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 1928

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1928 1-Month	25.0°F (-3.9°C)	28.1°F (-2.2°C)	-3.1°F (-1.7°C)	22nd Coolest	Coolest since: 1927	1990
	25.0°F (-3.9°C)	28.1°F (-2.2°C)	-3.1°F (-1.7°C)	107th Warmest	Warmest since: 1926	1917
	Ties: 1931
Nov–Dec 1928 2-Month	30.0°F (-1.1°C)	31.4°F (-0.3°C)	-1.4°F (-0.8°C)	34th Coolest	Coolest since: 1927	1985
	30.0°F (-1.1°C)	31.4°F (-0.3°C)	-1.4°F (-0.8°C)	95th Warmest	Warmest since: 1927	1917
	Ties: 1927, 2009
Oct–Dec 1928 3-Month	35.0°F (1.7°C)	36.1°F (2.3°C)	-1.1°F (-0.6°C)	29th Coolest	Coolest since: 1924	1985
	35.0°F (1.7°C)	36.1°F (2.3°C)	-1.1°F (-0.6°C)	100th Warmest	Warmest since: 1927	1917
	Ties: 1970
Sep–Dec 1928 4-Month	40.2°F (4.6°C)	41.0°F (5.0°C)	-0.8°F (-0.4°C)	30th Coolest	Coolest since: 1927	1985
	40.2°F (4.6°C)	41.0°F (5.0°C)	-0.8°F (-0.4°C)	99th Warmest	Warmest since: 1926	1917
	Ties: 1913, 1922
Aug–Dec 1928 5-Month	44.5°F (6.9°C)	45.5°F (7.5°C)	-1.0°F (-0.6°C)	23rd Coolest	Coolest since: 1927	1985
	44.5°F (6.9°C)	45.5°F (7.5°C)	-1.0°F (-0.6°C)	106th Warmest	Warmest since: 1927	1917, 2014
	Ties: 1896, 1927, 1946, 1955, 1959, 1961, 1982
Jul–Dec 1928 6-Month	48.0°F (8.9°C)	48.6°F (9.2°C)	-0.6°F (-0.3°C)	36th Coolest	Coolest since: 1927	1985
	48.0°F (8.9°C)	48.6°F (9.2°C)	-0.6°F (-0.3°C)	93rd Warmest	Warmest since: 1926	2014
	Ties: 1897, 1899, 1959
Jun–Dec 1928 7-Month	49.0°F (9.4°C)	49.7°F (9.8°C)	-0.7°F (-0.4°C)	24th Coolest	Coolest since: 1924	1916
	49.0°F (9.4°C)	49.7°F (9.8°C)	-0.7°F (-0.4°C)	105th Warmest	Warmest since: 1927	2021
	Ties: 1899, 1903, 1913, 1946, 1954, 1982
May–Dec 1928 8-Month	49.7°F (9.8°C)	49.8°F (9.9°C)	-0.1°F (-0.1°C)	47th Coolest	Coolest since: 1927	1916
	49.7°F (9.8°C)	49.8°F (9.9°C)	-0.1°F (-0.1°C)	82nd Warmest	Warmest since: 1926	2021
	Ties: 1900, 1931, 1944, 1965, 2000
Apr–Dec 1928 9-Month	48.7°F (9.3°C)	49.0°F (9.4°C)	-0.3°F (-0.1°C)	44th Coolest	Coolest since: 1927	1916
	48.7°F (9.3°C)	49.0°F (9.4°C)	-0.3°F (-0.1°C)	85th Warmest	Warmest since: 1926	2021
	Ties: 1907, 1929, 1946
Mar–Dec 1928 10-Month	47.6°F (8.7°C)	47.7°F (8.7°C)	-0.1°F (0.0°C)	54th Coolest	Coolest since: 1927	1916
	47.6°F (8.7°C)	47.7°F (8.7°C)	-0.1°F (0.0°C)	75th Warmest	Warmest since: 1926	2015
	Ties: 1901, 2008, 2010
Feb–Dec 1928 11-Month	46.0°F (7.8°C)	46.1°F (7.8°C)	-0.1°F (0.0°C)	50th Coolest	Coolest since: 1927	1955
	46.0°F (7.8°C)	46.1°F (7.8°C)	-0.1°F (0.0°C)	79th Warmest	Warmest since: 1926	2015
	Ties: 1942, 1943, 1952, 1965, 1983
Jan–Dec 1928 12-Month	44.4°F (6.9°C)	44.4°F (6.9°C)	0.0°F (0.0°C)	55th Coolest	Coolest since: 1927	1916
	44.4°F (6.9°C)	44.4°F (6.9°C)	0.0°F (0.0°C)	74th Warmest	Warmest since: 1926	2015
	Ties: 1921, 1946, 1959, 1962, 1970, 2008
Jul 1927–Dec 1928 18-Month	45.5°F (7.5°C)	45.8°F (7.7°C)	-0.3°F (-0.2°C)	37th Coolest	Coolest since: 1927	1985
	45.5°F (7.5°C)	45.8°F (7.7°C)	-0.3°F (-0.2°C)	91st Warmest	Warmest since: 1926	2015
	Ties: 1902, 1910, 1960, 1969, 1975
Jan 1927–Dec 1928 24-Month	44.1°F (6.7°C)	44.5°F (6.9°C)	-0.4°F (-0.2°C)	38th Coolest	Coolest since: 1924	1917
	44.1°F (6.7°C)	44.5°F (6.9°C)	-0.4°F (-0.2°C)	90th Warmest	Warmest since: 1927	2015
	Ties: 1900, 1919, 1931, 1932, 1943, 1944, 1964, 1971, 1983, 1984
Jan 1926–Dec 1928 36-Month	44.7°F (7.1°C)	44.4°F (6.9°C)	0.3°F (0.2°C)	73rd Coolest	Coolest since: 1925	1913
	44.7°F (7.1°C)	44.4°F (6.9°C)	0.3°F (0.2°C)	54th Warmest	Warmest since: 1927	2016
	Ties: 1947, 1954, 1961, 1962, 1982, 1983
Jan 1925–Dec 1928 48-Month	45.0°F (7.2°C)	44.4°F (6.9°C)	0.6°F (0.3°C)	83rd Coolest	Coolest since: 1927	1913, 1914, 1919
	45.0°F (7.2°C)	44.4°F (6.9°C)	0.6°F (0.3°C)	43rd Warmest	Warmest to Date	2016, 2017
	Ties: 1969, 1996
Jan 1924–Dec 1928 60-Month	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	78th Coolest	Coolest since: 1927	1913
	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	47th Warmest	Warmest to Date	2018
	Ties: 1934, 1935, 1936, 1967, 1988

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings