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 1991

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  • Record Coolest
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  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
January 1991
1-Month
26.2°F
(-3.2°C)
26.2°F
(-3.2°C)
0.0°F
(0.0°C)
47th Coolest
Coolest since:
1937, 1949
82nd Warmest
Warmest since:
1953
Ties: 1933, 1987
Dec 1990–Jan 1991
2-Month
23.2°F
(-4.9°C)
27.2°F
(-2.7°C)
-4.0°F
(-2.2°C)
14th Coolest
Coolest since:
1949
114th Warmest
Warmest since:
1934
Nov 1990–Jan 1991
3-Month
27.6°F
(-2.4°C)
29.7°F
(-1.3°C)
-2.1°F
(-1.1°C)
20th Coolest
Coolest since:
1949
108th Warmest
Warmest since:
1934
Oct 1990–Jan 1991
4-Month
31.7°F
(-0.2°C)
33.7°F
(0.9°C)
-2.0°F
(-1.1°C)
18th Coolest
Coolest since:
1949
110th Warmest
Warmest since:
1934
Sep 1990–Jan 1991
5-Month
37.7°F
(3.2°C)
38.1°F
(3.4°C)
-0.4°F
(-0.2°C)
44th Coolest
Coolest since:
1949
84th Warmest
Warmest since:
2015
Ties: 1924
Aug 1990–Jan 1991
6-Month
42.2°F
(5.7°C)
42.3°F
(5.7°C)
-0.1°F
(0.0°C)
53rd Coolest
Coolest since:
1949
75th Warmest
Warmest since:
2015
Ties: 1921, 1977
Jul 1990–Jan 1991
7-Month
45.6°F
(7.6°C)
45.4°F
(7.4°C)
0.2°F
(0.2°C)
58th Coolest
Coolest since:
1949
70th Warmest
Warmest since:
2015
Ties: 1919, 1923, 1946, 1963
Jun 1990–Jan 1991
8-Month
47.1°F
(8.4°C)
46.8°F
(8.2°C)
0.3°F
(0.2°C)
67th Coolest
Coolest since:
1949
61st Warmest
Warmest since:
2015, 2022
Ties: 1945, 1974, 1976
May 1990–Jan 1991
9-Month
47.2°F
(8.4°C)
47.2°F
(8.4°C)
0.0°F
(0.0°C)
54th Coolest
Coolest since:
1917
74th Warmest
Warmest since:
2015
Ties: 1901, 1908, 1946, 1976, 1994
Apr 1990–Jan 1991
10-Month
47.2°F
(8.4°C)
46.7°F
(8.2°C)
0.5°F
(0.2°C)
75th Coolest
Coolest since:
1917, 1949
53rd Warmest
Warmest since:
2015
Ties: 2001, 2009
Mar 1990–Jan 1991
11-Month
46.4°F
(8.0°C)
45.7°F
(7.6°C)
0.7°F
(0.4°C)
85th Coolest
Coolest since:
1949
43rd Warmest
Warmest since:
2016
Ties: 1905, 1968, 1975, 1978, 1982, 2000
Feb 1990–Jan 1991
12-Month
45.0°F
(7.2°C)
44.5°F
(6.9°C)
0.5°F
(0.3°C)
79th Coolest
Coolest since:
1949
49th Warmest
Warmest since:
2016
Ties: 1990
Aug 1989–Jan 1991
18-Month
44.6°F
(7.0°C)
43.8°F
(6.6°C)
0.8°F
(0.4°C)
88th Coolest
Coolest since:
1917
39th Warmest
Warmest since:
2016
Ties: 1992, 1998, 2020
Feb 1989–Jan 1991
24-Month
45.0°F
(7.2°C)
44.5°F
(6.9°C)
0.5°F
(0.3°C)
81st Coolest
Coolest since:
1913, 1950, 1957
46th Warmest
Warmest since:
2016
Ties: 1926, 1964, 1975, 1995, 2010
Feb 1988–Jan 1991
36-Month
45.3°F
(7.4°C)
44.4°F
(6.9°C)
0.9°F
(0.5°C)
95th Coolest
Coolest since:
1914
31st Warmest
Warmest since:
2017
Ties: 1927, 1935, 1936, 1943, 1998, 2010
Feb 1987–Jan 1991
48-Month
45.6°F
(7.6°C)
44.4°F
(6.9°C)
1.2°F
(0.7°C)
108th Coolest
Coolest since:
1915
17th Warmest
Warmest since:
2018
Ties: 1999, 2001, 2002
Feb 1986–Jan 1991
60-Month
45.6°F
(7.6°C)
44.4°F
(6.9°C)
1.2°F
(0.7°C)
110th Coolest
Coolest since:
1917
14th Warmest
Warmest since:
2018, 2019
Ties: 1942, 1992, 1993, 1999, 2002, 2003, 2004

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