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, December 1919

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 1919
1-Month 		0.57"
(14.48mm)		 1.11"
(28.19mm)		 -0.54"
(-13.71mm)		 23rd Driest
Driest since:
 2002
106th Wettest
Wettest since:
 2015
Nov–Dec 1919
2-Month 		3.98"
(101.09mm)		 2.87"
(72.90mm)		 1.11"
(28.19mm)		 108th Driest
Driest since:
 1976
21st Wettest
Wettest since:
 2015
Oct–Dec 1919
3-Month 		7.15"
(181.61mm)		 5.16"
(131.06mm)		 1.99"
(50.55mm)		 111th Driest
Driest since:
 1910
18th Wettest
Wettest since:
 1931
Sep–Dec 1919
4-Month 		12.45"
(316.23mm)		 8.83"
(224.28mm)		 3.62"
(91.95mm)		 112th Driest
Driest since:
 1939, 1976
17th Wettest
Wettest since:
 1931
Aug–Dec 1919
5-Month 		15.08"
(383.03mm)		 12.67"
(321.82mm)		 2.41"
(61.21mm)		 97th Driest
Driest since:
 1976
32nd Wettest
Wettest since:
 2018
Jul–Dec 1919
6-Month 		17.82"
(452.63mm)		 16.52"
(419.61mm)		 1.30"
(33.02mm)		 83rd Driest
Driest since:
 1976
46th Wettest
Wettest since:
 2018
Jun–Dec 1919
7-Month 		23.67"
(601.22mm)		 21.15"
(537.21mm)		 2.52"
(64.01mm)		 95th Driest
Driest since:
 1976
34th Wettest
Wettest since:
 2018
May–Dec 1919
8-Month 		26.74"
(679.20mm)		 25.20"
(640.08mm)		 1.54"
(39.12mm)		 80th Driest
Driest since:
 1976
49th Wettest
Wettest since:
 1993
Apr–Dec 1919
9-Month 		31.53"
(800.86mm)		 28.15"
(715.01mm)		 3.38"
(85.85mm)		 93rd Driest
Driest since:
 1910
36th Wettest
Wettest since:
 1993
Ties: 1905
Mar–Dec 1919
10-Month 		33.79"
(858.27mm)		 30.10"
(764.54mm)		 3.69"
(93.73mm)		 94th Driest
Driest since:
 1910
35th Wettest
Wettest since:
 1993
Feb–Dec 1919
11-Month 		36.16"
(918.46mm)		 31.12"
(790.45mm)		 5.04"
(128.01mm)		 102nd Driest
Driest since:
 1910
27th Wettest
Wettest since:
 1993
Jan–Dec 1919
12-Month 		36.40"
(924.56mm)		 32.09"
(815.09mm)		 4.31"
(109.47mm)		 99th Driest
Driest since:
 1910
30th Wettest
Wettest since:
 1993
Jul 1918–Dec 1919
18-Month 		52.00"
(1,320.80mm)		 48.69"
(1,236.73mm)		 3.31"
(84.07mm)		 86th Driest
Driest since:
 1956
42nd Wettest
Wettest since:
 1993
Jan 1918–Dec 1919
24-Month 		68.94"
(1,751.08mm)		 64.24"
(1,631.70mm)		 4.70"
(119.38mm)		 91st Driest
Driest since:
 1989
37th Wettest
Wettest since:
 2019
Jan 1917–Dec 1919
36-Month 		96.56"
(2,452.62mm)		 96.36"
(2,447.54mm)		 0.20"
(5.08mm)		 60th Driest
Driest since:
 1957
67th Wettest
Wettest since:
 2010
Jan 1916–Dec 1919
48-Month 		125.06"
(3,176.52mm)		 128.37"
(3,260.60mm)		 -3.31"
(-84.08mm)		 41st Driest
Driest since:
 1958
85th Wettest
Wettest since:
 2010
Jan 1915–Dec 1919
60-Month 		164.04"
(4,166.62mm)		 160.36"
(4,073.14mm)		 3.68"
(93.48mm)		 71st Driest
Driest since:
 1956
54th Wettest
Wettest since:
 2010

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