Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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 1923

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
December 1923
1-Month 		27.2°F
(-2.7°C)		 28.1°F
(-2.2°C)		 -0.9°F
(-0.5°C)		 39th Coolest
Coolest since:
 1990
90th Warmest
Warmest since:
 1917
Nov–Dec 1923
2-Month 		31.9°F
(-0.1°C)		 31.4°F
(-0.3°C)		 0.5°F
(0.2°C)		 71st Coolest
Coolest since:
 1985
58th Warmest
Warmest since:
 1917
Ties: 1912, 1996, 1998
Oct–Dec 1923
3-Month 		36.1°F
(2.3°C)		 36.2°F
(2.3°C)		 -0.1°F
(0.0°C)		 52nd Coolest
Coolest since:
 1985
77th Warmest
Warmest since:
 1917
Ties: 1902, 1960
Sep–Dec 1923
4-Month 		41.5°F
(5.3°C)		 41.1°F
(5.1°C)		 0.4°F
(0.2°C)		 67th Coolest
Coolest since:
 1985
62nd Warmest
Warmest since:
 1917
Ties: 1954
Aug–Dec 1923
5-Month 		45.9°F
(7.7°C)		 45.5°F
(7.5°C)		 0.4°F
(0.2°C)		 74th Coolest
Coolest since:
 1985
55th Warmest
Warmest since:
 1917, 2014
Ties: 1907, 1965, 1976, 1977, 2019
Jul–Dec 1923
6-Month 		49.1°F
(9.5°C)		 48.6°F
(9.2°C)		 0.5°F
(0.3°C)		 73rd Coolest
Coolest since:
 1985
56th Warmest
Warmest since:
 2014
Ties: 1929
Jun–Dec 1923
7-Month 		49.9°F
(9.9°C)		 49.8°F
(9.9°C)		 0.1°F
(0.0°C)		 55th Coolest
Coolest since:
 1916
74th Warmest
Warmest since:
 2021
Ties: 1901, 1943
May–Dec 1923
8-Month 		49.9°F
(9.9°C)		 49.8°F
(9.9°C)		 0.1°F
(0.0°C)		 57th Coolest
Coolest since:
 1916
72nd Warmest
Warmest since:
 2021
Ties: 1897, 1922
Apr–Dec 1923
9-Month 		49.0°F
(9.4°C)		 49.0°F
(9.4°C)		 0.0°F
(0.0°C)		 50th Coolest
Coolest since:
 1916
79th Warmest
Warmest since:
 2021
Ties: 1901, 1915, 1956, 1965
Mar–Dec 1923
10-Month 		47.5°F
(8.6°C)		 47.7°F
(8.7°C)		 -0.2°F
(-0.1°C)		 48th Coolest
Coolest since:
 1916
81st Warmest
Warmest since:
 2015
Ties: 1914, 1929, 1943, 1946, 1956
Feb–Dec 1923
11-Month 		45.3°F
(7.4°C)		 46.1°F
(7.8°C)		 -0.8°F
(-0.4°C)		 26th Coolest
Coolest since:
 1955
103rd Warmest
Warmest since:
 2015
Ties: 1896, 1927, 1956
Jan–Dec 1923
12-Month 		44.0°F
(6.7°C)		 44.5°F
(6.9°C)		 -0.5°F
(-0.2°C)		 36th Coolest
Coolest since:
 1916
93rd Warmest
Warmest since:
 2015
Ties: 1896, 1897, 1905, 1907, 1908, 1944, 1972
Jul 1922–Dec 1923
18-Month 		45.4°F
(7.4°C)		 45.8°F
(7.7°C)		 -0.4°F
(-0.3°C)		 32nd Coolest
Coolest since:
 1985
96th Warmest
Warmest since:
 2015
Ties: 1897, 1901, 1950
Jan 1922–Dec 1923
24-Month 		43.2°F
(6.2°C)		 44.4°F
(6.9°C)		 -1.2°F
(-0.7°C)		 8th Coolest
Coolest since:
 1917
120th Warmest
Warmest since:
 2015
Ties: 1899, 1903, 1916, 1955
Jan 1921–Dec 1923
36-Month 		43.6°F
(6.4°C)		 44.4°F
(6.9°C)		 -0.8°F
(-0.5°C)		 15th Coolest
Coolest since:
 1913
112th Warmest
Warmest since:
 2016
Ties: 1897, 1903, 1930
Jan 1920–Dec 1923
48-Month 		43.6°F
(6.4°C)		 44.4°F
(6.9°C)		 -0.8°F
(-0.5°C)		 9th Coolest
Coolest since:
 1913, 1914, 1919
117th Warmest
Warmest since:
 2016, 2017
Ties: 1898, 1899, 1911, 1917, 1924, 1930, 1932, 1957
Jan 1919–Dec 1923
60-Month 		43.5°F
(6.4°C)		 44.4°F
(6.9°C)		 -0.9°F
(-0.5°C)		 4th Coolest
Coolest since:
 1913
121st Warmest
Warmest since:
 2018
Ties: 1899, 1912, 1914, 1917, 1952

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