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 River Basin

Average Temperature Rankings, December 1997

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1997 1-Month	34.3°F (1.3°C)	32.4°F (0.2°C)	1.9°F (1.1°C)	82nd Coolest	Coolest since: 1995	1989
	34.3°F (1.3°C)	32.4°F (0.2°C)	1.9°F (1.1°C)	47th Warmest	Warmest since: 1996	2015
	Ties: 1896, 1928
Nov–Dec 1997 2-Month	37.0°F (2.8°C)	37.3°F (2.9°C)	-0.3°F (-0.1°C)	46th Coolest	Coolest since: 1996	1976
	37.0°F (2.8°C)	37.3°F (2.9°C)	-0.3°F (-0.1°C)	83rd Warmest	Warmest since: 1994	2015
	Ties: 1905, 1920, 1936, 2002, 2014
Oct–Dec 1997 3-Month	42.7°F (5.9°C)	43.0°F (6.1°C)	-0.3°F (-0.2°C)	48th Coolest	Coolest since: 1996	1917
	42.7°F (5.9°C)	43.0°F (6.1°C)	-0.3°F (-0.2°C)	81st Warmest	Warmest since: 1996	2015
	Ties: 1924, 1996, 2002
Sep–Dec 1997 4-Month	48.1°F (8.9°C)	48.7°F (9.3°C)	-0.6°F (-0.4°C)	42nd Coolest	Coolest since: 1996	1976
	48.1°F (8.9°C)	48.7°F (9.3°C)	-0.6°F (-0.4°C)	87th Warmest	Warmest since: 1996	1931
	Ties: 1895, 1926, 1996, 2010
Aug–Dec 1997 5-Month	52.5°F (11.4°C)	53.4°F (11.9°C)	-0.9°F (-0.5°C)	30th Coolest	Coolest since: 1992	1976
Aug–Dec 1997 5-Month	52.5°F (11.4°C)	53.4°F (11.9°C)	-0.9°F (-0.5°C)	99th Warmest	Warmest since: 1996	1931
Jul–Dec 1997 6-Month	56.0°F (13.3°C)	56.8°F (13.8°C)	-0.8°F (-0.5°C)	28th Coolest	Coolest since: 1996	1976
	56.0°F (13.3°C)	56.8°F (13.8°C)	-0.8°F (-0.5°C)	101st Warmest	Warmest since: 1995	1931
	Ties: 1944, 2014
Jun–Dec 1997 7-Month	57.8°F (14.3°C)	58.7°F (14.8°C)	-0.9°F (-0.5°C)	25th Coolest	Coolest since: 1992	1976
	57.8°F (14.3°C)	58.7°F (14.8°C)	-0.9°F (-0.5°C)	104th Warmest	Warmest since: 1996	1931
	Ties: 1966
May–Dec 1997 8-Month	57.6°F (14.2°C)	59.1°F (15.1°C)	-1.5°F (-0.9°C)	11th Coolest	Coolest since: 1992	1917
	57.6°F (14.2°C)	59.1°F (15.1°C)	-1.5°F (-0.9°C)	118th Warmest	Warmest since: 1996	1931
	Ties: 1929, 1945, 1958, 1974, 1992
Apr–Dec 1997 9-Month	56.5°F (13.6°C)	58.2°F (14.6°C)	-1.7°F (-1.0°C)	6th Coolest	Coolest since: 1989	1917
	56.5°F (13.6°C)	58.2°F (14.6°C)	-1.7°F (-1.0°C)	123rd Warmest	Warmest since: 1996	2015
	Ties: 1924
Mar–Dec 1997 10-Month	55.2°F (12.9°C)	56.5°F (13.6°C)	-1.3°F (-0.7°C)	12th Coolest	Coolest since: 1989	1917
	55.2°F (12.9°C)	56.5°F (13.6°C)	-1.3°F (-0.7°C)	117th Warmest	Warmest since: 1996	2016
	Ties: 1904
Feb–Dec 1997 11-Month	53.6°F (12.0°C)	54.3°F (12.4°C)	-0.7°F (-0.4°C)	35th Coolest	Coolest since: 1996	1917
	53.6°F (12.0°C)	54.3°F (12.4°C)	-0.7°F (-0.4°C)	94th Warmest	Warmest since: 1995	2012
	Ties: 1903, 1993
Jan–Dec 1997 12-Month	51.4°F (10.8°C)	52.1°F (11.2°C)	-0.7°F (-0.4°C)	32nd Coolest	Coolest since: 1996	1917
Jan–Dec 1997 12-Month	51.4°F (10.8°C)	52.1°F (11.2°C)	-0.7°F (-0.4°C)	97th Warmest	Warmest since: 1995	2012
Jul 1996–Dec 1997 18-Month	52.9°F (11.6°C)	53.7°F (12.1°C)	-0.8°F (-0.5°C)	19th Coolest	Coolest since: 1996	1904, 1917
	52.9°F (11.6°C)	53.7°F (12.1°C)	-0.8°F (-0.5°C)	109th Warmest	Warmest since: 1996	2012, 2016
	Ties: 1912, 1966, 1996
Jan 1996–Dec 1997 24-Month	51.3°F (10.7°C)	52.2°F (11.2°C)	-0.9°F (-0.5°C)	16th Coolest	Coolest since: 1981	1979
	51.3°F (10.7°C)	52.2°F (11.2°C)	-0.9°F (-0.5°C)	112th Warmest	Warmest since: 1996	2017
	Ties: 1925
Jan 1995–Dec 1997 36-Month	51.6°F (10.9°C)	52.2°F (11.2°C)	-0.6°F (-0.3°C)	22nd Coolest	Coolest since: 1982	1980
	51.6°F (10.9°C)	52.2°F (11.2°C)	-0.6°F (-0.3°C)	105th Warmest	Warmest since: 1996	2018
	Ties: 1925, 1977
Jan 1994–Dec 1997 48-Month	51.8°F (11.0°C)	52.2°F (11.2°C)	-0.4°F (-0.2°C)	31st Coolest	Coolest since: 1983	1979
	51.8°F (11.0°C)	52.2°F (11.2°C)	-0.4°F (-0.2°C)	95th Warmest	Warmest since: 1996	2019
	Ties: 1977
Jan 1993–Dec 1997 60-Month	51.8°F (11.0°C)	52.2°F (11.2°C)	-0.4°F (-0.2°C)	29th Coolest	Coolest since: 1984	1980
	51.8°F (11.0°C)	52.2°F (11.2°C)	-0.4°F (-0.2°C)	96th Warmest	Warmest since: 1996	2020
	Ties: 1927, 1929, 1960, 1984

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings