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 1931

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
November 1931
1-Month 		5.75"
(146.05mm)		 1.75"
(44.45mm)		 4.00"
(101.60mm)		 128th Driest
Driest since:
 1976
1st Wettest
Wettest to Date
 1931
Oct–Nov 1931
2-Month 		8.72"
(221.49mm)		 4.04"
(102.62mm)		 4.68"
(118.87mm)		 128th Driest
Driest since:
 1910
1st Wettest
Wettest to Date
 1931
Sep–Nov 1931
3-Month 		15.46"
(392.68mm)		 7.71"
(195.83mm)		 7.75"
(196.85mm)		 128th Driest
Driest since:
 1953
1st Wettest
Wettest to Date
 1931
Aug–Nov 1931
4-Month 		18.60"
(472.44mm)		 11.55"
(293.37mm)		 7.05"
(179.07mm)		 126th Driest
Driest since:
 1976
3rd Wettest
Wettest to Date
 2018
Jul–Nov 1931
5-Month 		21.21"
(538.73mm)		 15.41"
(391.41mm)		 5.80"
(147.32mm)		 119th Driest
Driest since:
 1976
10th Wettest
Wettest since:
 1993
Jun–Nov 1931
6-Month 		24.66"
(626.36mm)		 20.04"
(509.02mm)		 4.62"
(117.34mm)		 111th Driest
Driest since:
 1976
18th Wettest
Wettest since:
 1993
May–Nov 1931
7-Month 		27.57"
(700.28mm)		 24.09"
(611.89mm)		 3.48"
(88.39mm)		 94th Driest
Driest since:
 1976
35th Wettest
Wettest since:
 1993
Apr–Nov 1931
8-Month 		29.84"
(757.94mm)		 27.03"
(686.56mm)		 2.81"
(71.38mm)		 88th Driest
Driest since:
 1910
41st Wettest
Wettest since:
 1993
Mar–Nov 1931
9-Month 		31.47"
(799.34mm)		 28.99"
(736.35mm)		 2.48"
(62.99mm)		 83rd Driest
Driest since:
 1910
46th Wettest
Wettest since:
 1993
Feb–Nov 1931
10-Month 		31.70"
(805.18mm)		 30.00"
(762.00mm)		 1.70"
(43.18mm)		 82nd Driest
Driest since:
 1910
47th Wettest
Wettest since:
 1993
Jan–Nov 1931
11-Month 		32.20"
(817.88mm)		 30.98"
(786.89mm)		 1.22"
(30.99mm)		 77th Driest
Driest since:
 1910
52nd Wettest
Wettest since:
 1993
Dec 1930–Nov 1931
12-Month 		32.75"
(831.85mm)		 32.08"
(814.83mm)		 0.67"
(17.02mm)		 72nd Driest
Driest since:
 1910
56th Wettest
Wettest since:
 1993
Jun 1930–Nov 1931
18-Month 		48.95"
(1,243.33mm)		 52.18"
(1,325.37mm)		 -3.23"
(-82.04mm)		 44th Driest
Driest since:
 1956
84th Wettest
Wettest since:
 2019
Dec 1929–Nov 1931
24-Month 		58.69"
(1,490.73mm)		 64.24"
(1,631.70mm)		 -5.55"
(-140.97mm)		 27th Driest
Driest since:
 1956
100th Wettest
Wettest since:
 2019
Dec 1928–Nov 1931
36-Month 		88.61"
(2,250.69mm)		 96.35"
(2,447.29mm)		 -7.74"
(-196.60mm)		 20th Driest
Driest since:
 1957
106th Wettest
Wettest since:
 2010
Dec 1927–Nov 1931
48-Month 		124.26"
(3,156.20mm)		 128.38"
(3,260.85mm)		 -4.12"
(-104.65mm)		 37th Driest
Driest since:
 1958
88th Wettest
Wettest since:
 2010
Dec 1926–Nov 1931
60-Month 		153.56"
(3,900.42mm)		 160.36"
(4,073.14mm)		 -6.80"
(-172.72mm)		 23rd Driest
Driest since:
 1956
101st Wettest
Wettest since:
 2010
Ties: 1967

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