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 1956

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
December 1956 1-Month	0.92" (23.37mm)	1.51" (38.35mm)	-0.59" (-14.98mm)	38th Driest	Driest since: 1955	1976
December 1956 1-Month	0.92" (23.37mm)	1.51" (38.35mm)	-0.59" (-14.98mm)	91st Wettest	Wettest since: 1954	2015
Nov–Dec 1956 2-Month	2.06" (52.32mm)	3.62" (91.95mm)	-1.56" (-39.63mm)	25th Driest	Driest since: 1955	1976
	2.06" (52.32mm)	3.62" (91.95mm)	-1.56" (-39.63mm)	104th Wettest	Wettest since: 1953	2015
	Ties: 1937
Oct–Dec 1956 3-Month	2.90" (73.66mm)	6.23" (158.24mm)	-3.33" (-84.58mm)	10th Driest	Driest since: 1955	1910
Oct–Dec 1956 3-Month	2.90" (73.66mm)	6.23" (158.24mm)	-3.33" (-84.58mm)	119th Wettest	Wettest since: 1954	1941
Sep–Dec 1956 4-Month	3.60" (91.44mm)	10.15" (257.81mm)	-6.55" (-166.37mm)	2nd Driest	Driest since: 1950	1950
Sep–Dec 1956 4-Month	3.60" (91.44mm)	10.15" (257.81mm)	-6.55" (-166.37mm)	127th Wettest	Wettest since: 1955	1961
Aug–Dec 1956 5-Month	9.05" (229.87mm)	13.87" (352.30mm)	-4.82" (-122.43mm)	13th Driest	Driest since: 1955	1953
Aug–Dec 1956 5-Month	9.05" (229.87mm)	13.87" (352.30mm)	-4.82" (-122.43mm)	116th Wettest	Wettest since: 1954	1970
Jul–Dec 1956 6-Month	13.33" (338.58mm)	17.85" (453.39mm)	-4.52" (-114.81mm)	24th Driest	Driest since: 1955	1953
Jul–Dec 1956 6-Month	13.33" (338.58mm)	17.85" (453.39mm)	-4.52" (-114.81mm)	105th Wettest	Wettest since: 1954	1902
Jun–Dec 1956 7-Month	15.73" (399.54mm)	22.46" (570.48mm)	-6.73" (-170.94mm)	15th Driest	Driest since: 1955	1953
Jun–Dec 1956 7-Month	15.73" (399.54mm)	22.46" (570.48mm)	-6.73" (-170.94mm)	114th Wettest	Wettest since: 1954	1902
May–Dec 1956 8-Month	17.27" (438.66mm)	26.50" (673.10mm)	-9.23" (-234.44mm)	6th Driest	Driest since: 1953	1953
May–Dec 1956 8-Month	17.27" (438.66mm)	26.50" (673.10mm)	-9.23" (-234.44mm)	123rd Wettest	Wettest since: 1955	2010
Apr–Dec 1956 9-Month	18.77" (476.76mm)	29.84" (757.94mm)	-11.07" (-281.18mm)	4th Driest	Driest since: 1953	1953
Apr–Dec 1956 9-Month	18.77" (476.76mm)	29.84" (757.94mm)	-11.07" (-281.18mm)	125th Wettest	Wettest since: 1955	2010
Mar–Dec 1956 10-Month	19.30" (490.22mm)	32.19" (817.63mm)	-12.89" (-327.41mm)	4th Driest	Driest since: 1953	1901
Mar–Dec 1956 10-Month	19.30" (490.22mm)	32.19" (817.63mm)	-12.89" (-327.41mm)	125th Wettest	Wettest since: 1955	2010
Feb–Dec 1956 11-Month	20.40" (518.16mm)	33.42" (848.87mm)	-13.02" (-330.71mm)	3rd Driest	Driest since: 1901	1901
Feb–Dec 1956 11-Month	20.40" (518.16mm)	33.42" (848.87mm)	-13.02" (-330.71mm)	126th Wettest	Wettest since: 1955	2010
Jan–Dec 1956 12-Month	20.70" (525.78mm)	34.75" (882.65mm)	-14.05" (-356.87mm)	3rd Driest	Driest since: 1901	1901
Jan–Dec 1956 12-Month	20.70" (525.78mm)	34.75" (882.65mm)	-14.05" (-356.87mm)	126th Wettest	Wettest since: 1955	2010
Jul 1955–Dec 1956 18-Month	31.90" (810.26mm)	52.63" (1,336.80mm)	-20.73" (-526.54mm)	1st Driest	Driest since: 1956	1956
Jul 1955–Dec 1956 18-Month	31.90" (810.26mm)	52.63" (1,336.80mm)	-20.73" (-526.54mm)	127th Wettest	Wettest since: 1955	2010
Jan 1955–Dec 1956 24-Month	48.77" (1,238.76mm)	69.50" (1,765.30mm)	-20.73" (-526.54mm)	2nd Driest	Driest since: 1956	1989
Jan 1955–Dec 1956 24-Month	48.77" (1,238.76mm)	69.50" (1,765.30mm)	-20.73" (-526.54mm)	126th Wettest	Wettest since: 1955	2010
Jan 1954–Dec 1956 36-Month	83.05" (2,109.47mm)	104.23" (2,647.44mm)	-21.18" (-537.97mm)	3rd Driest	Driest since: 1901	1989
Jan 1954–Dec 1956 36-Month	83.05" (2,109.47mm)	104.23" (2,647.44mm)	-21.18" (-537.97mm)	124th Wettest	Wettest since: 1955	2010
Jan 1953–Dec 1956 48-Month	105.48" (2,679.19mm)	138.86" (3,527.04mm)	-33.38" (-847.85mm)	1st Driest	Driest since: 1956	1956
Jan 1953–Dec 1956 48-Month	105.48" (2,679.19mm)	138.86" (3,527.04mm)	-33.38" (-847.85mm)	125th Wettest	Wettest since: 1955	2010
Jan 1952–Dec 1956 60-Month	138.24" (3,511.30mm)	173.41" (4,404.61mm)	-35.17" (-893.31mm)	1st Driest	Driest since: 1956	1956
Jan 1952–Dec 1956 60-Month	138.24" (3,511.30mm)	173.41" (4,404.61mm)	-35.17" (-893.31mm)	124th Wettest	Wettest since: 1955	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings