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 1906

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1906
1-Month
31.7°F
(-0.2°C)
28.1°F
(-2.2°C)
3.6°F
(2.0°C)
111th Coolest
Coolest since:
1990
18th Warmest
Warmest since:
1917
Ties: 1937
Nov–Dec 1906
2-Month
32.6°F
(0.3°C)
31.3°F
(-0.4°C)
1.3°F
(0.7°C)
87th Coolest
Coolest since:
1985
42nd Warmest
Warmest since:
1917
Ties: 1991, 2018
Oct–Dec 1906
3-Month
37.4°F
(3.0°C)
36.2°F
(2.3°C)
1.2°F
(0.7°C)
96th Coolest
Coolest since:
1985
33rd Warmest
Warmest since:
1917
Ties: 1926
Sep–Dec 1906
4-Month
42.1°F
(5.6°C)
41.1°F
(5.1°C)
1.0°F
(0.5°C)
90th Coolest
Coolest since:
1985
39th Warmest
Warmest since:
1917
Ties: 1901, 1938, 1942, 2022
Aug–Dec 1906
5-Month
46.3°F
(7.9°C)
45.4°F
(7.4°C)
0.9°F
(0.5°C)
86th Coolest
Coolest since:
1985
43rd Warmest
Warmest since:
1917, 2014
Ties: 1952, 1980
Jul–Dec 1906
6-Month
50.0°F
(10.0°C)
48.6°F
(9.2°C)
1.4°F
(0.8°C)
106th Coolest
Coolest since:
1985
23rd Warmest
Warmest since:
2014
Ties: 1904, 1950, 1979, 1988
Jun–Dec 1906
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
40th Warmest
Warmest since:
2021
Ties: 1918, 1962, 1977, 1981, 1997, 2008
May–Dec 1906
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
50th Warmest
Warmest since:
2021
Ties: 1926, 1947, 1953, 1981, 2009
Apr–Dec 1906
9-Month
49.8°F
(9.9°C)
49.0°F
(9.4°C)
0.8°F
(0.5°C)
94th Coolest
Coolest since:
1916
35th Warmest
Warmest since:
2021
Ties: 1933, 1938, 1967, 1997, 2019
Mar–Dec 1906
10-Month
48.0°F
(8.9°C)
47.7°F
(8.7°C)
0.3°F
(0.2°C)
75th Coolest
Coolest since:
1916
54th Warmest
Warmest since:
2015
Ties: 1915, 1918, 1953, 1957, 1962, 1969, 1977, 1980, 1991
Feb–Dec 1906
11-Month
46.4°F
(8.0°C)
46.1°F
(7.8°C)
0.3°F
(0.2°C)
74th Coolest
Coolest since:
1955
55th Warmest
Warmest since:
2015
Ties: 1949, 1962, 2010
Jan–Dec 1906
12-Month
44.9°F
(7.2°C)
44.5°F
(6.9°C)
0.4°F
(0.3°C)
81st Coolest
Coolest since:
1916
48th Warmest
Warmest since:
2015
Ties: 1904, 1915, 1973, 1980, 1983, 2009, 2019
Jul 1905–Dec 1906
18-Month
45.8°F
(7.7°C)
45.8°F
(7.7°C)
0.0°F
(0.0°C)
58th Coolest
Coolest since:
1985
70th Warmest
Warmest since:
2015
Ties: 1915, 1935, 1944, 1946, 1970, 1976, 1978, 2011
Jan 1905–Dec 1906
24-Month
44.4°F
(6.9°C)
44.4°F
(6.9°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1917
73rd Warmest
Warmest since:
2015
Ties: 1946, 1969, 1970, 1973, 1979
Jan 1904–Dec 1906
36-Month
44.6°F
(7.0°C)
44.4°F
(6.9°C)
0.2°F
(0.1°C)
66th Coolest
Coolest since:
1913
61st Warmest
Warmest to Date
2016
Ties: 1938, 1943, 1974, 1980
Jan 1903–Dec 1906
48-Month
44.2°F
(6.8°C)
44.4°F
(6.9°C)
-0.2°F
(-0.1°C)
40th Coolest
Coolest since:
1913, 1914, 1919
86th Warmest
Warmest to Date
2016, 2017
Ties: 1908, 1945, 1946, 1948, 1958, 1978
Jan 1902–Dec 1906
60-Month
44.1°F
(6.7°C)
44.5°F
(6.9°C)
-0.4°F
(-0.2°C)
33rd Coolest
Coolest since:
1913
92nd Warmest
Warmest since:
2018
Ties: 1910, 1925, 1930, 1949, 1953

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