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 1951

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2021)	Warmest/Coolest Since	Record
December 1951 1-Month	24.1°F (-4.4°C)	28.1°F (-2.2°C)	-4.0°F (-2.2°C)	17th Coolest	Coolest since: 1948	1990
	24.1°F (-4.4°C)	28.1°F (-2.2°C)	-4.0°F (-2.2°C)	111th Warmest	Warmest since: 1950	1917
	Ties: 1922
Nov–Dec 1951 2-Month	28.8°F (-1.8°C)	31.4°F (-0.3°C)	-2.6°F (-1.5°C)	14th Coolest	Coolest since: 1948	1985
	28.8°F (-1.8°C)	31.4°F (-0.3°C)	-2.6°F (-1.5°C)	114th Warmest	Warmest since: 1950	1917
	Ties: 1909, 1935, 1955, 1992, 1994
Oct–Dec 1951 3-Month	33.8°F (1.0°C)	36.2°F (2.3°C)	-2.4°F (-1.3°C)	13th Coolest	Coolest since: 1948	1985
Oct–Dec 1951 3-Month	33.8°F (1.0°C)	36.2°F (2.3°C)	-2.4°F (-1.3°C)	115th Warmest	Warmest since: 1950	1917
Sep–Dec 1951 4-Month	39.4°F (4.1°C)	41.0°F (5.0°C)	-1.6°F (-0.9°C)	20th Coolest	Coolest since: 1948	1985
Sep–Dec 1951 4-Month	39.4°F (4.1°C)	41.0°F (5.0°C)	-1.6°F (-0.9°C)	108th Warmest	Warmest since: 1950	1917
Aug–Dec 1951 5-Month	44.0°F (6.7°C)	45.5°F (7.5°C)	-1.5°F (-0.8°C)	12th Coolest	Coolest since: 1948	1985
	44.0°F (6.7°C)	45.5°F (7.5°C)	-1.5°F (-0.8°C)	116th Warmest	Warmest since: 1950	1917, 2014
	Ties: 1972
Jul–Dec 1951 6-Month	47.5°F (8.6°C)	48.6°F (9.2°C)	-1.1°F (-0.6°C)	18th Coolest	Coolest since: 1948	1985
	47.5°F (8.6°C)	48.6°F (9.2°C)	-1.1°F (-0.6°C)	110th Warmest	Warmest since: 1950	2014
	Ties: 1914, 1982, 1983
Jun–Dec 1951 7-Month	48.6°F (9.2°C)	49.7°F (9.8°C)	-1.1°F (-0.6°C)	14th Coolest	Coolest since: 1948	1916
	48.6°F (9.2°C)	49.7°F (9.8°C)	-1.1°F (-0.6°C)	114th Warmest	Warmest since: 1950	2021
	Ties: 1898, 1914, 1971, 1983
May–Dec 1951 8-Month	48.9°F (9.4°C)	49.8°F (9.9°C)	-0.9°F (-0.5°C)	21st Coolest	Coolest since: 1948	1916
	48.9°F (9.4°C)	49.8°F (9.9°C)	-0.9°F (-0.5°C)	107th Warmest	Warmest since: 1950	2021
	Ties: 1903, 1927, 1983, 1993
Apr–Dec 1951 9-Month	48.3°F (9.1°C)	49.0°F (9.4°C)	-0.7°F (-0.3°C)	32nd Coolest	Coolest since: 1948	1916
Apr–Dec 1951 9-Month	48.3°F (9.1°C)	49.0°F (9.4°C)	-0.7°F (-0.3°C)	96th Warmest	Warmest since: 1950	2021
Mar–Dec 1951 10-Month	46.6°F (8.1°C)	47.7°F (8.7°C)	-1.1°F (-0.6°C)	19th Coolest	Coolest since: 1948	1916
	46.6°F (8.1°C)	47.7°F (8.7°C)	-1.1°F (-0.6°C)	109th Warmest	Warmest since: 1950	2015
	Ties: 1898, 1935, 1982
Feb–Dec 1951 11-Month	45.2°F (7.3°C)	46.1°F (7.8°C)	-0.9°F (-0.5°C)	22nd Coolest	Coolest since: 1948	1955
	45.2°F (7.3°C)	46.1°F (7.8°C)	-0.9°F (-0.5°C)	106th Warmest	Warmest since: 1950	2015
	Ties: 1932, 1935, 1993
Jan–Dec 1951 12-Month	43.5°F (6.4°C)	44.4°F (6.9°C)	-0.9°F (-0.5°C)	22nd Coolest	Coolest since: 1949	1916
	43.5°F (6.4°C)	44.4°F (6.9°C)	-0.9°F (-0.5°C)	106th Warmest	Warmest since: 1950	2015
	Ties: 1898, 1902, 1917, 1920, 1930
Jul 1950–Dec 1951 18-Month	45.7°F (7.6°C)	45.8°F (7.7°C)	-0.1°F (-0.1°C)	50th Coolest	Coolest since: 1950	1985
	45.7°F (7.6°C)	45.8°F (7.7°C)	-0.1°F (-0.1°C)	77th Warmest	Warmest since: 1947	2015
	Ties: 1904, 1921, 1931, 1936, 1942, 1973, 1983
Jan 1950–Dec 1951 24-Month	43.6°F (6.4°C)	44.4°F (6.9°C)	-0.8°F (-0.5°C)	17th Coolest	Coolest since: 1950	1917
	43.6°F (6.4°C)	44.4°F (6.9°C)	-0.8°F (-0.5°C)	110th Warmest	Warmest since: 1948	2015
	Ties: 1909, 1911, 1929
Jan 1949–Dec 1951 36-Month	43.5°F (6.4°C)	44.4°F (6.9°C)	-0.9°F (-0.5°C)	9th Coolest	Coolest since: 1950	1913
	43.5°F (6.4°C)	44.4°F (6.9°C)	-0.9°F (-0.5°C)	117th Warmest	Warmest since: 1949	2016
	Ties: 1899, 1911, 1914, 1922, 1985
Jan 1948–Dec 1951 48-Month	43.4°F (6.3°C)	44.5°F (6.9°C)	-1.1°F (-0.6°C)	4th Coolest	Coolest since: 1922	1913, 1914, 1919
	43.4°F (6.3°C)	44.5°F (6.9°C)	-1.1°F (-0.6°C)	121st Warmest	Warmest since: 1950	2016, 2017
	Ties: 1912, 1922, 1985
Jan 1947–Dec 1951 60-Month	43.7°F (6.5°C)	44.4°F (6.9°C)	-0.7°F (-0.4°C)	13th Coolest	Coolest since: 1933	1913
	43.7°F (6.5°C)	44.4°F (6.9°C)	-0.7°F (-0.4°C)	111th Warmest	Warmest since: 1950	2018
	Ties: 1911, 1922, 1933

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published December 2022, retrieved on December 8, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings