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, January 1940

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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
January 1940
1-Month
27.8°F
(-2.3°C)
26.2°F
(-3.2°C)
1.6°F
(0.9°C)
69th Coolest
Coolest since:
1937, 1949
60th Warmest
Warmest since:
1953
Ties: 1996
Dec 1939–Jan 1940
2-Month
31.2°F
(-0.4°C)
27.1°F
(-2.7°C)
4.1°F
(2.3°C)
117th Coolest
Coolest since:
1949
11th Warmest
Warmest since:
1934
Ties: 2018
Nov 1939–Jan 1940
3-Month
33.2°F
(0.7°C)
29.6°F
(-1.3°C)
3.6°F
(2.0°C)
120th Coolest
Coolest since:
1949
8th Warmest
Warmest since:
1934
Oct 1939–Jan 1940
4-Month
36.5°F
(2.5°C)
33.7°F
(0.9°C)
2.8°F
(1.6°C)
120th Coolest
Coolest since:
1949
8th Warmest
Warmest since:
1934
Sep 1939–Jan 1940
5-Month
40.6°F
(4.8°C)
38.1°F
(3.4°C)
2.5°F
(1.4°C)
116th Coolest
Coolest since:
1949
12th Warmest
Warmest since:
2015
Aug 1939–Jan 1940
6-Month
44.7°F
(7.1°C)
42.3°F
(5.7°C)
2.4°F
(1.4°C)
121st Coolest
Coolest since:
1949
7th Warmest
Warmest since:
2015
Ties: 1959, 1967
Jul 1939–Jan 1940
7-Month
47.6°F
(8.7°C)
45.4°F
(7.4°C)
2.2°F
(1.3°C)
118th Coolest
Coolest since:
1949
10th Warmest
Warmest since:
2015
Ties: 1992, 2004, 2016
Jun 1939–Jan 1940
8-Month
48.5°F
(9.2°C)
46.8°F
(8.2°C)
1.7°F
(1.0°C)
112th Coolest
Coolest since:
1949
16th Warmest
Warmest since:
2015, 2022
Ties: 1941, 1968
May 1939–Jan 1940
9-Month
49.0°F
(9.4°C)
47.2°F
(8.4°C)
1.8°F
(1.0°C)
116th Coolest
Coolest since:
1917
12th Warmest
Warmest since:
2015
Ties: 1934, 1938, 2014
Apr 1939–Jan 1940
10-Month
48.6°F
(9.2°C)
46.7°F
(8.2°C)
1.9°F
(1.0°C)
118th Coolest
Coolest since:
1917, 1949
10th Warmest
Warmest since:
2015
Ties: 2005
Mar 1939–Jan 1940
11-Month
47.6°F
(8.7°C)
45.7°F
(7.6°C)
1.9°F
(1.1°C)
117th Coolest
Coolest since:
1949
11th Warmest
Warmest since:
2016
Ties: 1988, 2004
Feb 1939–Jan 1940
12-Month
45.8°F
(7.7°C)
44.5°F
(6.9°C)
1.3°F
(0.8°C)
106th Coolest
Coolest since:
1949
22nd Warmest
Warmest since:
2016
Ties: 1992, 2002, 2006
Aug 1938–Jan 1940
18-Month
45.0°F
(7.2°C)
43.7°F
(6.5°C)
1.3°F
(0.7°C)
104th Coolest
Coolest since:
1917
23rd Warmest
Warmest since:
2016
Ties: 1939, 2000
Feb 1938–Jan 1940
24-Month
45.5°F
(7.5°C)
44.4°F
(6.9°C)
1.1°F
(0.6°C)
99th Coolest
Coolest since:
1913, 1950, 1957
28th Warmest
Warmest since:
2016
Ties: 1968, 1990, 2002
Feb 1937–Jan 1940
36-Month
45.5°F
(7.5°C)
44.5°F
(6.9°C)
1.0°F
(0.6°C)
103rd Coolest
Coolest since:
1914
23rd Warmest
Warmest to Date
2017
Ties: 1995
Feb 1936–Jan 1940
48-Month
44.9°F
(7.2°C)
44.4°F
(6.9°C)
0.5°F
(0.3°C)
80th Coolest
Coolest since:
1915
45th Warmest
Warmest since:
2018
Ties: 1927, 1928, 1936, 1964
Feb 1935–Jan 1940
60-Month
44.7°F
(7.1°C)
44.4°F
(6.9°C)
0.3°F
(0.2°C)
73rd Coolest
Coolest since:
1917
51st Warmest
Warmest since:
2018, 2019
Ties: 1929, 1961, 1964, 1967

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