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 1960

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
December 1960
1-Month 		27.5°F
(-2.5°C)		 28.1°F
(-2.2°C)		 -0.6°F
(-0.3°C)		 44th Coolest
Coolest since:
 1990
85th Warmest
Warmest since:
 1917
Ties: 1988, 2007
Nov–Dec 1960
2-Month 		31.1°F
(-0.5°C)		 31.4°F
(-0.3°C)		 -0.3°F
(-0.2°C)		 52nd Coolest
Coolest since:
 1985
77th Warmest
Warmest since:
 1917
Ties: 1897, 1970, 2015
Oct–Dec 1960
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, 1923
Sep–Dec 1960
4-Month 		41.4°F
(5.2°C)		 41.1°F
(5.1°C)		 0.3°F
(0.1°C)		 63rd Coolest
Coolest since:
 1985
66th Warmest
Warmest since:
 1917
Ties: 1925, 1969
Aug–Dec 1960
5-Month 		45.3°F
(7.4°C)		 45.5°F
(7.5°C)		 -0.2°F
(-0.1°C)		 50th Coolest
Coolest since:
 1985
79th Warmest
Warmest since:
 1917, 2014
Ties: 2009
Jul–Dec 1960
6-Month 		49.0°F
(9.4°C)		 48.6°F
(9.2°C)		 0.4°F
(0.2°C)		 71st Coolest
Coolest since:
 1985
58th Warmest
Warmest since:
 2014
Ties: 1925, 1941, 1976, 1996, 2019
Jun–Dec 1960
7-Month 		50.3°F
(10.2°C)		 49.8°F
(9.9°C)		 0.5°F
(0.3°C)		 80th Coolest
Coolest since:
 1916
49th Warmest
Warmest since:
 2021
Ties: 1926, 1973, 1986, 1994, 2019
May–Dec 1960
8-Month 		50.0°F
(10.0°C)		 49.8°F
(9.9°C)		 0.2°F
(0.1°C)		 60th Coolest
Coolest since:
 1916
69th Warmest
Warmest since:
 2021
Ties: 1929, 1942, 1977, 1980
Apr–Dec 1960
9-Month 		49.2°F
(9.6°C)		 49.0°F
(9.4°C)		 0.2°F
(0.2°C)		 58th Coolest
Coolest since:
 1916
71st Warmest
Warmest since:
 2021
Ties: 1918, 1943, 1961, 2008
Mar–Dec 1960
10-Month 		47.9°F
(8.8°C)		 47.7°F
(8.7°C)		 0.2°F
(0.1°C)		 62nd Coolest
Coolest since:
 1916
67th Warmest
Warmest since:
 2015
Ties: 1942, 1961, 1996
Feb–Dec 1960
11-Month 		46.1°F
(7.8°C)		 46.1°F
(7.8°C)		 0.0°F
(0.0°C)		 56th Coolest
Coolest since:
 1955
73rd Warmest
Warmest since:
 2015
Ties: 1950
Jan–Dec 1960
12-Month 		44.2°F
(6.8°C)		 44.5°F
(6.9°C)		 -0.3°F
(-0.1°C)		 47th Coolest
Coolest since:
 1916
82nd Warmest
Warmest since:
 2015
Ties: 1933, 2011
Jul 1959–Dec 1960
18-Month 		45.5°F
(7.5°C)		 45.8°F
(7.7°C)		 -0.3°F
(-0.2°C)		 36th Coolest
Coolest since:
 1985
92nd Warmest
Warmest since:
 2015
Ties: 1902, 1910, 1928, 1969, 1975, 1982
Jan 1959–Dec 1960
24-Month 		44.3°F
(6.8°C)		 44.4°F
(6.9°C)		 -0.1°F
(-0.1°C)		 53rd Coolest
Coolest since:
 1917
75th Warmest
Warmest since:
 2015
Ties: 1945
Jan 1958–Dec 1960
36-Month 		45.1°F
(7.3°C)		 44.4°F
(6.9°C)		 0.7°F
(0.4°C)		 86th Coolest
Coolest since:
 1913
41st Warmest
Warmest since:
 2016
Ties: 1981, 1991, 1995, 2009
Jan 1957–Dec 1960
48-Month 		44.8°F
(7.1°C)		 44.4°F
(6.9°C)		 0.4°F
(0.2°C)		 77th Coolest
Coolest since:
 1913, 1914, 1919
49th Warmest
Warmest since:
 2016, 2017
Ties: 1927, 1935, 1963, 1970
Jan 1956–Dec 1960
60-Month 		44.6°F
(7.0°C)		 44.4°F
(6.9°C)		 0.2°F
(0.1°C)		 67th Coolest
Coolest since:
 1913
58th Warmest
Warmest since:
 2018
Ties: 1929, 1971, 1980, 1982

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