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 1973

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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1973
1-Month
32.5°F
(0.3°C)
28.1°F
(-2.2°C)
4.4°F
(2.5°C)
117th Coolest
Coolest since:
1990
12th Warmest
Warmest since:
1917
Nov–Dec 1973
2-Month
32.9°F
(0.5°C)
31.3°F
(-0.4°C)
1.6°F
(0.9°C)
91st Coolest
Coolest since:
1985
38th Warmest
Warmest since:
1917
Ties: 1910
Oct–Dec 1973
3-Month
37.1°F
(2.8°C)
36.2°F
(2.3°C)
0.9°F
(0.5°C)
88th Coolest
Coolest since:
1985
41st Warmest
Warmest since:
1917
Ties: 1942, 1943, 1954, 1986, 2010, 2018
Sep–Dec 1973
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
50th Warmest
Warmest since:
1917
Ties: 1910, 1918, 1944, 1949, 1965, 2018
Aug–Dec 1973
5-Month
46.0°F
(7.8°C)
45.4°F
(7.4°C)
0.6°F
(0.4°C)
79th Coolest
Coolest since:
1985
50th Warmest
Warmest since:
1917, 2014
Ties: 1938, 1986, 2006, 2013
Jul–Dec 1973
6-Month
49.2°F
(9.6°C)
48.6°F
(9.2°C)
0.6°F
(0.4°C)
79th Coolest
Coolest since:
1985
50th Warmest
Warmest since:
2014
Ties: 1936, 1952, 1994, 2005, 2010
Jun–Dec 1973
7-Month
50.3°F
(10.2°C)
49.7°F
(9.8°C)
0.6°F
(0.4°C)
80th Coolest
Coolest since:
1916
49th Warmest
Warmest since:
2021
Ties: 1926, 1960, 1986, 1994, 2019
May–Dec 1973
8-Month
50.5°F
(10.3°C)
49.8°F
(9.9°C)
0.7°F
(0.4°C)
90th Coolest
Coolest since:
1916
39th Warmest
Warmest since:
2021
Ties: 1925, 1989, 2008, 2019
Apr–Dec 1973
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, 1963, 1977, 1980, 1990, 1995, 1999
Mar–Dec 1973
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, 1963, 1995, 1999
Feb–Dec 1973
11-Month
46.7°F
(8.2°C)
46.1°F
(7.8°C)
0.6°F
(0.4°C)
86th Coolest
Coolest since:
1955
43rd Warmest
Warmest since:
2015
Ties: 1915, 1938, 1977, 1980, 1990, 2002
Jan–Dec 1973
12-Month
44.9°F
(7.2°C)
44.4°F
(6.9°C)
0.5°F
(0.3°C)
81st Coolest
Coolest since:
1916
48th Warmest
Warmest since:
2015
Ties: 1904, 1906, 1915, 1980, 1983, 2009, 2019
Jul 1972–Dec 1973
18-Month
45.7°F
(7.6°C)
45.8°F
(7.7°C)
-0.1°F
(-0.1°C)
50th Coolest
Coolest since:
1985
78th Warmest
Warmest since:
2015
Ties: 1904, 1921, 1931, 1936, 1942, 1951, 1983
Jan 1972–Dec 1973
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: 1906, 1946, 1969, 1970, 1979
Jan 1971–Dec 1973
36-Month
44.2°F
(6.8°C)
44.4°F
(6.9°C)
-0.2°F
(-0.1°C)
44th Coolest
Coolest since:
1913
83rd Warmest
Warmest since:
2016
Ties: 1901, 1945, 1964, 1976, 1977
Jan 1970–Dec 1973
48-Month
44.3°F
(6.8°C)
44.5°F
(6.9°C)
-0.2°F
(-0.1°C)
47th Coolest
Coolest since:
1913, 1914, 1919
79th Warmest
Warmest since:
2016, 2017
Ties: 1929, 1938, 1953, 1965, 1971, 1975
Jan 1969–Dec 1973
60-Month
44.3°F
(6.8°C)
44.5°F
(6.9°C)
-0.2°F
(-0.1°C)
47th Coolest
Coolest since:
1913
78th Warmest
Warmest since:
2018
Ties: 1954, 1976, 1978, 1979

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