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 1949

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1949
1-Month
28.0°F
(-2.2°C)
28.1°F
(-2.2°C)
-0.1°F
(0.0°C)
56th Coolest
Coolest since:
1990
72nd Warmest
Warmest since:
1917
Ties: 1902, 1955
Nov–Dec 1949
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: 1958, 1981
Oct–Dec 1949
3-Month
36.6°F
(2.6°C)
36.2°F
(2.3°C)
0.4°F
(0.3°C)
71st Coolest
Coolest since:
1985
57th Warmest
Warmest since:
1917
Ties: 1899, 1944, 2017
Sep–Dec 1949
4-Month
41.8°F
(5.4°C)
41.1°F
(5.1°C)
0.7°F
(0.3°C)
79th Coolest
Coolest since:
1985
49th Warmest
Warmest since:
1917
Ties: 1910, 1918, 1944, 1965, 1973, 2018
Aug–Dec 1949
5-Month
46.1°F
(7.8°C)
45.5°F
(7.5°C)
0.6°F
(0.3°C)
81st Coolest
Coolest since:
1985
47th Warmest
Warmest since:
1917, 2014
Ties: 1929
Jul–Dec 1949
6-Month
48.9°F
(9.4°C)
48.6°F
(9.2°C)
0.3°F
(0.2°C)
62nd Coolest
Coolest since:
1985
66th Warmest
Warmest since:
2014
Ties: 1947, 1965, 1990
Jun–Dec 1949
7-Month
50.0°F
(10.0°C)
49.7°F
(9.8°C)
0.3°F
(0.2°C)
58th Coolest
Coolest since:
1916
70th Warmest
Warmest since:
2021
Ties: 1922, 1929, 1965, 1969, 1980, 1990, 2005, 2010
May–Dec 1949
8-Month
50.4°F
(10.2°C)
49.8°F
(9.9°C)
0.6°F
(0.3°C)
85th Coolest
Coolest since:
1916
43rd Warmest
Warmest since:
2021
Ties: 1950, 1969, 1986, 1991, 1995
Apr–Dec 1949
9-Month
49.9°F
(9.9°C)
49.0°F
(9.4°C)
0.9°F
(0.5°C)
97th Coolest
Coolest since:
1916
31st Warmest
Warmest since:
2021
Ties: 1925, 1966
Mar–Dec 1949
10-Month
48.4°F
(9.1°C)
47.6°F
(8.7°C)
0.8°F
(0.4°C)
91st Coolest
Coolest since:
1916
37th Warmest
Warmest since:
2015
Ties: 1990, 2002, 2005
Feb–Dec 1949
11-Month
46.4°F
(8.0°C)
46.2°F
(7.9°C)
0.2°F
(0.1°C)
74th Coolest
Coolest since:
1955
54th Warmest
Warmest since:
2015
Ties: 1906, 1962, 2010
Jan–Dec 1949
12-Month
43.4°F
(6.3°C)
44.4°F
(6.9°C)
-1.0°F
(-0.6°C)
19th Coolest
Coolest since:
1916
109th Warmest
Warmest since:
2015
Ties: 1975, 1984
Jul 1948–Dec 1949
18-Month
44.3°F
(6.8°C)
45.8°F
(7.7°C)
-1.5°F
(-0.9°C)
7th Coolest
Coolest since:
1985
120th Warmest
Warmest since:
2015
Ties: 1922
Jan 1948–Dec 1949
24-Month
43.1°F
(6.2°C)
44.4°F
(6.9°C)
-1.3°F
(-0.7°C)
6th Coolest
Coolest since:
1917
121st Warmest
Warmest since:
2015
Ties: 1930
Jan 1947–Dec 1949
36-Month
43.8°F
(6.6°C)
44.4°F
(6.9°C)
-0.6°F
(-0.3°C)
24th Coolest
Coolest since:
1913
102nd Warmest
Warmest since:
2016
Ties: 1898, 1904, 1952, 1986
Jan 1946–Dec 1949
48-Month
44.0°F
(6.7°C)
44.5°F
(6.9°C)
-0.5°F
(-0.2°C)
28th Coolest
Coolest since:
1913, 1914, 1919
97th Warmest
Warmest since:
2016, 2017
Ties: 1901, 1902, 1903, 1909, 1910, 1921, 1925, 1956
Jan 1945–Dec 1949
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
91st Warmest
Warmest since:
2018
Ties: 1906, 1910, 1925, 1930, 1953

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