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 2019

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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
November 2019
1-Month 		1.49"
(37.85mm)		 1.75"
(44.45mm)		 -0.26"
(-6.60mm)		 59th Driest
Driest since:
 1976
70th Wettest
Wettest since:
 1931
Oct–Nov 2019
2-Month 		6.27"
(159.26mm)		 4.04"
(102.62mm)		 2.23"
(56.64mm)		 115th Driest
Driest since:
 1910
14th Wettest
Wettest since:
 1931
Sep–Nov 2019
3-Month 		12.48"
(316.99mm)		 7.71"
(195.83mm)		 4.77"
(121.16mm)		 123rd Driest
Driest since:
 1953
6th Wettest
Wettest since:
 1931
Aug–Nov 2019
4-Month 		16.01"
(406.65mm)		 11.55"
(293.37mm)		 4.46"
(113.28mm)		 119th Driest
Driest since:
 1976
10th Wettest
Wettest since:
 2018
Jul–Nov 2019
5-Month 		19.39"
(492.51mm)		 15.41"
(391.41mm)		 3.98"
(101.10mm)		 107th Driest
Driest since:
 1976
22nd Wettest
Wettest since:
 1993
Jun–Nov 2019
6-Month 		23.30"
(591.82mm)		 20.04"
(509.02mm)		 3.26"
(82.80mm)		 101st Driest
Driest since:
 1976
28th Wettest
Wettest since:
 1993
May–Nov 2019
7-Month 		31.51"
(800.35mm)		 24.09"
(611.89mm)		 7.42"
(188.46mm)		 121st Driest
Driest since:
 1976
8th Wettest
Wettest since:
 1993
Apr–Nov 2019
8-Month 		34.54"
(877.32mm)		 27.03"
(686.56mm)		 7.51"
(190.76mm)		 120th Driest
Driest since:
 1910
9th Wettest
Wettest since:
 1993
Mar–Nov 2019
9-Month 		36.73"
(932.94mm)		 28.99"
(736.35mm)		 7.74"
(196.59mm)		 119th Driest
Driest since:
 1910
10th Wettest
Wettest since:
 1993
Feb–Nov 2019
10-Month 		39.07"
(992.38mm)		 30.00"
(762.00mm)		 9.07"
(230.38mm)		 121st Driest
Driest since:
 1910
8th Wettest
Wettest since:
 1993
Jan–Nov 2019
11-Month 		40.35"
(1,024.89mm)		 30.98"
(786.89mm)		 9.37"
(238.00mm)		 121st Driest
Driest since:
 1910
8th Wettest
Wettest since:
 1993
Dec 2018–Nov 2019
12-Month 		42.45"
(1,078.23mm)		 32.08"
(814.83mm)		 10.37"
(263.40mm)		 121st Driest
Driest since:
 1910
7th Wettest
Wettest since:
 1993
Jun 2018–Nov 2019
18-Month 		74.35"
(1,888.49mm)		 52.18"
(1,325.37mm)		 22.17"
(563.12mm)		 127th Driest
Driest since:
 1956
1st Wettest
Wettest to Date
 2019
Dec 2017–Nov 2019
24-Month 		85.82"
(2,179.83mm)		 64.24"
(1,631.70mm)		 21.58"
(548.13mm)		 126th Driest
Driest since:
 1956
1st Wettest
Wettest to Date
 2019
Dec 2016–Nov 2019
36-Month 		119.31"
(3,030.47mm)		 96.35"
(2,447.29mm)		 22.96"
(583.18mm)		 122nd Driest
Driest since:
 1957
4th Wettest
Wettest since:
 2010
Dec 2015–Nov 2019
48-Month 		160.60"
(4,079.24mm)		 128.38"
(3,260.85mm)		 32.22"
(818.39mm)		 123rd Driest
Driest since:
 1958
2nd Wettest
Wettest since:
 2010
Dec 2014–Nov 2019
60-Month 		199.52"
(5,067.81mm)		 160.36"
(4,073.14mm)		 39.16"
(994.67mm)		 121st Driest
Driest since:
 1956
3rd Wettest
Wettest since:
 2010

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