Divisional Rankings

Divisional 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, Climate Division 9. Southeast

Precipitation Rankings, December 1964

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 1964
1-Month 		0.90"
(22.86mm)		 1.51"
(38.35mm)		 -0.61"
(-15.49mm)		 34th Driest
Driest since:
 1976
95th Wettest
Wettest since:
 2015
Ties: 1933, 2010, 2021
Nov–Dec 1964
2-Month 		2.59"
(65.79mm)		 3.62"
(91.95mm)		 -1.03"
(-26.16mm)		 42nd Driest
Driest since:
 1976
87th Wettest
Wettest since:
 2015
Oct–Dec 1964
3-Month 		2.64"
(67.06mm)		 6.23"
(158.24mm)		 -3.59"
(-91.18mm)		 6th Driest
Driest since:
 1910
123rd Wettest
Wettest since:
 1941
Sep–Dec 1964
4-Month 		6.17"
(156.72mm)		 10.15"
(257.81mm)		 -3.98"
(-101.09mm)		 17th Driest
Driest since:
 1950
112th Wettest
Wettest since:
 1961
Aug–Dec 1964
5-Month 		8.57"
(217.68mm)		 13.87"
(352.30mm)		 -5.30"
(-134.62mm)		 10th Driest
Driest since:
 1953
119th Wettest
Wettest since:
 1970
Jul–Dec 1964
6-Month 		11.57"
(293.88mm)		 17.85"
(453.39mm)		 -6.28"
(-159.51mm)		 12th Driest
Driest since:
 1953
117th Wettest
Wettest since:
 1902
Jun–Dec 1964
7-Month 		17.22"
(437.39mm)		 22.46"
(570.48mm)		 -5.24"
(-133.09mm)		 26th Driest
Driest since:
 1953
103rd Wettest
Wettest since:
 1902
May–Dec 1964
8-Month 		19.21"
(487.93mm)		 26.50"
(673.10mm)		 -7.29"
(-185.17mm)		 15th Driest
Driest since:
 1953
114th Wettest
Wettest since:
 2010
Apr–Dec 1964
9-Month 		25.13"
(638.30mm)		 29.84"
(757.94mm)		 -4.71"
(-119.64mm)		 30th Driest
Driest since:
 1953
99th Wettest
Wettest since:
 2010
Mar–Dec 1964
10-Month 		27.10"
(688.34mm)		 32.19"
(817.63mm)		 -5.09"
(-129.29mm)		 30th Driest
Driest since:
 1901
99th Wettest
Wettest since:
 2010
Feb–Dec 1964
11-Month 		27.82"
(706.63mm)		 33.42"
(848.87mm)		 -5.60"
(-142.24mm)		 27th Driest
Driest since:
 1901
102nd Wettest
Wettest since:
 2010
Jan–Dec 1964
12-Month 		28.41"
(721.61mm)		 34.75"
(882.65mm)		 -6.34"
(-161.04mm)		 22nd Driest
Driest since:
 1901
107th Wettest
Wettest since:
 2010
Jul 1963–Dec 1964
18-Month 		44.56"
(1,131.82mm)		 52.63"
(1,336.80mm)		 -8.07"
(-204.98mm)		 18th Driest
Driest since:
 1956
110th Wettest
Wettest since:
 2010
Ties: 1976
Jan 1963–Dec 1964
24-Month 		56.24"
(1,428.50mm)		 69.50"
(1,765.30mm)		 -13.26"
(-336.80mm)		 9th Driest
Driest since:
 1989
119th Wettest
Wettest since:
 2010
Jan 1962–Dec 1964
36-Month 		87.54"
(2,223.52mm)		 104.23"
(2,647.44mm)		 -16.69"
(-423.92mm)		 8th Driest
Driest since:
 1989
119th Wettest
Wettest since:
 2010
Jan 1961–Dec 1964
48-Month 		128.35"
(3,260.09mm)		 138.86"
(3,527.04mm)		 -10.51"
(-266.95mm)		 21st Driest
Driest since:
 1956
105th Wettest
Wettest since:
 2010
Jan 1960–Dec 1964
60-Month 		165.98"
(4,215.89mm)		 173.41"
(4,404.61mm)		 -7.43"
(-188.72mm)		 35th Driest
Driest since:
 1956
90th Wettest
Wettest since:
 2011

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