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 1900

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
January 1900
1-Month
31.7°F
(-0.2°C)
26.2°F
(-3.2°C)
5.5°F
(3.0°C)
116th Coolest
Coolest since:
1937, 1949
13th Warmest
Warmest to Date
1953
Dec 1899–Jan 1900
2-Month
29.8°F
(-1.2°C)
27.2°F
(-2.7°C)
2.6°F
(1.5°C)
99th Coolest
Coolest since:
1949
29th Warmest
Warmest to Date
1934
Ties: 1951, 1998, 2006
Nov 1899–Jan 1900
3-Month
33.0°F
(0.6°C)
29.6°F
(-1.3°C)
3.4°F
(1.9°C)
117th Coolest
Coolest since:
1949
11th Warmest
Warmest to Date
1934
Ties: 1990
Oct 1899–Jan 1900
4-Month
35.4°F
(1.9°C)
33.7°F
(0.9°C)
1.7°F
(1.0°C)
100th Coolest
Coolest since:
1949
28th Warmest
Warmest to Date
1934
Ties: 1998
Sep 1899–Jan 1900
5-Month
39.7°F
(4.3°C)
38.1°F
(3.4°C)
1.6°F
(0.9°C)
100th Coolest
Coolest since:
1949
28th Warmest
Warmest to Date
2015
Ties: 1908, 1939, 1951, 2013, 2019
Aug 1899–Jan 1900
6-Month
42.6°F
(5.9°C)
42.2°F
(5.7°C)
0.4°F
(0.2°C)
67th Coolest
Coolest since:
1949
61st Warmest
Warmest to Date
2015
Ties: 1914, 1943, 1976, 1997
Jul 1899–Jan 1900
7-Month
45.7°F
(7.6°C)
45.4°F
(7.4°C)
0.3°F
(0.2°C)
63rd Coolest
Coolest since:
1949
65th Warmest
Warmest to Date
2015
Ties: 1974
Jun 1899–Jan 1900
8-Month
46.8°F
(8.2°C)
46.8°F
(8.2°C)
0.0°F
(0.0°C)
52nd Coolest
Coolest since:
1949
76th Warmest
Warmest to Date
2022
Ties: 1902, 1908, 1911, 1944, 1946
May 1899–Jan 1900
9-Month
46.6°F
(8.1°C)
47.1°F
(8.4°C)
-0.5°F
(-0.3°C)
34th Coolest
Coolest since:
1917
94th Warmest
Warmest since:
2015
Ties: 1904, 1925, 1933, 1937
Apr 1899–Jan 1900
10-Month
46.0°F
(7.8°C)
46.7°F
(8.2°C)
-0.7°F
(-0.4°C)
29th Coolest
Coolest since:
1917, 1949
99th Warmest
Warmest since:
2015
Ties: 1906, 1960
Mar 1899–Jan 1900
11-Month
44.9°F
(7.2°C)
45.8°F
(7.7°C)
-0.9°F
(-0.5°C)
22nd Coolest
Coolest since:
1949
106th Warmest
Warmest since:
2016
Ties: 1899, 1909, 1928, 1936, 1955
Feb 1899–Jan 1900
12-Month
43.2°F
(6.2°C)
44.4°F
(6.9°C)
-1.2°F
(-0.7°C)
13th Coolest
Coolest since:
1949
115th Warmest
Warmest since:
2016
Ties: 1920, 1965
Aug 1898–Jan 1900
18-Month
42.6°F
(5.9°C)
43.7°F
(6.5°C)
-1.1°F
(-0.6°C)
14th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2016
Ties: 1933, 1957, 1985
Feb 1898–Jan 1900
24-Month
43.6°F
(6.4°C)
44.4°F
(6.9°C)
-0.8°F
(-0.5°C)
17th Coolest
Coolest since:
1913, 1950, 1957
110th Warmest
Warmest since:
2016
Ties: 1897, 1922, 1931
Feb 1897–Jan 1900
36-Month
43.6°F
(6.4°C)
44.4°F
(6.9°C)
-0.8°F
(-0.5°C)
15th Coolest
Coolest since:
1914
111th Warmest
Warmest since:
2017
Ties: 1898, 1904, 1919, 1931, 1950
Feb 1896–Jan 1900
48-Month
43.7°F
(6.5°C)
44.5°F
(6.9°C)
-0.8°F
(-0.4°C)
15th Coolest
Coolest since:
1915
110th Warmest
Warmest since:
2018
Ties: 1899, 1925, 1931, 1950
Feb 1895–Jan 1900
60-Month
43.6°F
(6.4°C)
44.4°F
(6.9°C)
-0.8°F
(-0.5°C)
6th Coolest
Coolest since:
1917
118th Warmest
Warmest to Date
2018, 2019
Ties: 1915, 1918, 1921, 1953

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