Divisional Rankings

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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 1909

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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
December 1909 1-Month	2.68" (68.07mm)	1.51" (38.35mm)	1.17" (29.72mm)	116th Driest	Driest since: 1908	1976
December 1909 1-Month	2.68" (68.07mm)	1.51" (38.35mm)	1.17" (29.72mm)	13th Wettest	Wettest since: 1895	2015
Nov–Dec 1909 2-Month	7.21" (183.13mm)	3.62" (91.95mm)	3.59" (91.18mm)	122nd Driest	Driest since: 1908	1976
Nov–Dec 1909 2-Month	7.21" (183.13mm)	3.62" (91.95mm)	3.59" (91.18mm)	7th Wettest	Wettest to Date	2015
Oct–Dec 1909 3-Month	9.91" (251.71mm)	6.23" (158.24mm)	3.68" (93.47mm)	115th Driest	Driest since: 1908	1910
Oct–Dec 1909 3-Month	9.91" (251.71mm)	6.23" (158.24mm)	3.68" (93.47mm)	14th Wettest	Wettest to Date	1941
Sep–Dec 1909 4-Month	13.12" (333.25mm)	10.15" (257.81mm)	2.97" (75.44mm)	100th Driest	Driest since: 1908	1950
Sep–Dec 1909 4-Month	13.12" (333.25mm)	10.15" (257.81mm)	2.97" (75.44mm)	29th Wettest	Wettest to Date	1961
Aug–Dec 1909 5-Month	13.89" (352.81mm)	13.87" (352.30mm)	0.02" (0.51mm)	70th Driest	Driest since: 1908	1953
Aug–Dec 1909 5-Month	13.89" (352.81mm)	13.87" (352.30mm)	0.02" (0.51mm)	59th Wettest	Wettest since: 1905	1970
Jul–Dec 1909 6-Month	19.48" (494.79mm)	17.85" (453.39mm)	1.63" (41.40mm)	88th Driest	Driest since: 1908	1953
Jul–Dec 1909 6-Month	19.48" (494.79mm)	17.85" (453.39mm)	1.63" (41.40mm)	41st Wettest	Wettest since: 1902	1902
Jun–Dec 1909 7-Month	24.94" (633.48mm)	22.46" (570.48mm)	2.48" (63.00mm)	89th Driest	Driest since: 1908	1953
Jun–Dec 1909 7-Month	24.94" (633.48mm)	22.46" (570.48mm)	2.48" (63.00mm)	40th Wettest	Wettest since: 1902	1902
May–Dec 1909 8-Month	29.57" (751.08mm)	26.50" (673.10mm)	3.07" (77.98mm)	91st Driest	Driest since: 1908	1953
May–Dec 1909 8-Month	29.57" (751.08mm)	26.50" (673.10mm)	3.07" (77.98mm)	38th Wettest	Wettest since: 1902	2010
Apr–Dec 1909 9-Month	34.41" (874.01mm)	29.84" (757.94mm)	4.57" (116.07mm)	97th Driest	Driest since: 1908	1953
Apr–Dec 1909 9-Month	34.41" (874.01mm)	29.84" (757.94mm)	4.57" (116.07mm)	32nd Wettest	Wettest since: 1902	2010
Mar–Dec 1909 10-Month	36.37" (923.80mm)	32.19" (817.63mm)	4.18" (106.17mm)	93rd Driest	Driest since: 1908	1901
Mar–Dec 1909 10-Month	36.37" (923.80mm)	32.19" (817.63mm)	4.18" (106.17mm)	36th Wettest	Wettest since: 1902	2010
Feb–Dec 1909 11-Month	38.52" (978.41mm)	33.42" (848.87mm)	5.10" (129.54mm)	98th Driest	Driest since: 1908	1901
Feb–Dec 1909 11-Month	38.52" (978.41mm)	33.42" (848.87mm)	5.10" (129.54mm)	31st Wettest	Wettest since: 1902	2010
Jan–Dec 1909 12-Month	40.23" (1,021.84mm)	34.75" (882.65mm)	5.48" (139.19mm)	102nd Driest	Driest since: 1908	1901
Jan–Dec 1909 12-Month	40.23" (1,021.84mm)	34.75" (882.65mm)	5.48" (139.19mm)	27th Wettest	Wettest since: 1902	2010
Jul 1908–Dec 1909 18-Month	54.20" (1,376.68mm)	52.63" (1,336.80mm)	1.57" (39.88mm)	78th Driest	Driest since: 1908	1956
Jul 1908–Dec 1909 18-Month	54.20" (1,376.68mm)	52.63" (1,336.80mm)	1.57" (39.88mm)	50th Wettest	Wettest since: 1903	2010
Jan 1908–Dec 1909 24-Month	74.52" (1,892.81mm)	69.50" (1,765.30mm)	5.02" (127.51mm)	88th Driest	Driest since: 1908	1989
Jan 1908–Dec 1909 24-Month	74.52" (1,892.81mm)	69.50" (1,765.30mm)	5.02" (127.51mm)	40th Wettest	Wettest since: 1903	2010
Jan 1907–Dec 1909 36-Month	110.29" (2,801.37mm)	104.23" (2,647.44mm)	6.06" (153.93mm)	88th Driest	Driest since: 1908	1989
Jan 1907–Dec 1909 36-Month	110.29" (2,801.37mm)	104.23" (2,647.44mm)	6.06" (153.93mm)	39th Wettest	Wettest since: 1904	2010
Jan 1906–Dec 1909 48-Month	140.12" (3,559.05mm)	138.86" (3,527.04mm)	1.26" (32.01mm)	64th Driest	Driest since: 1908	1956
Jan 1906–Dec 1909 48-Month	140.12" (3,559.05mm)	138.86" (3,527.04mm)	1.26" (32.01mm)	62nd Wettest	Wettest since: 1905	2010
Jan 1905–Dec 1909 60-Month	177.79" (4,515.87mm)	173.41" (4,404.61mm)	4.38" (111.26mm)	69th Driest	Driest since: 1908	1956
Jan 1905–Dec 1909 60-Month	177.79" (4,515.87mm)	173.41" (4,404.61mm)	4.38" (111.26mm)	56th Wettest	Wettest since: 1906	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings