Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Ohio Valley Climate Region

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	1.51" (38.35mm)	3.11" (78.99mm)	-1.60" (-40.64mm)	8th Driest	Driest since: 1976	1958
December 1989 1-Month	1.51" (38.35mm)	3.11" (78.99mm)	-1.60" (-40.64mm)	121st Wettest	Wettest since: 1988	1990
Nov–Dec 1989 2-Month	3.86" (98.04mm)	6.23" (158.24mm)	-2.37" (-60.20mm)	10th Driest	Driest since: 1980	1976
	3.86" (98.04mm)	6.23" (158.24mm)	-2.37" (-60.20mm)	119th Wettest	Wettest since: 1988	2015
	Ties: 1904
Oct–Dec 1989 3-Month	6.47" (164.34mm)	9.13" (231.90mm)	-2.66" (-67.56mm)	15th Driest	Driest since: 1980	1963
Oct–Dec 1989 3-Month	6.47" (164.34mm)	9.13" (231.90mm)	-2.66" (-67.56mm)	114th Wettest	Wettest since: 1988	1990
Sep–Dec 1989 4-Month	10.98" (278.89mm)	12.60" (320.04mm)	-1.62" (-41.15mm)	37th Driest	Driest since: 1980	1963
Sep–Dec 1989 4-Month	10.98" (278.89mm)	12.60" (320.04mm)	-1.62" (-41.15mm)	92nd Wettest	Wettest since: 1988	1926
Aug–Dec 1989 5-Month	15.14" (384.56mm)	16.27" (413.26mm)	-1.13" (-28.70mm)	47th Driest	Driest since: 1981	1953
Aug–Dec 1989 5-Month	15.14" (384.56mm)	16.27" (413.26mm)	-1.13" (-28.70mm)	82nd Wettest	Wettest since: 1988	1926
Jul–Dec 1989 6-Month	19.65" (499.11mm)	20.27" (514.86mm)	-0.62" (-15.75mm)	43rd Driest	Driest since: 1980	1953
	19.65" (499.11mm)	20.27" (514.86mm)	-0.62" (-15.75mm)	86th Wettest	Wettest since: 1988	1926
	Ties: 1909, 1914, 1965
Jun–Dec 1989 7-Month	24.92" (632.97mm)	24.52" (622.81mm)	0.40" (10.16mm)	61st Driest	Driest since: 1988	1953
Jun–Dec 1989 7-Month	24.92" (632.97mm)	24.52" (622.81mm)	0.40" (10.16mm)	68th Wettest	Wettest since: 1986	2015
May–Dec 1989 8-Month	29.63" (752.60mm)	28.79" (731.27mm)	0.84" (21.33mm)	62nd Driest	Driest since: 1988	1953
May–Dec 1989 8-Month	29.63" (752.60mm)	28.79" (731.27mm)	0.84" (21.33mm)	67th Wettest	Wettest since: 1986	2015
Apr–Dec 1989 9-Month	32.84" (834.14mm)	32.70" (830.58mm)	0.14" (3.56mm)	58th Driest	Driest since: 1988	1930
	32.84" (834.14mm)	32.70" (830.58mm)	0.14" (3.56mm)	71st Wettest	Wettest since: 1986	2015
	Ties: 1906
Mar–Dec 1989 10-Month	37.15" (943.61mm)	36.51" (927.35mm)	0.64" (16.26mm)	63rd Driest	Driest since: 1988	1930
Mar–Dec 1989 10-Month	37.15" (943.61mm)	36.51" (927.35mm)	0.64" (16.26mm)	66th Wettest	Wettest since: 1985	2011
Feb–Dec 1989 11-Month	41.63" (1,057.40mm)	39.19" (995.43mm)	2.44" (61.97mm)	82nd Driest	Driest since: 1988	1930
	41.63" (1,057.40mm)	39.19" (995.43mm)	2.44" (61.97mm)	47th Wettest	Wettest since: 1985	2011
	Ties: 1967
Jan–Dec 1989 12-Month	44.72" (1,135.89mm)	42.23" (1,072.64mm)	2.49" (63.25mm)	86th Driest	Driest since: 1988	1930
Jan–Dec 1989 12-Month	44.72" (1,135.89mm)	42.23" (1,072.64mm)	2.49" (63.25mm)	43rd Wettest	Wettest since: 1985	2019
Jul 1988–Dec 1989 18-Month	66.79" (1,696.47mm)	62.51" (1,587.75mm)	4.28" (108.72mm)	85th Driest	Driest since: 1988	1953
Jul 1988–Dec 1989 18-Month	66.79" (1,696.47mm)	62.51" (1,587.75mm)	4.28" (108.72mm)	43rd Wettest	Wettest since: 1985	2019
Jan 1988–Dec 1989 24-Month	80.72" (2,050.29mm)	84.45" (2,145.03mm)	-3.73" (-94.74mm)	29th Driest	Driest since: 1988	1953
Jan 1988–Dec 1989 24-Month	80.72" (2,050.29mm)	84.45" (2,145.03mm)	-3.73" (-94.74mm)	99th Wettest	Wettest since: 1986	2019
Jan 1987–Dec 1989 36-Month	118.20" (3,002.28mm)	126.69" (3,217.93mm)	-8.49" (-215.65mm)	15th Driest	Driest since: 1988	1954
Jan 1987–Dec 1989 36-Month	118.20" (3,002.28mm)	126.69" (3,217.93mm)	-8.49" (-215.65mm)	112th Wettest	Wettest since: 1987	2020
Jan 1986–Dec 1989 48-Month	159.37" (4,048.00mm)	168.95" (4,291.33mm)	-9.58" (-243.33mm)	17th Driest	Driest since: 1966	1955
Jan 1986–Dec 1989 48-Month	159.37" (4,048.00mm)	168.95" (4,291.33mm)	-9.58" (-243.33mm)	109th Wettest	Wettest since: 1988	2021
Jan 1985–Dec 1989 60-Month	205.10" (5,209.54mm)	211.20" (5,364.48mm)	-6.10" (-154.94mm)	27th Driest	Driest since: 1968	1956
Jan 1985–Dec 1989 60-Month	205.10" (5,209.54mm)	211.20" (5,364.48mm)	-6.10" (-154.94mm)	98th Wettest	Wettest since: 1988	2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on April 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings