Regional Rankings

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Month:

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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.

Upper Colorado 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	22.8°F (-5.1°C)	23.0°F (-5.0°C)	-0.2°F (-0.1°C)	55th Coolest	Coolest since: 1992	1909
	22.8°F (-5.1°C)	23.0°F (-5.0°C)	-0.2°F (-0.1°C)	74th Warmest	Warmest since: 1996	1980
	Ties: 1949
Nov–Dec 1997 2-Month	27.5°F (-2.5°C)	27.5°F (-2.5°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1994	1895
	27.5°F (-2.5°C)	27.5°F (-2.5°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 1996	2017
	Ties: 1988
Oct–Dec 1997 3-Month	33.3°F (0.7°C)	33.5°F (0.8°C)	-0.2°F (-0.1°C)	60th Coolest	Coolest since: 1994	1898
Oct–Dec 1997 3-Month	33.3°F (0.7°C)	33.5°F (0.8°C)	-0.2°F (-0.1°C)	69th Warmest	Warmest since: 1996	1950, 2017
Sep–Dec 1997 4-Month	39.6°F (4.2°C)	39.2°F (4.0°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1996	1898, 1912
	39.6°F (4.2°C)	39.2°F (4.0°C)	0.4°F (0.2°C)	55th Warmest	Warmest since: 1995	2021
	Ties: 1907, 1946, 1973
Aug–Dec 1997 5-Month	44.7°F (7.1°C)	44.3°F (6.8°C)	0.4°F (0.3°C)	71st Coolest	Coolest since: 1993	1912
	44.7°F (7.1°C)	44.3°F (6.8°C)	0.4°F (0.3°C)	58th Warmest	Warmest since: 1996	2021
	Ties: 1946, 1959, 1969, 1991
Jul–Dec 1997 6-Month	48.3°F (9.1°C)	48.1°F (8.9°C)	0.2°F (0.2°C)	59th Coolest	Coolest since: 1993	1912
	48.3°F (9.1°C)	48.1°F (8.9°C)	0.2°F (0.2°C)	70th Warmest	Warmest since: 1996	2021
	Ties: 1967, 1973, 1976, 1987
Jun–Dec 1997 7-Month	50.2°F (10.1°C)	49.9°F (9.9°C)	0.3°F (0.2°C)	69th Coolest	Coolest since: 1993	1912
	50.2°F (10.1°C)	49.9°F (9.9°C)	0.3°F (0.2°C)	60th Warmest	Warmest since: 1996	2021
	Ties: 1974, 1983, 1991
May–Dec 1997 8-Month	50.6°F (10.3°C)	50.0°F (10.0°C)	0.6°F (0.3°C)	79th Coolest	Coolest since: 1993	1912
	50.6°F (10.3°C)	50.0°F (10.0°C)	0.6°F (0.3°C)	50th Warmest	Warmest since: 1996	2021
	Ties: 1922, 1955, 1974, 1990
Apr–Dec 1997 9-Month	49.2°F (9.6°C)	49.1°F (9.5°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1993	1912
	49.2°F (9.6°C)	49.1°F (9.5°C)	0.1°F (0.1°C)	71st Warmest	Warmest since: 1996	2021
	Ties: 1925, 1956, 1979, 1991, 2009
Mar–Dec 1997 10-Month	48.0°F (8.9°C)	47.5°F (8.6°C)	0.5°F (0.3°C)	73rd Coolest	Coolest since: 1993	1912
	48.0°F (8.9°C)	47.5°F (8.6°C)	0.5°F (0.3°C)	56th Warmest	Warmest since: 1996	2012
	Ties: 1901
Feb–Dec 1997 11-Month	45.9°F (7.7°C)	45.5°F (7.5°C)	0.4°F (0.2°C)	77th Coolest	Coolest since: 1993	1912
	45.9°F (7.7°C)	45.5°F (7.5°C)	0.4°F (0.2°C)	52nd Warmest	Warmest since: 1996	2017
	Ties: 1900, 1937, 1947, 1950, 1960, 1972, 1991
Jan–Dec 1997 12-Month	44.0°F (6.7°C)	43.4°F (6.3°C)	0.6°F (0.4°C)	80th Coolest	Coolest since: 1993	1895, 1912
	44.0°F (6.7°C)	43.4°F (6.3°C)	0.6°F (0.4°C)	49th Warmest	Warmest since: 1996	2012
	Ties: 1901, 1907, 1926, 1972, 2019
Jul 1996–Dec 1997 18-Month	45.7°F (7.6°C)	45.0°F (7.2°C)	0.7°F (0.4°C)	80th Coolest	Coolest since: 1993	1912
Jul 1996–Dec 1997 18-Month	45.7°F (7.6°C)	45.0°F (7.2°C)	0.7°F (0.4°C)	48th Warmest	Warmest since: 1996	1934
Jan 1996–Dec 1997 24-Month	44.6°F (7.0°C)	43.4°F (6.3°C)	1.2°F (0.7°C)	97th Coolest	Coolest since: 1994	1913
	44.6°F (7.0°C)	43.4°F (6.3°C)	1.2°F (0.7°C)	31st Warmest	Warmest since: 1996	2018
	Ties: 1940, 1978, 1982, 1989, 2010
Jan 1995–Dec 1997 36-Month	44.8°F (7.1°C)	43.4°F (6.3°C)	1.4°F (0.8°C)	104th Coolest	Coolest since: 1995	1899, 1913
	44.8°F (7.1°C)	43.4°F (6.3°C)	1.4°F (0.8°C)	23rd Warmest	Warmest since: 1996	2017
	Ties: 1999, 2009
Jan 1994–Dec 1997 48-Month	45.0°F (7.2°C)	43.4°F (6.3°C)	1.6°F (0.9°C)	106th Coolest	Coolest since: 1996	1898
Jan 1994–Dec 1997 48-Month	45.0°F (7.2°C)	43.4°F (6.3°C)	1.6°F (0.9°C)	20th Warmest	Warmest to Date	2018
Jan 1993–Dec 1997 60-Month	44.6°F (7.0°C)	43.4°F (6.3°C)	1.2°F (0.7°C)	98th Coolest	Coolest since: 1995	1899
Jan 1993–Dec 1997 60-Month	44.6°F (7.0°C)	43.4°F (6.3°C)	1.2°F (0.7°C)	27th Warmest	Warmest since: 1996	2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings