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 1963

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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1963
1-Month
27.7°F
(-2.4°C)
28.1°F
(-2.2°C)
-0.4°F
(-0.2°C)
50th Coolest
Coolest since:
1990
79th Warmest
Warmest since:
1917
Ties: 1987
Nov–Dec 1963
2-Month
32.0°F
(0.0°C)
31.3°F
(-0.4°C)
0.7°F
(0.4°C)
75th Coolest
Coolest since:
1985
54th Warmest
Warmest since:
1917
Ties: 1942, 1979, 1986
Oct–Dec 1963
3-Month
37.7°F
(3.2°C)
36.2°F
(2.3°C)
1.5°F
(0.9°C)
104th Coolest
Coolest since:
1985
25th Warmest
Warmest since:
1917
Ties: 1974, 1989, 2012
Sep–Dec 1963
4-Month
43.4°F
(6.3°C)
41.1°F
(5.1°C)
2.3°F
(1.2°C)
121st Coolest
Coolest since:
1985
8th Warmest
Warmest since:
1917
Ties: 1962
Aug–Dec 1963
5-Month
47.4°F
(8.6°C)
45.5°F
(7.5°C)
1.9°F
(1.1°C)
117th Coolest
Coolest since:
1985
12th Warmest
Warmest since:
1917, 2014
Ties: 1904, 1933, 1967, 2015
Jul–Dec 1963
6-Month
49.8°F
(9.9°C)
48.7°F
(9.3°C)
1.1°F
(0.6°C)
100th Coolest
Coolest since:
1985
29th Warmest
Warmest since:
2014
Ties: 1966, 2006
Jun–Dec 1963
7-Month
50.6°F
(10.3°C)
49.8°F
(9.9°C)
0.8°F
(0.4°C)
92nd Coolest
Coolest since:
1916
37th Warmest
Warmest since:
2021
Ties: 1936, 1966
May–Dec 1963
8-Month
50.6°F
(10.3°C)
49.7°F
(9.8°C)
0.9°F
(0.5°C)
94th Coolest
Coolest since:
1916
35th Warmest
Warmest since:
2021
Ties: 1938, 1994, 1999
Apr–Dec 1963
9-Month
49.5°F
(9.7°C)
49.0°F
(9.4°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1916
49th Warmest
Warmest since:
2021
Ties: 1941, 1973, 1977, 1980, 1990, 1995, 1999
Mar–Dec 1963
10-Month
48.2°F
(9.0°C)
47.7°F
(8.7°C)
0.5°F
(0.3°C)
83rd Coolest
Coolest since:
1916
46th Warmest
Warmest since:
2015
Ties: 1900, 1904, 1933, 1973, 1995, 1999
Feb–Dec 1963
11-Month
47.2°F
(8.4°C)
46.1°F
(7.8°C)
1.1°F
(0.6°C)
102nd Coolest
Coolest since:
1955
27th Warmest
Warmest since:
2015
Ties: 1947, 2006, 2022
Jan–Dec 1963
12-Month
45.1°F
(7.3°C)
44.4°F
(6.9°C)
0.7°F
(0.4°C)
83rd Coolest
Coolest since:
1916
46th Warmest
Warmest since:
2015
Jul 1962–Dec 1963
18-Month
46.6°F
(8.1°C)
45.8°F
(7.7°C)
0.8°F
(0.4°C)
92nd Coolest
Coolest since:
1985
36th Warmest
Warmest since:
2015
Ties: 1961, 1968, 1980, 1997, 2019
Jan 1962–Dec 1963
24-Month
44.8°F
(7.1°C)
44.5°F
(6.9°C)
0.3°F
(0.2°C)
76th Coolest
Coolest since:
1917
52nd Warmest
Warmest since:
2015
Ties: 1901, 1925, 1947, 1961
Jan 1961–Dec 1963
36-Month
45.0°F
(7.2°C)
44.4°F
(6.9°C)
0.6°F
(0.3°C)
81st Coolest
Coolest since:
1913
46th Warmest
Warmest since:
2016
Ties: 1939, 1959
Jan 1960–Dec 1963
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, 1960, 1970
Jan 1959–Dec 1963
60-Month
44.7°F
(7.1°C)
44.4°F
(6.9°C)
0.3°F
(0.2°C)
72nd Coolest
Coolest since:
1913
53rd Warmest
Warmest since:
2018
Ties: 1927, 1939, 1968, 1983

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