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 1948

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1948 1-Month	21.7°F (-5.7°C)	28.1°F (-2.2°C)	-6.4°F (-3.5°C)	7th Coolest	Coolest since: 1924	1990
	21.7°F (-5.7°C)	28.1°F (-2.2°C)	-6.4°F (-3.5°C)	122nd Warmest	Warmest since: 1947	1917
	Ties: 1909
Nov–Dec 1948 2-Month	27.2°F (-2.7°C)	31.3°F (-0.4°C)	-4.1°F (-2.3°C)	6th Coolest	Coolest since: 1924	1985
Nov–Dec 1948 2-Month	27.2°F (-2.7°C)	31.3°F (-0.4°C)	-4.1°F (-2.3°C)	123rd Warmest	Warmest since: 1947	1917
Oct–Dec 1948 3-Month	33.2°F (0.7°C)	36.2°F (2.3°C)	-3.0°F (-1.6°C)	7th Coolest	Coolest since: 1930	1985
	33.2°F (0.7°C)	36.2°F (2.3°C)	-3.0°F (-1.6°C)	122nd Warmest	Warmest since: 1947	1917
	Ties: 1930
Sep–Dec 1948 4-Month	38.6°F (3.7°C)	41.1°F (5.1°C)	-2.5°F (-1.4°C)	9th Coolest	Coolest since: 1924	1985
	38.6°F (3.7°C)	41.1°F (5.1°C)	-2.5°F (-1.4°C)	120th Warmest	Warmest since: 1947	1917
	Ties: 1971
Aug–Dec 1948 5-Month	43.1°F (6.2°C)	45.5°F (7.5°C)	-2.4°F (-1.3°C)	5th Coolest	Coolest since: 1919	1985
Aug–Dec 1948 5-Month	43.1°F (6.2°C)	45.5°F (7.5°C)	-2.4°F (-1.3°C)	124th Warmest	Warmest since: 1947	1917, 2014
Jul–Dec 1948 6-Month	46.2°F (7.9°C)	48.6°F (9.2°C)	-2.4°F (-1.3°C)	3rd Coolest	Coolest since: 1919	1985
	46.2°F (7.9°C)	48.6°F (9.2°C)	-2.4°F (-1.3°C)	126th Warmest	Warmest since: 1947	2014
	Ties: 1912, 1919
Jun–Dec 1948 7-Month	48.1°F (8.9°C)	49.8°F (9.9°C)	-1.7°F (-1.0°C)	6th Coolest	Coolest since: 1924	1916
	48.1°F (8.9°C)	49.8°F (9.9°C)	-1.7°F (-1.0°C)	123rd Warmest	Warmest since: 1947	2021
	Ties: 1895, 1924, 1984, 1993
May–Dec 1948 8-Month	48.2°F (9.0°C)	49.8°F (9.9°C)	-1.6°F (-0.9°C)	8th Coolest	Coolest since: 1919	1916
	48.2°F (9.0°C)	49.8°F (9.9°C)	-1.6°F (-0.9°C)	121st Warmest	Warmest since: 1947	2021
	Ties: 1895
Apr–Dec 1948 9-Month	47.3°F (8.5°C)	49.0°F (9.4°C)	-1.7°F (-0.9°C)	5th Coolest	Coolest since: 1916	1916
	47.3°F (8.5°C)	49.0°F (9.4°C)	-1.7°F (-0.9°C)	124th Warmest	Warmest since: 1947	2021
	Ties: 1912, 1955
Mar–Dec 1948 10-Month	45.8°F (7.7°C)	47.7°F (8.7°C)	-1.9°F (-1.0°C)	3rd Coolest	Coolest since: 1916	1916
	45.8°F (7.7°C)	47.7°F (8.7°C)	-1.9°F (-1.0°C)	126th Warmest	Warmest since: 1947	2015
	Ties: 1912, 1985
Feb–Dec 1948 11-Month	44.2°F (6.8°C)	46.1°F (7.8°C)	-1.9°F (-1.0°C)	5th Coolest	Coolest since: 1916	1955
	44.2°F (6.8°C)	46.1°F (7.8°C)	-1.9°F (-1.0°C)	124th Warmest	Warmest since: 1947	2015
	Ties: 1899
Jan–Dec 1948 12-Month	42.8°F (6.0°C)	44.4°F (6.9°C)	-1.6°F (-0.9°C)	6th Coolest	Coolest since: 1929	1916
	42.8°F (6.0°C)	44.4°F (6.9°C)	-1.6°F (-0.9°C)	123rd Warmest	Warmest since: 1947	2015
	Ties: 1913, 1929
Jul 1947–Dec 1948 18-Month	44.8°F (7.1°C)	45.8°F (7.7°C)	-1.0°F (-0.6°C)	15th Coolest	Coolest since: 1932	1985
	44.8°F (7.1°C)	45.8°F (7.7°C)	-1.0°F (-0.6°C)	113th Warmest	Warmest since: 1947	2015
	Ties: 1932
Jan 1947–Dec 1948 24-Month	44.0°F (6.7°C)	44.4°F (6.9°C)	-0.4°F (-0.2°C)	33rd Coolest	Coolest since: 1933	1917
	44.0°F (6.7°C)	44.4°F (6.9°C)	-0.4°F (-0.2°C)	95th Warmest	Warmest since: 1947	2015
	Ties: 1897, 1904, 1908, 1986
Jan 1946–Dec 1948 36-Month	44.1°F (6.7°C)	44.4°F (6.9°C)	-0.3°F (-0.2°C)	37th Coolest	Coolest since: 1944	1913
	44.1°F (6.7°C)	44.4°F (6.9°C)	-0.3°F (-0.2°C)	90th Warmest	Warmest since: 1947	2016
	Ties: 1915, 1933, 1937, 1944, 1955, 1971
Jan 1945–Dec 1948 48-Month	44.2°F (6.8°C)	44.4°F (6.9°C)	-0.2°F (-0.1°C)	40th Coolest	Coolest since: 1946	1913, 1914, 1919
	44.2°F (6.8°C)	44.4°F (6.9°C)	-0.2°F (-0.1°C)	86th Warmest	Warmest since: 1947	2016, 2017
	Ties: 1906, 1908, 1945, 1946, 1958, 1978
Jan 1944–Dec 1948 60-Month	44.2°F (6.8°C)	44.4°F (6.9°C)	-0.2°F (-0.1°C)	39th Coolest	Coolest since: 1946	1913
	44.2°F (6.8°C)	44.4°F (6.9°C)	-0.2°F (-0.1°C)	86th Warmest	Warmest since: 1947	2018
	Ties: 1904, 1907, 1946, 1958, 1959, 1972, 1975

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings