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 1930

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
January 1930 1-Month	1.91" (48.51mm)	1.32" (33.53mm)	0.59" (14.98mm)	98th Driest	Driest since: 1928	1981
	1.91" (48.51mm)	1.32" (33.53mm)	0.59" (14.98mm)	31st Wettest	Wettest since: 1929	1916
	Ties: 1936
Dec 1929–Jan 1930 2-Month	2.55" (64.77mm)	2.82" (71.63mm)	-0.27" (-6.86mm)	57th Driest	Driest since: 1928	1956
Dec 1929–Jan 1930 2-Month	2.55" (64.77mm)	2.82" (71.63mm)	-0.27" (-6.86mm)	71st Wettest	Wettest since: 1929	1907
Nov 1929–Jan 1930 3-Month	4.06" (103.12mm)	4.93" (125.22mm)	-0.87" (-22.10mm)	51st Driest	Driest since: 1928	1956
	4.06" (103.12mm)	4.93" (125.22mm)	-0.87" (-22.10mm)	77th Wettest	Wettest since: 1929	1993
	Ties: 1978
Oct 1929–Jan 1930 4-Month	8.31" (211.07mm)	7.56" (192.02mm)	0.75" (19.05mm)	83rd Driest	Driest since: 1927	1951
Oct 1929–Jan 1930 4-Month	8.31" (211.07mm)	7.56" (192.02mm)	0.75" (19.05mm)	45th Wettest	Wettest since: 1929	1932
Sep 1929–Jan 1930 5-Month	11.99" (304.55mm)	11.48" (291.59mm)	0.51" (12.96mm)	75th Driest	Driest since: 1925	1951
Sep 1929–Jan 1930 5-Month	11.99" (304.55mm)	11.48" (291.59mm)	0.51" (12.96mm)	53rd Wettest	Wettest since: 1929	1962
Aug 1929–Jan 1930 6-Month	14.45" (367.03mm)	15.23" (386.84mm)	-0.78" (-19.81mm)	54th Driest	Driest since: 1925	1954
Aug 1929–Jan 1930 6-Month	14.45" (367.03mm)	15.23" (386.84mm)	-0.78" (-19.81mm)	74th Wettest	Wettest since: 1929	1971
Jul 1929–Jan 1930 7-Month	19.89" (505.21mm)	19.21" (487.93mm)	0.68" (17.28mm)	78th Driest	Driest since: 1928	1954
Jul 1929–Jan 1930 7-Month	19.89" (505.21mm)	19.21" (487.93mm)	0.68" (17.28mm)	50th Wettest	Wettest since: 1929	1903
Jun 1929–Jan 1930 8-Month	23.52" (597.41mm)	23.76" (603.50mm)	-0.24" (-6.09mm)	69th Driest	Driest since: 1928	1954
Jun 1929–Jan 1930 8-Month	23.52" (597.41mm)	23.76" (603.50mm)	-0.24" (-6.09mm)	59th Wettest	Wettest since: 1929	1903
May 1929–Jan 1930 9-Month	25.38" (644.65mm)	27.81" (706.37mm)	-2.43" (-61.72mm)	45th Driest	Driest since: 1924	1954
May 1929–Jan 1930 9-Month	25.38" (644.65mm)	27.81" (706.37mm)	-2.43" (-61.72mm)	83rd Wettest	Wettest since: 1929	2011
Apr 1929–Jan 1930 10-Month	31.78" (807.21mm)	31.15" (791.21mm)	0.63" (16.00mm)	70th Driest	Driest since: 1925	1954
Apr 1929–Jan 1930 10-Month	31.78" (807.21mm)	31.15" (791.21mm)	0.63" (16.00mm)	58th Wettest	Wettest since: 1929	2011
Mar 1929–Jan 1930 11-Month	34.33" (871.98mm)	33.52" (851.41mm)	0.81" (20.57mm)	70th Driest	Driest since: 1925	1902
Mar 1929–Jan 1930 11-Month	34.33" (871.98mm)	33.52" (851.41mm)	0.81" (20.57mm)	58th Wettest	Wettest since: 1929	2011
Feb 1929–Jan 1930 12-Month	35.33" (897.38mm)	34.76" (882.90mm)	0.57" (14.48mm)	67th Driest	Driest since: 1924	1902
Feb 1929–Jan 1930 12-Month	35.33" (897.38mm)	34.76" (882.90mm)	0.57" (14.48mm)	61st Wettest	Wettest since: 1929	2011
Aug 1928–Jan 1930 18-Month	57.99" (1,472.95mm)	49.98" (1,269.49mm)	8.01" (203.46mm)	104th Driest	Driest since: 1926	1957
Aug 1928–Jan 1930 18-Month	57.99" (1,472.95mm)	49.98" (1,269.49mm)	8.01" (203.46mm)	23rd Wettest	Wettest since: 1929	2011
Feb 1928–Jan 1930 24-Month	79.55" (2,020.57mm)	69.50" (1,765.30mm)	10.05" (255.27mm)	111th Driest	Driest since: 1928	1957
Feb 1928–Jan 1930 24-Month	79.55" (2,020.57mm)	69.50" (1,765.30mm)	10.05" (255.27mm)	16th Wettest	Wettest since: 1929	2011
Feb 1927–Jan 1930 36-Month	117.73" (2,990.34mm)	104.12" (2,644.65mm)	13.61" (345.69mm)	106th Driest	Driest since: 1928	1990
Feb 1927–Jan 1930 36-Month	117.73" (2,990.34mm)	104.12" (2,644.65mm)	13.61" (345.69mm)	20th Wettest	Wettest since: 1929	2011
Feb 1926–Jan 1930 48-Month	157.81" (4,008.37mm)	138.65" (3,521.71mm)	19.16" (486.66mm)	115th Driest	Driest since: 1928	1957
Feb 1926–Jan 1930 48-Month	157.81" (4,008.37mm)	138.65" (3,521.71mm)	19.16" (486.66mm)	10th Wettest	Wettest since: 1929	2011
Feb 1925–Jan 1930 60-Month	194.73" (4,946.14mm)	173.26" (4,400.80mm)	21.47" (545.34mm)	109th Driest	Driest since: 1928	1957
Feb 1925–Jan 1930 60-Month	194.73" (4,946.14mm)	173.26" (4,400.80mm)	21.47" (545.34mm)	15th Wettest	Wettest since: 1929	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