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 1912

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1912 1-Month	27.8°F (-2.3°C)	28.1°F (-2.2°C)	-0.3°F (-0.1°C)	52nd Coolest	Coolest since: 1911	1990
	27.8°F (-2.3°C)	28.1°F (-2.2°C)	-0.3°F (-0.1°C)	77th Warmest	Warmest since: 1910	1917
	Ties: 1899, 1935, 1982, 2001
Nov–Dec 1912 2-Month	31.8°F (-0.1°C)	31.3°F (-0.4°C)	0.5°F (0.3°C)	68th Coolest	Coolest since: 1911	1985
Nov–Dec 1912 2-Month	31.8°F (-0.1°C)	31.3°F (-0.4°C)	0.5°F (0.3°C)	61st Warmest	Warmest since: 1910	1917
Oct–Dec 1912 3-Month	35.1°F (1.7°C)	36.2°F (2.3°C)	-1.1°F (-0.6°C)	31st Coolest	Coolest since: 1911	1985
	35.1°F (1.7°C)	36.2°F (2.3°C)	-1.1°F (-0.6°C)	98th Warmest	Warmest since: 1910	1917
	Ties: 1932
Sep–Dec 1912 4-Month	39.1°F (3.9°C)	41.0°F (5.0°C)	-1.9°F (-1.1°C)	15th Coolest	Coolest since: 1911	1985
Sep–Dec 1912 4-Month	39.1°F (3.9°C)	41.0°F (5.0°C)	-1.9°F (-1.1°C)	114th Warmest	Warmest since: 1910	1917
Aug–Dec 1912 5-Month	43.2°F (6.2°C)	45.4°F (7.4°C)	-2.2°F (-1.2°C)	6th Coolest	Coolest since: 1911	1985
	43.2°F (6.2°C)	45.4°F (7.4°C)	-2.2°F (-1.2°C)	123rd Warmest	Warmest since: 1910	1917, 2014
	Ties: 1924, 1978
Jul–Dec 1912 6-Month	46.2°F (7.9°C)	48.6°F (9.2°C)	-2.4°F (-1.3°C)	3rd Coolest	Coolest since: 1912	1985
	46.2°F (7.9°C)	48.6°F (9.2°C)	-2.4°F (-1.3°C)	126th Warmest	Warmest since: 1911	2014
	Ties: 1919, 1948
Jun–Dec 1912 7-Month	47.9°F (8.8°C)	49.8°F (9.9°C)	-1.9°F (-1.1°C)	4th Coolest	Coolest since: 1911	1916
	47.9°F (8.8°C)	49.8°F (9.9°C)	-1.9°F (-1.1°C)	125th Warmest	Warmest since: 1911	2021
	Ties: 1911
May–Dec 1912 8-Month	48.0°F (8.9°C)	49.7°F (9.8°C)	-1.7°F (-0.9°C)	4th Coolest	Coolest since: 1911	1916
	48.0°F (8.9°C)	49.7°F (9.8°C)	-1.7°F (-0.9°C)	125th Warmest	Warmest since: 1910	2021
	Ties: 1919
Apr–Dec 1912 9-Month	47.3°F (8.5°C)	49.0°F (9.4°C)	-1.7°F (-0.9°C)	5th Coolest	Coolest since: 1911	1916
	47.3°F (8.5°C)	49.0°F (9.4°C)	-1.7°F (-0.9°C)	124th Warmest	Warmest since: 1910	2021
	Ties: 1948, 1955
Mar–Dec 1912 10-Month	45.8°F (7.7°C)	47.6°F (8.7°C)	-1.8°F (-1.0°C)	3rd Coolest	Coolest since: 1912	1916
	45.8°F (7.7°C)	47.6°F (8.7°C)	-1.8°F (-1.0°C)	126th Warmest	Warmest since: 1911	2015
	Ties: 1948, 1985
Feb–Dec 1912 11-Month	44.6°F (7.0°C)	46.1°F (7.8°C)	-1.5°F (-0.8°C)	9th Coolest	Coolest since: 1911	1955
	44.6°F (7.0°C)	46.1°F (7.8°C)	-1.5°F (-0.8°C)	120th Warmest	Warmest since: 1910	2015
	Ties: 1913
Jan–Dec 1912 12-Month	43.1°F (6.2°C)	44.5°F (6.9°C)	-1.4°F (-0.7°C)	13th Coolest	Coolest since: 1911	1916
Jan–Dec 1912 12-Month	43.1°F (6.2°C)	44.5°F (6.9°C)	-1.4°F (-0.7°C)	116th Warmest	Warmest since: 1910	2015
Jul 1911–Dec 1912 18-Month	44.2°F (6.8°C)	45.8°F (7.7°C)	-1.6°F (-0.9°C)	4th Coolest	Coolest since: 1912	1985
	44.2°F (6.8°C)	45.8°F (7.7°C)	-1.6°F (-0.9°C)	124th Warmest	Warmest since: 1911	2015
	Ties: 1917, 1955
Jan 1911–Dec 1912 24-Month	42.8°F (6.0°C)	44.4°F (6.9°C)	-1.6°F (-0.9°C)	2nd Coolest	Coolest since: 1912	1917
	42.8°F (6.0°C)	44.4°F (6.9°C)	-1.6°F (-0.9°C)	126th Warmest	Warmest since: 1911	2015
	Ties: 1985
Jan 1910–Dec 1912 36-Month	43.4°F (6.3°C)	44.4°F (6.9°C)	-1.0°F (-0.6°C)	6th Coolest	Coolest since: 1912	1913
	43.4°F (6.3°C)	44.4°F (6.9°C)	-1.0°F (-0.6°C)	121st Warmest	Warmest since: 1911	2016
	Ties: 1924, 1956
Jan 1909–Dec 1912 48-Month	43.4°F (6.3°C)	44.5°F (6.9°C)	-1.1°F (-0.6°C)	4th Coolest	Coolest since: 1912	1913, 1914, 1919
	43.4°F (6.3°C)	44.5°F (6.9°C)	-1.1°F (-0.6°C)	122nd Warmest	Warmest since: 1911	2016, 2017
	Ties: 1922, 1951, 1985
Jan 1908–Dec 1912 60-Month	43.5°F (6.4°C)	44.4°F (6.9°C)	-0.9°F (-0.5°C)	4th Coolest	Coolest since: 1899	1913
	43.5°F (6.4°C)	44.4°F (6.9°C)	-0.9°F (-0.5°C)	121st Warmest	Warmest since: 1911	2018
	Ties: 1899, 1914, 1917, 1923, 1952

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