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, April 1931

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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
April 1931 1-Month	3.79" (96.27mm)	3.34" (84.84mm)	0.45" (11.43mm)	83rd Driest	Driest since: 1930	2018
April 1931 1-Month	3.79" (96.27mm)	3.34" (84.84mm)	0.45" (11.43mm)	47th Wettest	Wettest since: 1929	1973
Mar–Apr 1931 2-Month	6.43" (163.32mm)	5.70" (144.78mm)	0.73" (18.54mm)	84th Driest	Driest since: 1930	1915
Mar–Apr 1931 2-Month	6.43" (163.32mm)	5.70" (144.78mm)	0.73" (18.54mm)	46th Wettest	Wettest since: 1929	1973
Feb–Apr 1931 3-Month	6.72" (170.69mm)	6.92" (175.77mm)	-0.20" (-5.08mm)	58th Driest	Driest since: 1930	1958
Feb–Apr 1931 3-Month	6.72" (170.69mm)	6.92" (175.77mm)	-0.20" (-5.08mm)	72nd Wettest	Wettest since: 1929	1973
Jan–Apr 1931 4-Month	7.33" (186.18mm)	8.25" (209.55mm)	-0.92" (-23.37mm)	45th Driest	Driest since: 1930	1956
Jan–Apr 1931 4-Month	7.33" (186.18mm)	8.25" (209.55mm)	-0.92" (-23.37mm)	85th Wettest	Wettest since: 1929	1973
Dec 1930–Apr 1931 5-Month	8.50" (215.90mm)	9.74" (247.40mm)	-1.24" (-31.50mm)	41st Driest	Driest since: 1930	1956
Dec 1930–Apr 1931 5-Month	8.50" (215.90mm)	9.74" (247.40mm)	-1.24" (-31.50mm)	88th Wettest	Wettest since: 1929	1973
Nov 1930–Apr 1931 6-Month	10.77" (273.56mm)	11.86" (301.24mm)	-1.09" (-27.68mm)	44th Driest	Driest since: 1930	1956
	10.77" (273.56mm)	11.86" (301.24mm)	-1.09" (-27.68mm)	85th Wettest	Wettest since: 1929	1973
	Ties: 1917
Oct 1930–Apr 1931 7-Month	13.24" (336.30mm)	14.49" (368.05mm)	-1.25" (-31.75mm)	44th Driest	Driest since: 1930	1956
Oct 1930–Apr 1931 7-Month	13.24" (336.30mm)	14.49" (368.05mm)	-1.25" (-31.75mm)	85th Wettest	Wettest since: 1929	1929
Sep 1930–Apr 1931 8-Month	15.72" (399.29mm)	18.41" (467.61mm)	-2.69" (-68.32mm)	31st Driest	Driest since: 1925	1956
Sep 1930–Apr 1931 8-Month	15.72" (399.29mm)	18.41" (467.61mm)	-2.69" (-68.32mm)	98th Wettest	Wettest since: 1930	1927
Aug 1930–Apr 1931 9-Month	17.90" (454.66mm)	22.15" (562.61mm)	-4.25" (-107.95mm)	20th Driest	Driest since: 1923	1956
Aug 1930–Apr 1931 9-Month	17.90" (454.66mm)	22.15" (562.61mm)	-4.25" (-107.95mm)	109th Wettest	Wettest since: 1930	2019
Jul 1930–Apr 1931 10-Month	19.15" (486.41mm)	26.13" (663.70mm)	-6.98" (-177.29mm)	12th Driest	Driest since: 1918	1902
Jul 1930–Apr 1931 10-Month	19.15" (486.41mm)	26.13" (663.70mm)	-6.98" (-177.29mm)	117th Wettest	Wettest since: 1930	1993
Jun 1930–Apr 1931 11-Month	27.38" (695.45mm)	30.68" (779.27mm)	-3.30" (-83.82mm)	38th Driest	Driest since: 1924	1902
Jun 1930–Apr 1931 11-Month	27.38" (695.45mm)	30.68" (779.27mm)	-3.30" (-83.82mm)	91st Wettest	Wettest since: 1930	1903
May 1930–Apr 1931 12-Month	30.30" (769.62mm)	34.74" (882.40mm)	-4.44" (-112.78mm)	33rd Driest	Driest since: 1930	1902
May 1930–Apr 1931 12-Month	30.30" (769.62mm)	34.74" (882.40mm)	-4.44" (-112.78mm)	96th Wettest	Wettest since: 1929	2011
Nov 1929–Apr 1931 18-Month	38.68" (982.47mm)	46.62" (1,184.15mm)	-7.94" (-201.68mm)	17th Driest	Driest since: 1918	1902
Nov 1929–Apr 1931 18-Month	38.68" (982.47mm)	46.62" (1,184.15mm)	-7.94" (-201.68mm)	111th Wettest	Wettest since: 1930	2011
May 1929–Apr 1931 24-Month	60.00" (1,524.00mm)	69.50" (1,765.30mm)	-9.50" (-241.30mm)	18th Driest	Driest since: 1924	1957
May 1929–Apr 1931 24-Month	60.00" (1,524.00mm)	69.50" (1,765.30mm)	-9.50" (-241.30mm)	110th Wettest	Wettest since: 1930	2011
May 1928–Apr 1931 36-Month	107.60" (2,733.04mm)	104.16" (2,645.66mm)	3.44" (87.38mm)	80th Driest	Driest since: 1926	1958
May 1928–Apr 1931 36-Month	107.60" (2,733.04mm)	104.16" (2,645.66mm)	3.44" (87.38mm)	47th Wettest	Wettest since: 1930	2011
May 1927–Apr 1931 48-Month	141.27" (3,588.26mm)	138.69" (3,522.73mm)	2.58" (65.53mm)	68th Driest	Driest since: 1926	1957
May 1927–Apr 1931 48-Month	141.27" (3,588.26mm)	138.69" (3,522.73mm)	2.58" (65.53mm)	58th Wettest	Wettest since: 1930	2011
May 1926–Apr 1931 60-Month	188.14" (4,778.76mm)	173.27" (4,401.06mm)	14.87" (377.70mm)	101st Driest	Driest since: 1928	1958
May 1926–Apr 1931 60-Month	188.14" (4,778.76mm)	173.27" (4,401.06mm)	14.87" (377.70mm)	24th Wettest	Wettest since: 1930	2012

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published May 2023, retrieved on June 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings