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.

Pacific Northwest Basin

Average Temperature Rankings, December 1977

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1977 1-Month	30.8°F (-0.7°C)	28.1°F (-2.2°C)	2.7°F (1.5°C)	102nd Coolest	Coolest since: 1976	1990
	30.8°F (-0.7°C)	28.1°F (-2.2°C)	2.7°F (1.5°C)	27th Warmest	Warmest since: 1975	1917
	Ties: 1941, 1981, 2020
Nov–Dec 1977 2-Month	32.2°F (0.1°C)	31.3°F (-0.4°C)	0.9°F (0.5°C)	80th Coolest	Coolest since: 1975	1985
	32.2°F (0.1°C)	31.3°F (-0.4°C)	0.9°F (0.5°C)	49th Warmest	Warmest since: 1976	1917
	Ties: 1957, 1975
Oct–Dec 1977 3-Month	36.7°F (2.6°C)	36.2°F (2.3°C)	0.5°F (0.3°C)	74th Coolest	Coolest since: 1975	1985
	36.7°F (2.6°C)	36.2°F (2.3°C)	0.5°F (0.3°C)	55th Warmest	Warmest since: 1976	1917
	Ties: 1940
Sep–Dec 1977 4-Month	41.1°F (5.1°C)	41.1°F (5.1°C)	0.0°F (0.0°C)	59th Coolest	Coolest since: 1972	1985
	41.1°F (5.1°C)	41.1°F (5.1°C)	0.0°F (0.0°C)	70th Warmest	Warmest since: 1976	1917
	Ties: 1936
Aug–Dec 1977 5-Month	45.9°F (7.7°C)	45.4°F (7.4°C)	0.5°F (0.3°C)	74th Coolest	Coolest since: 1976	1985
	45.9°F (7.7°C)	45.4°F (7.4°C)	0.5°F (0.3°C)	55th Warmest	Warmest since: 1976	1917, 2014
	Ties: 1907, 1923, 1965, 1976, 2019
Jul–Dec 1977 6-Month	48.8°F (9.3°C)	48.6°F (9.2°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1975	1985
	48.8°F (9.3°C)	48.6°F (9.2°C)	0.2°F (0.1°C)	71st Warmest	Warmest since: 1976	2014
	Ties: 1907, 1975, 2009
Jun–Dec 1977 7-Month	50.5°F (10.3°C)	49.8°F (9.9°C)	0.7°F (0.4°C)	89th Coolest	Coolest since: 1976	1916
	50.5°F (10.3°C)	49.8°F (9.9°C)	0.7°F (0.4°C)	40th Warmest	Warmest since: 1974	2021
	Ties: 1906, 1918, 1962, 1981, 1997, 2008
May–Dec 1977 8-Month	50.0°F (10.0°C)	49.8°F (9.9°C)	0.2°F (0.1°C)	60th Coolest	Coolest since: 1976	1916
	50.0°F (10.0°C)	49.8°F (9.9°C)	0.2°F (0.1°C)	69th Warmest	Warmest since: 1974	2021
	Ties: 1910, 1929, 1942, 1960, 1980
Apr–Dec 1977 9-Month	49.5°F (9.7°C)	49.0°F (9.4°C)	0.5°F (0.3°C)	80th Coolest	Coolest since: 1976	1916
	49.5°F (9.7°C)	49.0°F (9.4°C)	0.5°F (0.3°C)	49th Warmest	Warmest since: 1974	2021
	Ties: 1941, 1963, 1973, 1980, 1990, 1995, 1999
Mar–Dec 1977 10-Month	48.0°F (8.9°C)	47.7°F (8.7°C)	0.3°F (0.2°C)	75th Coolest	Coolest since: 1976	1916
	48.0°F (8.9°C)	47.7°F (8.7°C)	0.3°F (0.2°C)	54th Warmest	Warmest since: 1974	2015
	Ties: 1906, 1915, 1918, 1953, 1957, 1962, 1969, 1980, 1991
Feb–Dec 1977 11-Month	46.7°F (8.2°C)	46.1°F (7.8°C)	0.6°F (0.4°C)	86th Coolest	Coolest since: 1976	1955
	46.7°F (8.2°C)	46.1°F (7.8°C)	0.6°F (0.4°C)	43rd Warmest	Warmest since: 1974	2015
	Ties: 1915, 1938, 1973, 1980, 1990, 2002
Jan–Dec 1977 12-Month	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 1976	1916
	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1974	2015
	Ties: 1918, 1931, 1996
Jul 1976–Dec 1977 18-Month	46.2°F (7.9°C)	45.9°F (7.7°C)	0.3°F (0.2°C)	75th Coolest	Coolest since: 1976	1985
	46.2°F (7.9°C)	45.9°F (7.7°C)	0.3°F (0.2°C)	53rd Warmest	Warmest since: 1974	2015
	Ties: 1900, 2008
Jan 1976–Dec 1977 24-Month	44.5°F (6.9°C)	44.4°F (6.9°C)	0.1°F (0.0°C)	61st Coolest	Coolest since: 1976	1917
	44.5°F (6.9°C)	44.4°F (6.9°C)	0.1°F (0.0°C)	67th Warmest	Warmest since: 1974	2015
	Ties: 1905, 1907, 1938, 1978
Jan 1975–Dec 1977 36-Month	44.2°F (6.8°C)	44.5°F (6.9°C)	-0.3°F (-0.1°C)	44th Coolest	Coolest since: 1976	1913
	44.2°F (6.8°C)	44.5°F (6.9°C)	-0.3°F (-0.1°C)	83rd Warmest	Warmest since: 1976	2016
	Ties: 1901, 1945, 1964, 1973, 1976
Jan 1974–Dec 1977 48-Month	44.4°F (6.9°C)	44.5°F (6.9°C)	-0.1°F (0.0°C)	54th Coolest	Coolest since: 1976	1913, 1914, 1919
	44.4°F (6.9°C)	44.5°F (6.9°C)	-0.1°F (0.0°C)	72nd Warmest	Warmest since: 1976	2016, 2017
	Ties: 1954, 1974, 1976, 1984
Jan 1973–Dec 1977 60-Month	44.5°F (6.9°C)	44.4°F (6.9°C)	0.1°F (0.0°C)	57th Coolest	Coolest since: 1976	1913
	44.5°F (6.9°C)	44.4°F (6.9°C)	0.1°F (0.0°C)	68th Warmest	Warmest since: 1971	2018
	Ties: 1945, 1965, 1966, 1984, 1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings