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, November 2017

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
November 2017
1-Month		0.41"
(10.41mm)		1.75"
(44.45mm)		-1.34"
(-34.04mm)		13th Driest
Driest since:
1976
116th Wettest
Wettest since:
1931
Oct–Nov 2017
2-Month		5.67"
(144.02mm)		4.04"
(102.62mm)		1.63"
(41.40mm)		106th Driest
Driest since:
1910
23rd Wettest
Wettest since:
1931
Sep–Nov 2017
3-Month		7.98"
(202.69mm)		7.71"
(195.83mm)		0.27"
(6.86mm)		76th Driest
Driest since:
1953
53rd Wettest
Wettest since:
1931
Aug–Nov 2017
4-Month		11.81"
(299.97mm)		11.55"
(293.37mm)		0.26"
(6.60mm)		68th Driest
Driest since:
1976
61st Wettest
Wettest since:
2018
Jul–Nov 2017
5-Month		14.75"
(374.65mm)		15.41"
(391.41mm)		-0.66"
(-16.76mm)		56th Driest
Driest since:
1976
73rd Wettest
Wettest since:
1993
Jun–Nov 2017
6-Month		18.25"
(463.55mm)		20.04"
(509.02mm)		-1.79"
(-45.47mm)		45th Driest
Driest since:
1976
84th Wettest
Wettest since:
1993
May–Nov 2017
7-Month		23.05"
(585.47mm)		24.09"
(611.89mm)		-1.04"
(-26.42mm)		55th Driest
Driest since:
1976
74th Wettest
Wettest since:
1993
Apr–Nov 2017
8-Month		26.85"
(681.99mm)		27.03"
(686.56mm)		-0.18"
(-4.57mm)		60th Driest
Driest since:
1910
69th Wettest
Wettest since:
1993
Mar–Nov 2017
9-Month		29.42"
(747.27mm)		28.99"
(736.35mm)		0.43"
(10.92mm)		69th Driest
Driest since:
1910
60th Wettest
Wettest since:
1993
Feb–Nov 2017
10-Month		30.41"
(772.41mm)		30.00"
(762.00mm)		0.41"
(10.41mm)		71st Driest
Driest since:
1910
58th Wettest
Wettest since:
1993
Jan–Nov 2017
11-Month		31.97"
(812.04mm)		30.98"
(786.89mm)		0.99"
(25.15mm)		76th Driest
Driest since:
1910
53rd Wettest
Wettest since:
1993
Dec 2016–Nov 2017
12-Month		33.49"
(850.65mm)		32.08"
(814.83mm)		1.41"
(35.82mm)		78th Driest
Driest since:
1910
50th Wettest
Wettest since:
1993
Ties: 1945
Jun 2016–Nov 2017
18-Month		58.77"
(1,492.76mm)		52.18"
(1,325.37mm)		6.59"
(167.39mm)		108th Driest
Driest since:
1956
20th Wettest
Wettest since:
2019
Dec 2015–Nov 2017
24-Month		74.78"
(1,899.41mm)		64.24"
(1,631.70mm)		10.54"
(267.71mm)		111th Driest
Driest since:
1956
16th Wettest
Wettest since:
2019
Dec 2014–Nov 2017
36-Month		113.70"
(2,887.98mm)		96.35"
(2,447.29mm)		17.35"
(440.69mm)		114th Driest
Driest since:
1957
12th Wettest
Wettest since:
2010
Dec 2013–Nov 2017
48-Month		151.91"
(3,858.51mm)		128.38"
(3,260.85mm)		23.53"
(597.66mm)		117th Driest
Driest since:
1958
8th Wettest
Wettest since:
2010
Dec 2012–Nov 2017
60-Month		187.26"
(4,756.40mm)		160.36"
(4,073.14mm)		26.90"
(683.26mm)		117th Driest
Driest since:
1956
7th Wettest
Wettest since:
2010

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