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 1989

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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 1989 1-Month	0.61" (15.49mm)	1.51" (38.35mm)	-0.90" (-22.86mm)	17th Driest	Driest since: 1976	1976
	0.61" (15.49mm)	1.51" (38.35mm)	-0.90" (-22.86mm)	112th Wettest	Wettest since: 1988	2015
	Ties: 2002
Nov–Dec 1989 2-Month	0.72" (18.29mm)	3.62" (91.95mm)	-2.90" (-73.66mm)	3rd Driest	Driest since: 1976	1976
Nov–Dec 1989 2-Month	0.72" (18.29mm)	3.62" (91.95mm)	-2.90" (-73.66mm)	126th Wettest	Wettest since: 1988	2015
Oct–Dec 1989 3-Month	2.60" (66.04mm)	6.23" (158.24mm)	-3.63" (-92.20mm)	4th Driest	Driest since: 1950	1910
Oct–Dec 1989 3-Month	2.60" (66.04mm)	6.23" (158.24mm)	-3.63" (-92.20mm)	125th Wettest	Wettest since: 1988	1941
Sep–Dec 1989 4-Month	7.69" (195.33mm)	10.15" (257.81mm)	-2.46" (-62.48mm)	37th Driest	Driest since: 1988	1950
Sep–Dec 1989 4-Month	7.69" (195.33mm)	10.15" (257.81mm)	-2.46" (-62.48mm)	92nd Wettest	Wettest since: 1987	1961
Aug–Dec 1989 5-Month	12.43" (315.72mm)	13.87" (352.30mm)	-1.44" (-36.58mm)	50th Driest	Driest since: 1988	1953
Aug–Dec 1989 5-Month	12.43" (315.72mm)	13.87" (352.30mm)	-1.44" (-36.58mm)	79th Wettest	Wettest since: 1987	1970
Jul–Dec 1989 6-Month	15.68" (398.27mm)	17.85" (453.39mm)	-2.17" (-55.12mm)	43rd Driest	Driest since: 1988	1953
Jul–Dec 1989 6-Month	15.68" (398.27mm)	17.85" (453.39mm)	-2.17" (-55.12mm)	86th Wettest	Wettest since: 1987	1902
Jun–Dec 1989 7-Month	19.48" (494.79mm)	22.46" (570.48mm)	-2.98" (-75.69mm)	38th Driest	Driest since: 1988	1953
Jun–Dec 1989 7-Month	19.48" (494.79mm)	22.46" (570.48mm)	-2.98" (-75.69mm)	91st Wettest	Wettest since: 1987	1902
May–Dec 1989 8-Month	22.89" (581.41mm)	26.50" (673.10mm)	-3.61" (-91.69mm)	37th Driest	Driest since: 1988	1953
May–Dec 1989 8-Month	22.89" (581.41mm)	26.50" (673.10mm)	-3.61" (-91.69mm)	92nd Wettest	Wettest since: 1987	2010
Apr–Dec 1989 9-Month	25.51" (647.95mm)	29.84" (757.94mm)	-4.33" (-109.99mm)	37th Driest	Driest since: 1988	1953
Apr–Dec 1989 9-Month	25.51" (647.95mm)	29.84" (757.94mm)	-4.33" (-109.99mm)	92nd Wettest	Wettest since: 1987	2010
Mar–Dec 1989 10-Month	26.34" (669.04mm)	32.19" (817.63mm)	-5.85" (-148.59mm)	20th Driest	Driest since: 1988	1901
Mar–Dec 1989 10-Month	26.34" (669.04mm)	32.19" (817.63mm)	-5.85" (-148.59mm)	109th Wettest	Wettest since: 1987	2010
Feb–Dec 1989 11-Month	27.21" (691.13mm)	33.42" (848.87mm)	-6.21" (-157.74mm)	17th Driest	Driest since: 1988	1901
Feb–Dec 1989 11-Month	27.21" (691.13mm)	33.42" (848.87mm)	-6.21" (-157.74mm)	112th Wettest	Wettest since: 1987	2010
Jan–Dec 1989 12-Month	28.16" (715.26mm)	34.75" (882.65mm)	-6.59" (-167.39mm)	17th Driest	Driest since: 1988	1901
Jan–Dec 1989 12-Month	28.16" (715.26mm)	34.75" (882.65mm)	-6.59" (-167.39mm)	112th Wettest	Wettest since: 1987	2010
Jul 1988–Dec 1989 18-Month	41.12" (1,044.45mm)	52.63" (1,336.80mm)	-11.51" (-292.35mm)	9th Driest	Driest since: 1988	1956
Jul 1988–Dec 1989 18-Month	41.12" (1,044.45mm)	52.63" (1,336.80mm)	-11.51" (-292.35mm)	119th Wettest	Wettest since: 1987	2010
Jan 1988–Dec 1989 24-Month	48.55" (1,233.17mm)	69.50" (1,765.30mm)	-20.95" (-532.13mm)	1st Driest	Driest since: 1989	1989
Jan 1988–Dec 1989 24-Month	48.55" (1,233.17mm)	69.50" (1,765.30mm)	-20.95" (-532.13mm)	127th Wettest	Wettest since: 1988	2010
Jan 1987–Dec 1989 36-Month	78.69" (1,998.73mm)	104.23" (2,647.44mm)	-25.54" (-648.71mm)	1st Driest	Driest since: 1989	1989
Jan 1987–Dec 1989 36-Month	78.69" (1,998.73mm)	104.23" (2,647.44mm)	-25.54" (-648.71mm)	126th Wettest	Wettest since: 1988	2010
Jan 1986–Dec 1989 48-Month	121.41" (3,083.81mm)	138.86" (3,527.04mm)	-17.45" (-443.23mm)	8th Driest	Driest since: 1958	1956
Jan 1986–Dec 1989 48-Month	121.41" (3,083.81mm)	138.86" (3,527.04mm)	-17.45" (-443.23mm)	118th Wettest	Wettest since: 1988	2010
Jan 1985–Dec 1989 60-Month	157.92" (4,011.17mm)	173.41" (4,404.61mm)	-15.49" (-393.44mm)	11th Driest	Driest since: 1958	1956
Jan 1985–Dec 1989 60-Month	157.92" (4,011.17mm)	173.41" (4,404.61mm)	-15.49" (-393.44mm)	114th Wettest	Wettest since: 1988	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings