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 1931

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
January 1931 1-Month	0.61" (15.49mm)	1.32" (33.53mm)	-0.71" (-18.04mm)	30th Driest	Driest since: 1928	1981
January 1931 1-Month	0.61" (15.49mm)	1.32" (33.53mm)	-0.71" (-18.04mm)	99th Wettest	Wettest since: 1930	1916
Dec 1930–Jan 1931 2-Month	1.78" (45.21mm)	2.82" (71.63mm)	-1.04" (-26.42mm)	28th Driest	Driest since: 1928	1956
Dec 1930–Jan 1931 2-Month	1.78" (45.21mm)	2.82" (71.63mm)	-1.04" (-26.42mm)	100th Wettest	Wettest since: 1930	1907
Nov 1930–Jan 1931 3-Month	4.05" (102.87mm)	4.93" (125.22mm)	-0.88" (-22.35mm)	49th Driest	Driest since: 1928	1956
	4.05" (102.87mm)	4.93" (125.22mm)	-0.88" (-22.35mm)	79th Wettest	Wettest since: 1930	1993
	Ties: 1955
Oct 1930–Jan 1931 4-Month	6.52" (165.61mm)	7.56" (192.02mm)	-1.04" (-26.41mm)	42nd Driest	Driest since: 1927	1951
Oct 1930–Jan 1931 4-Month	6.52" (165.61mm)	7.56" (192.02mm)	-1.04" (-26.41mm)	86th Wettest	Wettest since: 1930	1932
Sep 1930–Jan 1931 5-Month	9.00" (228.60mm)	11.48" (291.59mm)	-2.48" (-62.99mm)	37th Driest	Driest since: 1925	1951
Sep 1930–Jan 1931 5-Month	9.00" (228.60mm)	11.48" (291.59mm)	-2.48" (-62.99mm)	91st Wettest	Wettest since: 1930	1962
Aug 1930–Jan 1931 6-Month	11.18" (283.97mm)	15.23" (386.84mm)	-4.05" (-102.87mm)	24th Driest	Driest since: 1923	1954
Aug 1930–Jan 1931 6-Month	11.18" (283.97mm)	15.23" (386.84mm)	-4.05" (-102.87mm)	104th Wettest	Wettest since: 1930	1971
Jul 1930–Jan 1931 7-Month	12.43" (315.72mm)	19.21" (487.93mm)	-6.78" (-172.21mm)	10th Driest	Driest since: 1918	1954
Jul 1930–Jan 1931 7-Month	12.43" (315.72mm)	19.21" (487.93mm)	-6.78" (-172.21mm)	118th Wettest	Wettest since: 1930	1903
Jun 1930–Jan 1931 8-Month	20.66" (524.76mm)	23.76" (603.50mm)	-3.10" (-78.74mm)	37th Driest	Driest since: 1923	1954
Jun 1930–Jan 1931 8-Month	20.66" (524.76mm)	23.76" (603.50mm)	-3.10" (-78.74mm)	91st Wettest	Wettest since: 1930	1903
May 1930–Jan 1931 9-Month	23.58" (598.93mm)	27.81" (706.37mm)	-4.23" (-107.44mm)	32nd Driest	Driest since: 1923	1954
May 1930–Jan 1931 9-Month	23.58" (598.93mm)	27.81" (706.37mm)	-4.23" (-107.44mm)	96th Wettest	Wettest since: 1930	2011
Apr 1930–Jan 1931 10-Month	25.69" (652.53mm)	31.15" (791.21mm)	-5.46" (-138.68mm)	20th Driest	Driest since: 1923	1954
Apr 1930–Jan 1931 10-Month	25.69" (652.53mm)	31.15" (791.21mm)	-5.46" (-138.68mm)	108th Wettest	Wettest since: 1930	2011
Mar 1930–Jan 1931 11-Month	26.76" (679.70mm)	33.52" (851.41mm)	-6.76" (-171.71mm)	13th Driest	Driest since: 1913	1902
Mar 1930–Jan 1931 11-Month	26.76" (679.70mm)	33.52" (851.41mm)	-6.76" (-171.71mm)	115th Wettest	Wettest since: 1930	2011
Feb 1930–Jan 1931 12-Month	27.90" (708.66mm)	34.76" (882.90mm)	-6.86" (-174.24mm)	15th Driest	Driest since: 1913	1902
Feb 1930–Jan 1931 12-Month	27.90" (708.66mm)	34.76" (882.90mm)	-6.86" (-174.24mm)	113th Wettest	Wettest since: 1930	2011
Aug 1929–Jan 1931 18-Month	42.35" (1,075.69mm)	49.98" (1,269.49mm)	-7.63" (-193.80mm)	17th Driest	Driest since: 1924	1957
Aug 1929–Jan 1931 18-Month	42.35" (1,075.69mm)	49.98" (1,269.49mm)	-7.63" (-193.80mm)	110th Wettest	Wettest since: 1930	2011
Feb 1929–Jan 1931 24-Month	63.23" (1,606.04mm)	69.50" (1,765.30mm)	-6.27" (-159.26mm)	27th Driest	Driest since: 1924	1957
Feb 1929–Jan 1931 24-Month	63.23" (1,606.04mm)	69.50" (1,765.30mm)	-6.27" (-159.26mm)	100th Wettest	Wettest since: 1930	2011
Feb 1928–Jan 1931 36-Month	107.45" (2,729.23mm)	104.12" (2,644.65mm)	3.33" (84.58mm)	78th Driest	Driest since: 1926	1990
Feb 1928–Jan 1931 36-Month	107.45" (2,729.23mm)	104.12" (2,644.65mm)	3.33" (84.58mm)	48th Wettest	Wettest since: 1930	2011
Feb 1927–Jan 1931 48-Month	145.63" (3,699.00mm)	138.65" (3,521.71mm)	6.98" (177.29mm)	81st Driest	Driest since: 1927	1957
	145.63" (3,699.00mm)	138.65" (3,521.71mm)	6.98" (177.29mm)	44th Wettest	Wettest since: 1930	2011
	Ties: 1973
Feb 1926–Jan 1931 60-Month	185.71" (4,717.03mm)	173.26" (4,400.80mm)	12.45" (316.23mm)	91st Driest	Driest since: 1928	1957
Feb 1926–Jan 1931 60-Month	185.71" (4,717.03mm)	173.26" (4,400.80mm)	12.45" (316.23mm)	33rd Wettest	Wettest since: 1930	2012

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings