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 1928

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
December 1928
1-Month		1.34"
(34.04mm)		1.51"
(38.35mm)		-0.17"
(-4.31mm)		60th Driest
Driest since:
1976
69th Wettest
Wettest since:
2015
Nov–Dec 1928
2-Month		6.15"
(156.21mm)		3.62"
(91.95mm)		2.53"
(64.26mm)		114th Driest
Driest since:
1976
15th Wettest
Wettest since:
2015
Oct–Dec 1928
3-Month		10.60"
(269.24mm)		6.23"
(158.24mm)		4.37"
(111.00mm)		120th Driest
Driest since:
1910
9th Wettest
Wettest to Date
1941
Sep–Dec 1928
4-Month		14.73"
(374.14mm)		10.15"
(257.81mm)		4.58"
(116.33mm)		113th Driest
Driest since:
1950
16th Wettest
Wettest since:
1961
Ties: 1959
Aug–Dec 1928
5-Month		20.10"
(510.54mm)		13.87"
(352.30mm)		6.23"
(158.24mm)		118th Driest
Driest since:
1953
11th Wettest
Wettest since:
1970
Jul–Dec 1928
6-Month		25.79"
(655.07mm)		17.85"
(453.39mm)		7.94"
(201.68mm)		119th Driest
Driest since:
1953
10th Wettest
Wettest since:
1902
Ties: 1931
Jun–Dec 1928
7-Month		33.33"
(846.58mm)		22.46"
(570.48mm)		10.87"
(276.10mm)		124th Driest
Driest since:
1953
5th Wettest
Wettest since:
1902
May–Dec 1928
8-Month		35.09"
(891.29mm)		26.50"
(673.10mm)		8.59"
(218.19mm)		117th Driest
Driest since:
1953
12th Wettest
Wettest since:
2010
Apr–Dec 1928
9-Month		37.93"
(963.42mm)		29.84"
(757.94mm)		8.09"
(205.48mm)		115th Driest
Driest since:
1953
14th Wettest
Wettest since:
2010
Mar–Dec 1928
10-Month		39.75"
(1,009.65mm)		32.19"
(817.63mm)		7.56"
(192.02mm)		113th Driest
Driest since:
1901
16th Wettest
Wettest since:
2010
Feb–Dec 1928
11-Month		41.66"
(1,058.16mm)		33.42"
(848.87mm)		8.24"
(209.29mm)		113th Driest
Driest since:
1901
16th Wettest
Wettest since:
2010
Jan–Dec 1928
12-Month		41.87"
(1,063.50mm)		34.75"
(882.65mm)		7.12"
(180.85mm)		111th Driest
Driest since:
1901
18th Wettest
Wettest since:
2010
Jul 1927–Dec 1928
18-Month		59.70"
(1,516.38mm)		52.63"
(1,336.80mm)		7.07"
(179.58mm)		101st Driest
Driest since:
1956
27th Wettest
Wettest since:
2010
Jan 1927–Dec 1928
24-Month		80.40"
(2,042.16mm)		69.50"
(1,765.30mm)		10.90"
(276.86mm)		112th Driest
Driest since:
1989
16th Wettest
Wettest since:
2010
Jan 1926–Dec 1928
36-Month		120.94"
(3,071.88mm)		104.23"
(2,647.44mm)		16.71"
(424.44mm)		117th Driest
Driest since:
1989
10th Wettest
Wettest to Date
2010
Jan 1925–Dec 1928
48-Month		157.26"
(3,994.40mm)		138.86"
(3,527.04mm)		18.40"
(467.36mm)		116th Driest
Driest since:
1956
10th Wettest
Wettest to Date
2010
Jan 1924–Dec 1928
60-Month		193.51"
(4,915.15mm)		173.41"
(4,404.61mm)		20.10"
(510.54mm)		110th Driest
Driest since:
1956
15th Wettest
Wettest to Date
2011

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