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 1971

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1971
1-Month
25.3°F
(-3.7°C)
28.1°F
(-2.2°C)
-2.8°F
(-1.5°C)
24th Coolest
Coolest since:
1990
105th Warmest
Warmest since:
1917
Nov–Dec 1971
2-Month
29.8°F
(-1.2°C)
31.3°F
(-0.4°C)
-1.5°F
(-0.8°C)
28th Coolest
Coolest since:
1985
101st Warmest
Warmest since:
1917
Ties: 1944
Oct–Dec 1971
3-Month
34.2°F
(1.2°C)
36.2°F
(2.3°C)
-2.0°F
(-1.1°C)
18th Coolest
Coolest since:
1985
111th Warmest
Warmest since:
1917
Sep–Dec 1971
4-Month
38.6°F
(3.7°C)
41.1°F
(5.1°C)
-2.5°F
(-1.4°C)
9th Coolest
Coolest since:
1985
120th Warmest
Warmest since:
1917
Ties: 1948
Aug–Dec 1971
5-Month
44.3°F
(6.8°C)
45.5°F
(7.5°C)
-1.2°F
(-0.7°C)
19th Coolest
Coolest since:
1985
110th Warmest
Warmest since:
1917, 2014
Ties: 1909, 1964, 1968
Jul–Dec 1971
6-Month
47.6°F
(8.7°C)
48.6°F
(9.2°C)
-1.0°F
(-0.5°C)
22nd Coolest
Coolest since:
1985
107th Warmest
Warmest since:
2014
Ties: 1905, 1930, 1932, 1964
Jun–Dec 1971
7-Month
48.6°F
(9.2°C)
49.8°F
(9.9°C)
-1.2°F
(-0.7°C)
14th Coolest
Coolest since:
1916
115th Warmest
Warmest since:
2021
Ties: 1898, 1914, 1951, 1983
May–Dec 1971
8-Month
48.8°F
(9.3°C)
49.8°F
(9.9°C)
-1.0°F
(-0.6°C)
19th Coolest
Coolest since:
1916
110th Warmest
Warmest since:
2021
Ties: 1924
Apr–Dec 1971
9-Month
47.9°F
(8.8°C)
49.0°F
(9.4°C)
-1.1°F
(-0.6°C)
17th Coolest
Coolest since:
1916
112th Warmest
Warmest since:
2021
Ties: 1903, 1920
Mar–Dec 1971
10-Month
46.4°F
(8.0°C)
47.7°F
(8.7°C)
-1.3°F
(-0.7°C)
14th Coolest
Coolest since:
1916
115th Warmest
Warmest since:
2015
Ties: 1896
Feb–Dec 1971
11-Month
45.0°F
(7.2°C)
46.1°F
(7.8°C)
-1.1°F
(-0.6°C)
16th Coolest
Coolest since:
1955
113th Warmest
Warmest since:
2015
Ties: 1909, 1929, 1982
Jan–Dec 1971
12-Month
43.7°F
(6.5°C)
44.4°F
(6.9°C)
-0.7°F
(-0.4°C)
28th Coolest
Coolest since:
1916
101st Warmest
Warmest since:
2015
Ties: 1927, 1935, 1950
Jul 1970–Dec 1971
18-Month
45.1°F
(7.3°C)
45.9°F
(7.7°C)
-0.8°F
(-0.4°C)
22nd Coolest
Coolest since:
1985
106th Warmest
Warmest since:
2015
Ties: 1919
Jan 1970–Dec 1971
24-Month
44.1°F
(6.7°C)
44.5°F
(6.9°C)
-0.4°F
(-0.2°C)
38th Coolest
Coolest since:
1917
90th Warmest
Warmest since:
2015
Ties: 1900, 1919, 1928, 1931, 1932, 1943, 1944, 1964, 1983, 1984
Jan 1969–Dec 1971
36-Month
44.1°F
(6.7°C)
44.4°F
(6.9°C)
-0.3°F
(-0.2°C)
37th Coolest
Coolest since:
1913
90th Warmest
Warmest since:
2016
Ties: 1915, 1933, 1937, 1944, 1948, 1955
Jan 1968–Dec 1971
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, 1973, 1975
Jan 1967–Dec 1971
60-Month
44.6°F
(7.0°C)
44.5°F
(6.9°C)
0.1°F
(0.1°C)
67th Coolest
Coolest since:
1913
58th Warmest
Warmest since:
2018
Ties: 1929, 1960, 1980, 1982

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