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 1905

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1905
1-Month
26.2°F
(-3.2°C)
28.1°F
(-2.2°C)
-1.9°F
(-1.0°C)
28th Coolest
Coolest since:
1990
101st Warmest
Warmest since:
1917
Nov–Dec 1905
2-Month
29.9°F
(-1.2°C)
31.3°F
(-0.4°C)
-1.4°F
(-0.8°C)
30th Coolest
Coolest since:
1985
99th Warmest
Warmest since:
1917
Ties: 1895, 1932, 1993
Oct–Dec 1905
3-Month
33.6°F
(0.9°C)
36.2°F
(2.3°C)
-2.6°F
(-1.4°C)
11th Coolest
Coolest since:
1985
118th Warmest
Warmest since:
1917
Sep–Dec 1905
4-Month
39.2°F
(4.0°C)
41.0°F
(5.0°C)
-1.8°F
(-1.0°C)
16th Coolest
Coolest since:
1985
113th Warmest
Warmest since:
1917
Ties: 1914, 1970
Aug–Dec 1905
5-Month
44.1°F
(6.7°C)
45.5°F
(7.5°C)
-1.4°F
(-0.8°C)
14th Coolest
Coolest since:
1985
115th Warmest
Warmest since:
1917, 2014
Ties: 1914, 1930, 1931
Jul–Dec 1905
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: 1930, 1932, 1964, 1971
Jun–Dec 1905
7-Month
48.7°F
(9.3°C)
49.8°F
(9.9°C)
-1.1°F
(-0.6°C)
19th Coolest
Coolest since:
1916
110th Warmest
Warmest since:
2021
Ties: 1930, 1955, 1964
May–Dec 1905
8-Month
48.6°F
(9.2°C)
49.8°F
(9.9°C)
-1.2°F
(-0.7°C)
13th Coolest
Coolest since:
1916
116th Warmest
Warmest since:
2021
Ties: 1902, 1930, 1964
Apr–Dec 1905
9-Month
48.1°F
(8.9°C)
49.0°F
(9.4°C)
-0.9°F
(-0.5°C)
23rd Coolest
Coolest since:
1916
106th Warmest
Warmest since:
2021
Ties: 1924, 1972, 1993
Mar–Dec 1905
10-Month
47.3°F
(8.5°C)
47.7°F
(8.7°C)
-0.4°F
(-0.2°C)
40th Coolest
Coolest since:
1916
89th Warmest
Warmest since:
2015
Ties: 1921, 1930, 1968
Feb–Dec 1905
11-Month
45.4°F
(7.4°C)
46.1°F
(7.8°C)
-0.7°F
(-0.4°C)
30th Coolest
Coolest since:
1955
99th Warmest
Warmest since:
2015
Ties: 1898, 1908
Jan–Dec 1905
12-Month
44.0°F
(6.7°C)
44.5°F
(6.9°C)
-0.5°F
(-0.2°C)
36th Coolest
Coolest since:
1916
93rd Warmest
Warmest since:
2015
Ties: 1896, 1897, 1907, 1908, 1923, 1942, 1944, 1972
Jul 1904–Dec 1905
18-Month
46.0°F
(7.8°C)
45.8°F
(7.7°C)
0.2°F
(0.1°C)
70th Coolest
Coolest since:
1985
58th Warmest
Warmest since:
2015
Ties: 1907, 1943
Jan 1904–Dec 1905
24-Month
44.5°F
(6.9°C)
44.5°F
(6.9°C)
0.0°F
(0.0°C)
61st Coolest
Coolest since:
1917
67th Warmest
Warmest since:
2015
Ties: 1907, 1938, 1977, 1978
Jan 1903–Dec 1905
36-Month
44.0°F
(6.7°C)
44.5°F
(6.9°C)
-0.5°F
(-0.2°C)
35th Coolest
Coolest since:
1913
92nd Warmest
Warmest since:
2016
Ties: 1972
Jan 1902–Dec 1905
48-Month
43.8°F
(6.6°C)
44.4°F
(6.9°C)
-0.6°F
(-0.3°C)
20th Coolest
Coolest since:
1913, 1914, 1919
106th Warmest
Warmest since:
2016, 2017
Ties: 1915, 1920, 1950
Jan 1901–Dec 1905
60-Month
43.9°F
(6.6°C)
44.4°F
(6.9°C)
-0.5°F
(-0.3°C)
20th Coolest
Coolest since:
1913
105th Warmest
Warmest since:
2018
Ties: 1900, 1902, 1918, 1921, 1950, 1985, 1986

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