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 1938

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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 1938 1-Month	0.78" (19.81mm)	1.51" (38.35mm)	-0.73" (-18.54mm)	27th Driest	Driest since: 1929	1976
December 1938 1-Month	0.78" (19.81mm)	1.51" (38.35mm)	-0.73" (-18.54mm)	102nd Wettest	Wettest since: 1937	2015
Nov–Dec 1938 2-Month	4.75" (120.65mm)	3.62" (91.95mm)	1.13" (28.70mm)	100th Driest	Driest since: 1937	1976
Nov–Dec 1938 2-Month	4.75" (120.65mm)	3.62" (91.95mm)	1.13" (28.70mm)	29th Wettest	Wettest since: 1935	2015
Oct–Dec 1938 3-Month	6.43" (163.32mm)	6.23" (158.24mm)	0.20" (5.08mm)	72nd Driest	Driest since: 1937	1910
Oct–Dec 1938 3-Month	6.43" (163.32mm)	6.23" (158.24mm)	0.20" (5.08mm)	57th Wettest	Wettest since: 1934	1941
Sep–Dec 1938 4-Month	8.29" (210.57mm)	10.15" (257.81mm)	-1.86" (-47.24mm)	44th Driest	Driest since: 1937	1950
Sep–Dec 1938 4-Month	8.29" (210.57mm)	10.15" (257.81mm)	-1.86" (-47.24mm)	85th Wettest	Wettest since: 1936	1961
Aug–Dec 1938 5-Month	12.53" (318.26mm)	13.87" (352.30mm)	-1.34" (-34.04mm)	51st Driest	Driest since: 1937	1953
Aug–Dec 1938 5-Month	12.53" (318.26mm)	13.87" (352.30mm)	-1.34" (-34.04mm)	78th Wettest	Wettest since: 1936	1970
Jul–Dec 1938 6-Month	15.73" (399.54mm)	17.85" (453.39mm)	-2.12" (-53.85mm)	44th Driest	Driest since: 1937	1953
Jul–Dec 1938 6-Month	15.73" (399.54mm)	17.85" (453.39mm)	-2.12" (-53.85mm)	85th Wettest	Wettest since: 1936	1902
Jun–Dec 1938 7-Month	21.31" (541.27mm)	22.46" (570.48mm)	-1.15" (-29.21mm)	57th Driest	Driest since: 1937	1953
Jun–Dec 1938 7-Month	21.31" (541.27mm)	22.46" (570.48mm)	-1.15" (-29.21mm)	72nd Wettest	Wettest since: 1935	1902
May–Dec 1938 8-Month	26.20" (665.48mm)	26.50" (673.10mm)	-0.30" (-7.62mm)	60th Driest	Driest since: 1937	1953
May–Dec 1938 8-Month	26.20" (665.48mm)	26.50" (673.10mm)	-0.30" (-7.62mm)	69th Wettest	Wettest since: 1935	2010
Apr–Dec 1938 9-Month	29.95" (760.73mm)	29.84" (757.94mm)	0.11" (2.79mm)	64th Driest	Driest since: 1937	1953
Apr–Dec 1938 9-Month	29.95" (760.73mm)	29.84" (757.94mm)	0.11" (2.79mm)	65th Wettest	Wettest since: 1935	2010
Mar–Dec 1938 10-Month	33.71" (856.23mm)	32.19" (817.63mm)	1.52" (38.60mm)	75th Driest	Driest since: 1937	1901
Mar–Dec 1938 10-Month	33.71" (856.23mm)	32.19" (817.63mm)	1.52" (38.60mm)	54th Wettest	Wettest since: 1935	2010
Feb–Dec 1938 11-Month	34.89" (886.21mm)	33.42" (848.87mm)	1.47" (37.34mm)	75th Driest	Driest since: 1937	1901
Feb–Dec 1938 11-Month	34.89" (886.21mm)	33.42" (848.87mm)	1.47" (37.34mm)	54th Wettest	Wettest since: 1935	2010
Jan–Dec 1938 12-Month	37.29" (947.17mm)	34.75" (882.65mm)	2.54" (64.52mm)	81st Driest	Driest since: 1937	1901
Jan–Dec 1938 12-Month	37.29" (947.17mm)	34.75" (882.65mm)	2.54" (64.52mm)	48th Wettest	Wettest since: 1935	2010
Jul 1937–Dec 1938 18-Month	48.68" (1,236.47mm)	52.63" (1,336.80mm)	-3.95" (-100.33mm)	43rd Driest	Driest since: 1937	1956
Jul 1937–Dec 1938 18-Month	48.68" (1,236.47mm)	52.63" (1,336.80mm)	-3.95" (-100.33mm)	85th Wettest	Wettest since: 1935	2010
Jan 1937–Dec 1938 24-Month	65.30" (1,658.62mm)	69.50" (1,765.30mm)	-4.20" (-106.68mm)	37th Driest	Driest since: 1937	1989
Jan 1937–Dec 1938 24-Month	65.30" (1,658.62mm)	69.50" (1,765.30mm)	-4.20" (-106.68mm)	91st Wettest	Wettest since: 1936	2010
Jan 1936–Dec 1938 36-Month	91.33" (2,319.78mm)	104.23" (2,647.44mm)	-12.90" (-327.66mm)	12th Driest	Driest since: 1914	1989
Jan 1936–Dec 1938 36-Month	91.33" (2,319.78mm)	104.23" (2,647.44mm)	-12.90" (-327.66mm)	115th Wettest	Wettest since: 1937	2010
Jan 1935–Dec 1938 48-Month	131.41" (3,337.81mm)	138.86" (3,527.04mm)	-7.45" (-189.23mm)	31st Driest	Driest since: 1937	1956
Jan 1935–Dec 1938 48-Month	131.41" (3,337.81mm)	138.86" (3,527.04mm)	-7.45" (-189.23mm)	95th Wettest	Wettest since: 1935	2010
Jan 1934–Dec 1938 60-Month	159.75" (4,057.65mm)	173.41" (4,404.61mm)	-13.66" (-346.96mm)	17th Driest	Driest since: 1937	1956
Jan 1934–Dec 1938 60-Month	159.75" (4,057.65mm)	173.41" (4,404.61mm)	-13.66" (-346.96mm)	108th Wettest	Wettest since: 1936	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published May 2023, retrieved on June 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings