mm)		111th Driest
Driest since:
1956
17th Wettest
Wettest since:
2019
Nov 1984–Oct 1986
24-Month		73.23"
(1,860.04mm)		64.23"
(1,631.44mm)		9.00"
(228.60mm)		108th Driest
Driest since:
1956
19th Wettest
Wettest since:
1993
Nov 1983–Oct 1986
36-Month		111.80"
(2,839.72mm)		96.34"
(2,447.04mm)		15.46"
(392.68mm)		111th Driest
Driest since:
1957
15th Wettest
Wettest since:
2010
Nov 1982–Oct 1986
48-Month		148.86"
(3,781.04mm)		128.36"
(3,260.34mm)		20.50"
(520.70mm)		114th Driest
Driest since:
1958
11th Wettest
Wettest to Date
2010
Nov 1981–Oct 1986
60-Month		187.12"
(4,752.85mm)		160.34"
(4,072.64mm)		26.78"
(680.21mm)		116th Driest
Driest since:
1956
8th Wettest
Wettest to Date
2010

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