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 1918

View Period (Months):
Download: csv json xml
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1918
1-Month
27.6°F
(-2.4°C)
28.1°F
(-2.2°C)
-0.5°F
(-0.2°C)
47th Coolest
Coolest since:
1990
82nd Warmest
Warmest since:
1917
Ties: 1945, 1954
Nov–Dec 1918
2-Month
30.6°F
(-0.8°C)
31.3°F
(-0.4°C)
-0.7°F
(-0.4°C)
39th Coolest
Coolest since:
1985
90th Warmest
Warmest since:
1917
Ties: 1915, 1945
Oct–Dec 1918
3-Month
36.3°F
(2.4°C)
36.2°F
(2.3°C)
0.1°F
(0.1°C)
58th Coolest
Coolest since:
1985
71st Warmest
Warmest since:
1917
Ties: 1996, 1998, 2005
Sep–Dec 1918
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, 1944, 1949, 1965, 1973, 2018
Aug–Dec 1918
5-Month
45.5°F
(7.5°C)
45.5°F
(7.5°C)
0.0°F
(0.0°C)
56th Coolest
Coolest since:
1985
73rd Warmest
Warmest since:
1917, 2014
Ties: 1925, 1941, 1996, 2007
Jul–Dec 1918
6-Month
48.6°F
(9.2°C)
48.7°F
(9.3°C)
-0.1°F
(-0.1°C)
52nd Coolest
Coolest since:
1985
77th Warmest
Warmest since:
2014
Ties: 1910, 1926, 1969
Jun–Dec 1918
7-Month
50.5°F
(10.3°C)
49.8°F
(9.9°C)
0.7°F
(0.4°C)
89th Coolest
Coolest since:
1916
40th Warmest
Warmest since:
2021
Ties: 1906, 1962, 1977, 1981, 1997, 2008
May–Dec 1918
8-Month
50.1°F
(10.1°C)
49.8°F
(9.9°C)
0.3°F
(0.2°C)
69th Coolest
Coolest since:
1916
60th Warmest
Warmest since:
2021
Ties: 1901, 1957, 1961
Apr–Dec 1918
9-Month
49.2°F
(9.6°C)
49.0°F
(9.4°C)
0.2°F
(0.2°C)
58th Coolest
Coolest since:
1916
71st Warmest
Warmest since:
2021
Ties: 1943, 1960, 1961, 2008
Mar–Dec 1918
10-Month
48.0°F
(8.9°C)
47.7°F
(8.7°C)
0.3°F
(0.2°C)
75th Coolest
Coolest since:
1916
54th Warmest
Warmest since:
2015
Ties: 1906, 1915, 1953, 1957, 1962, 1969, 1977, 1980, 1991
Feb–Dec 1918
11-Month
46.2°F
(7.9°C)
46.2°F
(7.9°C)
0.0°F
(0.0°C)
58th Coolest
Coolest since:
1955
71st Warmest
Warmest since:
2015
Ties: 1907, 1930, 1931, 1936, 1968, 1969, 1989, 2008, 2019
Jan–Dec 1918
12-Month
44.8°F
(7.1°C)
44.4°F
(6.9°C)
0.4°F
(0.2°C)
73rd Coolest
Coolest since:
1916
56th Warmest
Warmest since:
2015
Ties: 1931, 1977, 1996
Jul 1917–Dec 1918
18-Month
47.0°F
(8.3°C)
45.9°F
(7.7°C)
1.1°F
(0.6°C)
102nd Coolest
Coolest since:
1985
26th Warmest
Warmest to Date
2015
Ties: 1926, 1938, 1981, 2000, 2017
Jan 1917–Dec 1918
24-Month
44.2°F
(6.8°C)
44.5°F
(6.9°C)
-0.3°F
(-0.1°C)
49th Coolest
Coolest since:
1917
79th Warmest
Warmest since:
2015
Ties: 1936, 1937, 1945, 1975
Jan 1916–Dec 1918
36-Month
43.3°F
(6.3°C)
44.4°F
(6.9°C)
-1.1°F
(-0.6°C)
2nd Coolest
Coolest since:
1913
125th Warmest
Warmest since:
2016
Ties: 1917, 1950, 1957
Jan 1915–Dec 1918
48-Month
43.7°F
(6.5°C)
44.4°F
(6.9°C)
-0.7°F
(-0.4°C)
18th Coolest
Coolest since:
1913, 1914, 1919
108th Warmest
Warmest since:
2016, 2017
Ties: 1952
Jan 1914–Dec 1918
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, 1905, 1921, 1950, 1985, 1986

Citing This Page