Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. 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 1973

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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 1973 1-Month	3.97" (100.84mm)	3.11" (78.99mm)	0.86" (21.85mm)	96th Driest	Driest since: 1970	1958
	3.97" (100.84mm)	3.11" (78.99mm)	0.86" (21.85mm)	33rd Wettest	Wettest since: 1972	1990
	Ties: 1914
Nov–Dec 1973 2-Month	9.19" (233.43mm)	6.23" (158.24mm)	2.96" (75.19mm)	120th Driest	Driest since: 1971	1976
Nov–Dec 1973 2-Month	9.19" (233.43mm)	6.23" (158.24mm)	2.96" (75.19mm)	9th Wettest	Wettest since: 1972	2015
Oct–Dec 1973 3-Month	12.88" (327.15mm)	9.13" (231.90mm)	3.75" (95.25mm)	120th Driest	Driest since: 1971	1963
	12.88" (327.15mm)	9.13" (231.90mm)	3.75" (95.25mm)	9th Wettest	Wettest since: 1972	1990
	Ties: 1982
Sep–Dec 1973 4-Month	16.54" (420.12mm)	12.60" (320.04mm)	3.94" (100.08mm)	115th Driest	Driest since: 1971	1963
Sep–Dec 1973 4-Month	16.54" (420.12mm)	12.60" (320.04mm)	3.94" (100.08mm)	14th Wettest	Wettest since: 1972	1926
Aug–Dec 1973 5-Month	19.11" (485.39mm)	16.27" (413.26mm)	2.84" (72.13mm)	104th Driest	Driest since: 1971	1953
Aug–Dec 1973 5-Month	19.11" (485.39mm)	16.27" (413.26mm)	2.84" (72.13mm)	25th Wettest	Wettest since: 1972	1926
Jul–Dec 1973 6-Month	23.97" (608.84mm)	20.27" (514.86mm)	3.70" (93.98mm)	108th Driest	Driest since: 1971	1953
Jul–Dec 1973 6-Month	23.97" (608.84mm)	20.27" (514.86mm)	3.70" (93.98mm)	21st Wettest	Wettest since: 1972	1926
Jun–Dec 1973 7-Month	29.01" (736.85mm)	24.52" (622.81mm)	4.49" (114.04mm)	111th Driest	Driest since: 1971	1953
Jun–Dec 1973 7-Month	29.01" (736.85mm)	24.52" (622.81mm)	4.49" (114.04mm)	18th Wettest	Wettest since: 1972	2015
May–Dec 1973 8-Month	34.54" (877.32mm)	28.79" (731.27mm)	5.75" (146.05mm)	116th Driest	Driest since: 1972	1953
May–Dec 1973 8-Month	34.54" (877.32mm)	28.79" (731.27mm)	5.75" (146.05mm)	13th Wettest	Wettest since: 1926	2015
Apr–Dec 1973 9-Month	40.34" (1,024.64mm)	32.70" (830.58mm)	7.64" (194.06mm)	123rd Driest	Driest since: 1972	1930
Apr–Dec 1973 9-Month	40.34" (1,024.64mm)	32.70" (830.58mm)	7.64" (194.06mm)	6th Wettest	Wettest to Date	2015
Mar–Dec 1973 10-Month	47.14" (1,197.36mm)	36.51" (927.35mm)	10.63" (270.01mm)	126th Driest	Driest since: 1972	1930
Mar–Dec 1973 10-Month	47.14" (1,197.36mm)	36.51" (927.35mm)	10.63" (270.01mm)	3rd Wettest	Wettest to Date	2011
Feb–Dec 1973 11-Month	49.12" (1,247.65mm)	39.19" (995.43mm)	9.93" (252.22mm)	123rd Driest	Driest since: 1972	1930
Feb–Dec 1973 11-Month	49.12" (1,247.65mm)	39.19" (995.43mm)	9.93" (252.22mm)	6th Wettest	Wettest to Date	2011
Jan–Dec 1973 12-Month	51.72" (1,313.69mm)	42.23" (1,072.64mm)	9.49" (241.05mm)	123rd Driest	Driest since: 1972	1930
Jan–Dec 1973 12-Month	51.72" (1,313.69mm)	42.23" (1,072.64mm)	9.49" (241.05mm)	6th Wettest	Wettest to Date	2019
Jul 1972–Dec 1973 18-Month	77.97" (1,980.44mm)	62.51" (1,587.75mm)	15.46" (392.69mm)	125th Driest	Driest since: 1972	1953
Jul 1972–Dec 1973 18-Month	77.97" (1,980.44mm)	62.51" (1,587.75mm)	15.46" (392.69mm)	3rd Wettest	Wettest since: 1927	2019
Jan 1972–Dec 1973 24-Month	99.00" (2,514.60mm)	84.45" (2,145.03mm)	14.55" (369.57mm)	124th Driest	Driest since: 1972	1953
Jan 1972–Dec 1973 24-Month	99.00" (2,514.60mm)	84.45" (2,145.03mm)	14.55" (369.57mm)	4th Wettest	Wettest to Date	2019
Jan 1971–Dec 1973 36-Month	137.31" (3,487.67mm)	126.69" (3,217.93mm)	10.62" (269.74mm)	104th Driest	Driest since: 1972	1954
Jan 1971–Dec 1973 36-Month	137.31" (3,487.67mm)	126.69" (3,217.93mm)	10.62" (269.74mm)	23rd Wettest	Wettest since: 1951	2020
Jan 1970–Dec 1973 48-Month	180.53" (4,585.46mm)	168.95" (4,291.33mm)	11.58" (294.13mm)	100th Driest	Driest since: 1972	1955
Jan 1970–Dec 1973 48-Month	180.53" (4,585.46mm)	168.95" (4,291.33mm)	11.58" (294.13mm)	26th Wettest	Wettest since: 1952	2021
Jan 1969–Dec 1973 60-Month	222.82" (5,659.63mm)	211.20" (5,364.48mm)	11.62" (295.15mm)	93rd Driest	Driest since: 1972	1956
Jan 1969–Dec 1973 60-Month	222.82" (5,659.63mm)	211.20" (5,364.48mm)	11.62" (295.15mm)	32nd Wettest	Wettest since: 1952	2021

Citing This Page

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