Regional Rankings

Regional Data Info
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 2000

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Warmest/Coolest
Since		 Record
December 2000
1-Month 		28.3°F
(-2.1°C)		 28.1°F
(-2.2°C)		 0.2°F
(0.1°C)		 62nd Coolest
Coolest since:
 1990
67th Warmest
Warmest since:
 1917
Nov–Dec 2000
2-Month 		29.2°F
(-1.6°C)		 31.4°F
(-0.3°C)		 -2.2°F
(-1.3°C)		 22nd Coolest
Coolest since:
 1985
107th Warmest
Warmest since:
 1917
Ties: 1911, 1983
Oct–Dec 2000
3-Month 		34.6°F
(1.4°C)		 36.1°F
(2.3°C)		 -1.5°F
(-0.9°C)		 24th Coolest
Coolest since:
 1985
105th Warmest
Warmest since:
 1917
Ties: 1955
Sep–Dec 2000
4-Month 		39.8°F
(4.3°C)		 41.1°F
(5.1°C)		 -1.3°F
(-0.8°C)		 24th Coolest
Coolest since:
 1985
105th Warmest
Warmest since:
 1917
Ties: 1955
Aug–Dec 2000
5-Month 		44.8°F
(7.1°C)		 45.5°F
(7.5°C)		 -0.7°F
(-0.4°C)		 36th Coolest
Coolest since:
 1985
93rd Warmest
Warmest since:
 1917, 2014
Ties: 1899, 1908, 1956, 1983
Jul–Dec 2000
6-Month 		48.1°F
(8.9°C)		 48.6°F
(9.2°C)		 -0.5°F
(-0.3°C)		 40th Coolest
Coolest since:
 1985
89th Warmest
Warmest since:
 2014
Ties: 1961
Jun–Dec 2000
7-Month 		49.6°F
(9.8°C)		 49.8°F
(9.9°C)		 -0.2°F
(-0.1°C)		 48th Coolest
Coolest since:
 1916
81st Warmest
Warmest since:
 2021
Ties: 1944
May–Dec 2000
8-Month 		49.7°F
(9.8°C)		 49.8°F
(9.9°C)		 -0.1°F
(-0.1°C)		 47th Coolest
Coolest since:
 1916
82nd Warmest
Warmest since:
 2021
Ties: 1900, 1928, 1931, 1944, 1965
Apr–Dec 2000
9-Month 		49.3°F
(9.6°C)		 49.0°F
(9.4°C)		 0.3°F
(0.2°C)		 64th Coolest
Coolest since:
 1916
65th Warmest
Warmest since:
 2021
Ties: 1897, 1953, 1957
Mar–Dec 2000
10-Month 		48.1°F
(8.9°C)		 47.7°F
(8.7°C)		 0.4°F
(0.2°C)		 76th Coolest
Coolest since:
 1916
53rd Warmest
Warmest since:
 2015
Feb–Dec 2000
11-Month 		46.8°F
(8.2°C)		 46.1°F
(7.8°C)		 0.7°F
(0.4°C)		 90th Coolest
Coolest since:
 1955
39th Warmest
Warmest since:
 2015
Ties: 1937, 1961, 1966
Jan–Dec 2000
12-Month 		45.3°F
(7.4°C)		 44.4°F
(6.9°C)		 0.9°F
(0.5°C)		 91st Coolest
Coolest since:
 1916
38th Warmest
Warmest since:
 2015
Ties: 1900, 1966, 1999
Jul 1999–Dec 2000
18-Month 		47.0°F
(8.3°C)		 45.8°F
(7.7°C)		 1.2°F
(0.6°C)		 102nd Coolest
Coolest since:
 1985
26th Warmest
Warmest since:
 2015
Ties: 1918, 1926, 1938, 1981, 2017
Jan 1999–Dec 2000
24-Month 		45.3°F
(7.4°C)		 44.4°F
(6.9°C)		 0.9°F
(0.5°C)		 93rd Coolest
Coolest since:
 1917
35th Warmest
Warmest since:
 2015
Ties: 1989, 1996
Jan 1998–Dec 2000
36-Month 		45.7°F
(7.6°C)		 44.5°F
(6.9°C)		 1.2°F
(0.7°C)		 109th Coolest
Coolest since:
 1913
18th Warmest
Warmest since:
 2016
Ties: 1989, 1999, 2019
Jan 1997–Dec 2000
48-Month 		45.6°F
(7.6°C)		 44.4°F
(6.9°C)		 1.2°F
(0.7°C)		 108th Coolest
Coolest since:
 1913, 1914, 1919
18th Warmest
Warmest since:
 2016, 2017
Ties: 1942, 1990, 1992, 1995, 1998
Jan 1996–Dec 2000
60-Month 		45.4°F
(7.4°C)		 44.4°F
(6.9°C)		 1.0°F
(0.5°C)		 99th Coolest
Coolest since:
 1913
26th Warmest
Warmest since:
 2018
Ties: 1994, 1996, 2009

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