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 1981

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1981
1-Month
30.8°F
(-0.7°C)
28.1°F
(-2.2°C)
2.7°F
(1.5°C)
101st Coolest
Coolest since:
1990
27th Warmest
Warmest since:
1917
Ties: 1941, 1977, 2020
Nov–Dec 1981
2-Month
34.1°F
(1.2°C)
31.3°F
(-0.4°C)
2.8°F
(1.6°C)
114th Coolest
Coolest since:
1985
14th Warmest
Warmest since:
1917
Ties: 1949, 1958
Oct–Dec 1981
3-Month
37.3°F
(2.9°C)
36.1°F
(2.3°C)
1.2°F
(0.6°C)
93rd Coolest
Coolest since:
1985
35th Warmest
Warmest since:
1917
Ties: 1976, 2001
Sep–Dec 1981
4-Month
42.3°F
(5.7°C)
41.1°F
(5.1°C)
1.2°F
(0.6°C)
92nd Coolest
Coolest since:
1985
36th Warmest
Warmest since:
1917
Ties: 2004
Aug–Dec 1981
5-Month
47.1°F
(8.4°C)
45.5°F
(7.5°C)
1.6°F
(0.9°C)
106th Coolest
Coolest since:
1985
22nd Warmest
Warmest since:
1917, 2014
Ties: 1966, 1979, 1987, 2017
Jul–Dec 1981
6-Month
49.7°F
(9.8°C)
48.6°F
(9.2°C)
1.1°F
(0.6°C)
97th Coolest
Coolest since:
1985
31st Warmest
Warmest since:
2014
Ties: 1940, 1942, 2013
Jun–Dec 1981
7-Month
50.5°F
(10.3°C)
49.8°F
(9.9°C)
0.7°F
(0.4°C)
89th Coolest
Coolest since:
1916
39th Warmest
Warmest since:
2021
Ties: 1906, 1918, 1962, 1977, 1997, 2008
May–Dec 1981
8-Month
50.3°F
(10.2°C)
49.8°F
(9.9°C)
0.5°F
(0.3°C)
79th Coolest
Coolest since:
1916
49th Warmest
Warmest since:
2021
Ties: 1906, 1926, 1947, 1953, 2009
Apr–Dec 1981
9-Month
49.6°F
(9.8°C)
49.0°F
(9.4°C)
0.6°F
(0.4°C)
85th Coolest
Coolest since:
1916
43rd Warmest
Warmest since:
2021
Ties: 1947, 1952, 1962, 1969
Mar–Dec 1981
10-Month
48.5°F
(9.2°C)
47.7°F
(8.7°C)
0.8°F
(0.5°C)
95th Coolest
Coolest since:
1916
33rd Warmest
Warmest since:
2015
Ties: 1947, 1966, 1997
Feb–Dec 1981
11-Month
47.1°F
(8.4°C)
46.1°F
(7.8°C)
1.0°F
(0.6°C)
98th Coolest
Coolest since:
1955
30th Warmest
Warmest since:
2015
Ties: 1979, 1991, 1995
Jan–Dec 1981
12-Month
45.9°F
(7.7°C)
44.5°F
(6.9°C)
1.4°F
(0.8°C)
107th Coolest
Coolest since:
1916
21st Warmest
Warmest since:
2015
Ties: 1986, 1988
Jul 1980–Dec 1981
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
25th Warmest
Warmest since:
2015
Ties: 1918, 1926, 1938, 2000, 2017
Jan 1980–Dec 1981
24-Month
45.4°F
(7.4°C)
44.5°F
(6.9°C)
0.9°F
(0.5°C)
96th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
2015
Ties: 1958, 1991
Jan 1979–Dec 1981
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
40th Warmest
Warmest since:
2016
Ties: 1960, 1991, 1995, 2009
Jan 1978–Dec 1981
48-Month
44.9°F
(7.2°C)
44.4°F
(6.9°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1913, 1914, 1919
45th Warmest
Warmest since:
2016, 2017
Ties: 1926, 1939
Jan 1977–Dec 1981
60-Month
44.9°F
(7.2°C)
44.4°F
(6.9°C)
0.5°F
(0.3°C)
84th Coolest
Coolest since:
1913
40th Warmest
Warmest since:
2018
Ties: 1937, 1944, 1961, 1969, 1970

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