Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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 1907

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Warmest/Coolest
Since
Record
December 1907
1-Month
30.1°F
(-1.1°C)
28.1°F
(-2.2°C)
2.0°F
(1.1°C)
91st Coolest
Coolest since:
1990
38th Warmest
Warmest since:
1917
Ties: 1938, 1942
Nov–Dec 1907
2-Month
33.2°F
(0.7°C)
31.4°F
(-0.3°C)
1.8°F
(1.0°C)
96th Coolest
Coolest since:
1985
33rd Warmest
Warmest since:
1917
Ties: 2020
Oct–Dec 1907
3-Month
38.7°F
(3.7°C)
36.2°F
(2.3°C)
2.5°F
(1.4°C)
116th Coolest
Coolest since:
1985
13th Warmest
Warmest since:
1917
Sep–Dec 1907
4-Month
42.7°F
(5.9°C)
41.1°F
(5.1°C)
1.6°F
(0.8°C)
105th Coolest
Coolest since:
1985
24th Warmest
Warmest since:
1917
Ties: 1934, 2015
Aug–Dec 1907
5-Month
45.9°F
(7.7°C)
45.5°F
(7.5°C)
0.4°F
(0.2°C)
74th Coolest
Coolest since:
1985
55th Warmest
Warmest since:
1917, 2014
Ties: 1923, 1965, 1976, 1977, 2019
Jul–Dec 1907
6-Month
48.8°F
(9.3°C)
48.6°F
(9.2°C)
0.2°F
(0.1°C)
58th Coolest
Coolest since:
1985
71st Warmest
Warmest since:
2014
Ties: 1975, 1977
Jun–Dec 1907
7-Month
49.5°F
(9.7°C)
49.8°F
(9.9°C)
-0.3°F
(-0.2°C)
43rd Coolest
Coolest since:
1916
86th Warmest
Warmest since:
2021
Ties: 1896, 1900, 1945, 1970
May–Dec 1907
8-Month
49.6°F
(9.8°C)
49.8°F
(9.9°C)
-0.2°F
(-0.1°C)
44th Coolest
Coolest since:
1916
85th Warmest
Warmest since:
2021
Ties: 1956
Apr–Dec 1907
9-Month
48.7°F
(9.3°C)
49.0°F
(9.4°C)
-0.3°F
(-0.1°C)
44th Coolest
Coolest since:
1916
85th Warmest
Warmest since:
2021
Ties: 1928, 1929, 1946
Mar–Dec 1907
10-Month
47.4°F
(8.6°C)
47.7°F
(8.7°C)
-0.3°F
(-0.1°C)
44th Coolest
Coolest since:
1916
85th Warmest
Warmest since:
2015
Ties: 1917, 1944, 1965
Feb–Dec 1907
11-Month
46.2°F
(7.9°C)
46.1°F
(7.8°C)
0.1°F
(0.1°C)
58th Coolest
Coolest since:
1955
71st Warmest
Warmest since:
2015
Ties: 1918, 1930, 1931, 1936, 1968, 1969, 1989, 2008, 2019
Jan–Dec 1907
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, 1905, 1908, 1923, 1944, 1972
Jul 1906–Dec 1907
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: 1905, 1943
Jan 1906–Dec 1907
24-Month
44.5°F
(6.9°C)
44.4°F
(6.9°C)
0.1°F
(0.0°C)
65th Coolest
Coolest since:
1917
63rd Warmest
Warmest since:
2015
Ties: 1905, 1938, 1969, 1977, 1978
Jan 1905–Dec 1907
36-Month
44.3°F
(6.8°C)
44.4°F
(6.9°C)
-0.1°F
(-0.1°C)
50th Coolest
Coolest since:
1913
77th Warmest
Warmest since:
2016
Ties: 1908, 1946, 1965, 1966
Jan 1904–Dec 1907
48-Month
44.5°F
(6.9°C)
44.4°F
(6.9°C)
0.1°F
(0.0°C)
59th Coolest
Coolest since:
1913, 1914, 1919
67th Warmest
Warmest to Date
2016, 2017
Ties: 1944, 1947, 1964, 1966, 1979, 1987
Jan 1903–Dec 1907
60-Month
44.2°F
(6.8°C)
44.4°F
(6.9°C)
-0.2°F
(-0.1°C)
39th Coolest
Coolest since:
1913
86th Warmest
Warmest since:
2018
Ties: 1904, 1946, 1948, 1958, 1959, 1972, 1975

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