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, January 1939

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Record Driest

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
January 1939 1-Month	0.89" (22.61mm)	1.32" (33.53mm)	-0.43" (-10.92mm)	47th Driest	Driest since: 1934	1981
January 1939 1-Month	0.89" (22.61mm)	1.32" (33.53mm)	-0.43" (-10.92mm)	83rd Wettest	Wettest since: 1938	1916
Dec 1938–Jan 1939 2-Month	1.67" (42.42mm)	2.82" (71.63mm)	-1.15" (-29.21mm)	21st Driest	Driest since: 1927	1956
Dec 1938–Jan 1939 2-Month	1.67" (42.42mm)	2.82" (71.63mm)	-1.15" (-29.21mm)	108th Wettest	Wettest since: 1938	1907
Nov 1938–Jan 1939 3-Month	5.64" (143.26mm)	4.93" (125.22mm)	0.71" (18.04mm)	84th Driest	Driest since: 1938	1956
Nov 1938–Jan 1939 3-Month	5.64" (143.26mm)	4.93" (125.22mm)	0.71" (18.04mm)	45th Wettest	Wettest since: 1937	1993
Oct 1938–Jan 1939 4-Month	7.32" (185.93mm)	7.56" (192.02mm)	-0.24" (-6.09mm)	61st Driest	Driest since: 1938	1951
Oct 1938–Jan 1939 4-Month	7.32" (185.93mm)	7.56" (192.02mm)	-0.24" (-6.09mm)	68th Wettest	Wettest since: 1937	1932
Sep 1938–Jan 1939 5-Month	9.18" (233.17mm)	11.48" (291.59mm)	-2.30" (-58.42mm)	41st Driest	Driest since: 1938	1951
Sep 1938–Jan 1939 5-Month	9.18" (233.17mm)	11.48" (291.59mm)	-2.30" (-58.42mm)	88th Wettest	Wettest since: 1937	1962
Aug 1938–Jan 1939 6-Month	13.42" (340.87mm)	15.23" (386.84mm)	-1.81" (-45.97mm)	48th Driest	Driest since: 1938	1954
Aug 1938–Jan 1939 6-Month	13.42" (340.87mm)	15.23" (386.84mm)	-1.81" (-45.97mm)	81st Wettest	Wettest since: 1937	1971
Jul 1938–Jan 1939 7-Month	16.62" (422.15mm)	19.21" (487.93mm)	-2.59" (-65.78mm)	37th Driest	Driest since: 1938	1954
	16.62" (422.15mm)	19.21" (487.93mm)	-2.59" (-65.78mm)	92nd Wettest	Wettest since: 1937	1903
	Ties: 1950
Jun 1938–Jan 1939 8-Month	22.20" (563.88mm)	23.76" (603.50mm)	-1.56" (-39.62mm)	52nd Driest	Driest since: 1938	1954
Jun 1938–Jan 1939 8-Month	22.20" (563.88mm)	23.76" (603.50mm)	-1.56" (-39.62mm)	77th Wettest	Wettest since: 1936	1903
May 1938–Jan 1939 9-Month	27.09" (688.09mm)	27.81" (706.37mm)	-0.72" (-18.28mm)	58th Driest	Driest since: 1938	1954
May 1938–Jan 1939 9-Month	27.09" (688.09mm)	27.81" (706.37mm)	-0.72" (-18.28mm)	71st Wettest	Wettest since: 1936	2011
Apr 1938–Jan 1939 10-Month	30.84" (783.34mm)	31.15" (791.21mm)	-0.31" (-7.87mm)	61st Driest	Driest since: 1938	1954
Apr 1938–Jan 1939 10-Month	30.84" (783.34mm)	31.15" (791.21mm)	-0.31" (-7.87mm)	68th Wettest	Wettest since: 1936	2011
Mar 1938–Jan 1939 11-Month	34.60" (878.84mm)	33.52" (851.41mm)	1.08" (27.43mm)	74th Driest	Driest since: 1938	1902
	34.60" (878.84mm)	33.52" (851.41mm)	1.08" (27.43mm)	55th Wettest	Wettest since: 1936	2011
	Ties: 1920
Feb 1938–Jan 1939 12-Month	35.78" (908.81mm)	34.76" (882.90mm)	1.02" (25.91mm)	73rd Driest	Driest since: 1938	1902
Feb 1938–Jan 1939 12-Month	35.78" (908.81mm)	34.76" (882.90mm)	1.02" (25.91mm)	56th Wettest	Wettest since: 1936	2011
Aug 1937–Jan 1939 18-Month	46.27" (1,175.26mm)	49.98" (1,269.49mm)	-3.71" (-94.23mm)	44th Driest	Driest since: 1937	1957
Aug 1937–Jan 1939 18-Month	46.27" (1,175.26mm)	49.98" (1,269.49mm)	-3.71" (-94.23mm)	84th Wettest	Wettest since: 1938	2011
Feb 1937–Jan 1939 24-Month	62.92" (1,598.17mm)	69.50" (1,765.30mm)	-6.58" (-167.13mm)	25th Driest	Driest since: 1938	1957
Feb 1937–Jan 1939 24-Month	62.92" (1,598.17mm)	69.50" (1,765.30mm)	-6.58" (-167.13mm)	103rd Wettest	Wettest since: 1937	2011
Feb 1936–Jan 1939 36-Month	90.31" (2,293.87mm)	104.12" (2,644.65mm)	-13.81" (-350.78mm)	11th Driest	Driest since: 1915	1990
Feb 1936–Jan 1939 36-Month	90.31" (2,293.87mm)	104.12" (2,644.65mm)	-13.81" (-350.78mm)	116th Wettest	Wettest since: 1938	2011
Feb 1935–Jan 1939 48-Month	130.87" (3,324.10mm)	138.65" (3,521.71mm)	-7.78" (-197.61mm)	27th Driest	Driest since: 1938	1957
Feb 1935–Jan 1939 48-Month	130.87" (3,324.10mm)	138.65" (3,521.71mm)	-7.78" (-197.61mm)	99th Wettest	Wettest since: 1936	2011
Feb 1934–Jan 1939 60-Month	159.84" (4,059.94mm)	173.26" (4,400.80mm)	-13.42" (-340.86mm)	18th Driest	Driest since: 1938	1957
Feb 1934–Jan 1939 60-Month	159.84" (4,059.94mm)	173.26" (4,400.80mm)	-13.42" (-340.86mm)	107th Wettest	Wettest since: 1937	2012

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 24, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings