Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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 1921

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
January 1921
1-Month		27.9°F
(-2.3°C)		26.2°F
(-3.2°C)		1.7°F
(0.9°C)		72nd Coolest
Coolest since:
1937, 1949
58th Warmest
Warmest since:
1953
Ties: 1905, 1919
Dec 1920–Jan 1921
2-Month		28.8°F
(-1.8°C)		27.2°F
(-2.7°C)		1.6°F
(0.9°C)		84th Coolest
Coolest since:
1949
45th Warmest
Warmest since:
1934
Ties: 1948, 1961
Nov 1920–Jan 1921
3-Month		30.4°F
(-0.9°C)		29.6°F
(-1.3°C)		0.8°F
(0.4°C)		71st Coolest
Coolest since:
1949
58th Warmest
Warmest since:
1934
Ties: 1939, 1941, 1971
Oct 1920–Jan 1921
4-Month		33.6°F
(0.9°C)		33.7°F
(0.9°C)		-0.1°F
(0.0°C)		49th Coolest
Coolest since:
1949
80th Warmest
Warmest since:
1934
Sep 1920–Jan 1921
5-Month		37.9°F
(3.3°C)		38.1°F
(3.4°C)		-0.2°F
(-0.1°C)		49th Coolest
Coolest since:
1949
80th Warmest
Warmest since:
2015
Ties: 1904, 2017
Aug 1920–Jan 1921
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
76th Warmest
Warmest since:
2015
Ties: 1977, 1991
Jul 1920–Jan 1921
7-Month		45.5°F
(7.5°C)		45.4°F
(7.4°C)		0.1°F
(0.1°C)		55th Coolest
Coolest since:
1949
74th Warmest
Warmest since:
2015
Ties: 1927, 2017
Jun 1920–Jan 1921
8-Month		46.6°F
(8.1°C)		46.8°F
(8.2°C)		-0.2°F
(-0.1°C)		44th Coolest
Coolest since:
1949
85th Warmest
Warmest since:
2015, 2022
Ties: 1897, 1942, 1993
May 1920–Jan 1921
9-Month		46.7°F
(8.2°C)		47.2°F
(8.4°C)		-0.5°F
(-0.2°C)		39th Coolest
Coolest since:
1917
90th Warmest
Warmest since:
2015
Ties: 1936, 1950
Apr 1920–Jan 1921
10-Month		45.9°F
(7.7°C)		46.7°F
(8.2°C)		-0.8°F
(-0.5°C)		24th Coolest
Coolest since:
1917, 1949
105th Warmest
Warmest since:
2015
Ties: 1896, 1904, 1928, 1984
Mar 1920–Jan 1921
11-Month		44.8°F
(7.1°C)		45.7°F
(7.6°C)		-0.9°F
(-0.5°C)		19th Coolest
Coolest since:
1949
110th Warmest
Warmest since:
2016
Ties: 1896, 1904
Feb 1920–Jan 1921
12-Month		43.6°F
(6.4°C)		44.4°F
(6.9°C)		-0.8°F
(-0.5°C)		23rd Coolest
Coolest since:
1949
106th Warmest
Warmest since:
2016
Ties: 1909, 1922, 1933, 1976
Aug 1919–Jan 1921
18-Month		42.4°F
(5.8°C)		43.7°F
(6.5°C)		-1.3°F
(-0.7°C)		9th Coolest
Coolest since:
1917
119th Warmest
Warmest since:
2016
Ties: 1912, 1918, 1923
Feb 1919–Jan 1921
24-Month		43.4°F
(6.3°C)		44.4°F
(6.9°C)		-1.0°F
(-0.6°C)		10th Coolest
Coolest since:
1913, 1950, 1957
118th Warmest
Warmest since:
2016
Ties: 1904, 1910, 1924
Feb 1918–Jan 1921
36-Month		43.8°F
(6.6°C)		44.4°F
(6.9°C)		-0.6°F
(-0.3°C)		23rd Coolest
Coolest since:
1914
104th Warmest
Warmest since:
2017
Ties: 1899, 1910, 1932, 1956, 1985, 1987
Feb 1917–Jan 1921
48-Month		43.9°F
(6.6°C)		44.4°F
(6.9°C)		-0.5°F
(-0.3°C)		26th Coolest
Coolest since:
1915
100th Warmest
Warmest since:
2018
Ties: 1904, 1906, 1910, 1987
Feb 1916–Jan 1921
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
119th Warmest
Warmest since:
2018, 2019
Ties: 1900, 1915, 1918, 1953

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