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 1939

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
January 1939
1-Month
30.3°F
(-0.9°C)
26.2°F
(-3.2°C)
4.1°F
(2.3°C)
103rd Coolest
Coolest since:
1937, 1949
26th Warmest
Warmest since:
1953
Dec 1938–Jan 1939
2-Month
30.2°F
(-1.0°C)
27.1°F
(-2.7°C)
3.1°F
(1.7°C)
107th Coolest
Coolest since:
1949
21st Warmest
Warmest since:
1934
Ties: 1941, 1983, 2019
Nov 1938–Jan 1939
3-Month
30.4°F
(-0.9°C)
29.6°F
(-1.3°C)
0.8°F
(0.4°C)
70th Coolest
Coolest since:
1949
58th Warmest
Warmest since:
1934
Ties: 1921, 1941, 1971
Oct 1938–Jan 1939
4-Month
34.5°F
(1.4°C)
33.7°F
(0.9°C)
0.8°F
(0.5°C)
75th Coolest
Coolest since:
1949
53rd Warmest
Warmest since:
1934
Ties: 1958, 2014
Sep 1938–Jan 1939
5-Month
39.7°F
(4.3°C)
38.0°F
(3.3°C)
1.7°F
(1.0°C)
100th Coolest
Coolest since:
1949
28th Warmest
Warmest since:
2015
Ties: 1900, 1908, 1951, 2013, 2019
Aug 1938–Jan 1939
6-Month
43.4°F
(6.3°C)
42.2°F
(5.7°C)
1.2°F
(0.6°C)
86th Coolest
Coolest since:
1949
42nd Warmest
Warmest since:
2015
Ties: 1978, 2011
Jul 1938–Jan 1939
7-Month
46.6°F
(8.1°C)
45.4°F
(7.4°C)
1.2°F
(0.7°C)
93rd Coolest
Coolest since:
1949
35th Warmest
Warmest since:
2015
Ties: 1964, 2010
Jun 1938–Jan 1939
8-Month
48.1°F
(8.9°C)
46.8°F
(8.2°C)
1.3°F
(0.7°C)
101st Coolest
Coolest since:
1949
27th Warmest
Warmest since:
2015, 2022
Ties: 1935, 1975, 2007
May 1938–Jan 1939
9-Month
48.3°F
(9.1°C)
47.1°F
(8.4°C)
1.2°F
(0.7°C)
97th Coolest
Coolest since:
1917
31st Warmest
Warmest since:
2015
Ties: 1992, 2010
Apr 1938–Jan 1939
10-Month
47.8°F
(8.8°C)
46.7°F
(8.2°C)
1.1°F
(0.6°C)
98th Coolest
Coolest since:
1917, 1949
30th Warmest
Warmest since:
2015
Ties: 1905, 1981
Mar 1938–Jan 1939
11-Month
46.7°F
(8.2°C)
45.8°F
(7.7°C)
0.9°F
(0.5°C)
93rd Coolest
Coolest since:
1949
35th Warmest
Warmest since:
2016
Ties: 1981
Feb 1938–Jan 1939
12-Month
45.3°F
(7.4°C)
44.4°F
(6.9°C)
0.9°F
(0.5°C)
91st Coolest
Coolest since:
1949
37th Warmest
Warmest since:
2016
Ties: 1938, 1968, 1982, 2001
Aug 1937–Jan 1939
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: 1940, 2000
Feb 1937–Jan 1939
24-Month
45.3°F
(7.4°C)
44.4°F
(6.9°C)
0.9°F
(0.5°C)
91st Coolest
Coolest since:
1913, 1950, 1957
36th Warmest
Warmest since:
2016
Ties: 1960, 1994
Feb 1936–Jan 1939
36-Month
44.6°F
(7.0°C)
44.4°F
(6.9°C)
0.2°F
(0.1°C)
70th Coolest
Coolest since:
1914
56th Warmest
Warmest since:
2017
Ties: 1948, 1963, 1976, 1980, 1981
Feb 1935–Jan 1939
48-Month
44.4°F
(6.9°C)
44.4°F
(6.9°C)
0.0°F
(0.0°C)
50th Coolest
Coolest since:
1915
75th Warmest
Warmest since:
2018
Ties: 1934, 1955, 1963, 1966, 1975, 1976, 1977, 1980, 1988
Feb 1934–Jan 1939
60-Month
45.0°F
(7.2°C)
44.4°F
(6.9°C)
0.6°F
(0.3°C)
88th Coolest
Coolest since:
1917
36th Warmest
Warmest since:
2018, 2019
Ties: 1935, 1962, 2012, 2013

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