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.

California River Basin

Average Temperature Rankings, January 1920

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
January 1920
1-Month		44.4°F
(6.9°C)		42.3°F
(5.7°C)		2.1°F
(1.2°C)		90th Coolest
Coolest since:
1937
40th Warmest
Warmest since:
2014
Ties: 1914, 1956, 1976
Dec 1919–Jan 1920
2-Month		43.2°F
(6.2°C)		42.7°F
(5.9°C)		0.5°F
(0.3°C)		62nd Coolest
Coolest since:
1949
67th Warmest
Warmest since:
2018
Ties: 1923, 1974
Nov 1919–Jan 1920
3-Month		44.5°F
(6.9°C)		45.0°F
(7.2°C)		-0.5°F
(-0.3°C)		40th Coolest
Coolest since:
1949
89th Warmest
Warmest since:
2018
Ties: 1948, 1950, 1983
Oct 1919–Jan 1920
4-Month		47.1°F
(8.4°C)		48.6°F
(9.2°C)		-1.5°F
(-0.8°C)		16th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2015
Ties: 1995
Sep 1919–Jan 1920
5-Month		51.0°F
(10.6°C)		52.6°F
(11.4°C)		-1.6°F
(-0.8°C)		13th Coolest
Coolest since:
1917
116th Warmest
Warmest since:
2015
Aug 1919–Jan 1920
6-Month		54.9°F
(12.7°C)		56.1°F
(13.4°C)		-1.2°F
(-0.7°C)		16th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2021
Jul 1919–Jan 1920
7-Month		57.8°F
(14.3°C)		58.8°F
(14.9°C)		-1.0°F
(-0.6°C)		17th Coolest
Coolest since:
1917
112th Warmest
Warmest since:
2015, 2018
Ties: 1915, 1919, 1929
Jun 1919–Jan 1920
8-Month		59.1°F
(15.1°C)		60.0°F
(15.6°C)		-0.9°F
(-0.5°C)		21st Coolest
Coolest since:
1917
108th Warmest
Warmest since:
2018
Ties: 1901, 1925, 1929
May 1919–Jan 1920
9-Month		59.4°F
(15.2°C)		60.0°F
(15.6°C)		-0.6°F
(-0.4°C)		27th Coolest
Coolest since:
1917
102nd Warmest
Warmest since:
2015
Ties: 1896, 1901, 1957
Apr 1919–Jan 1920
10-Month		59.0°F
(15.0°C)		59.4°F
(15.2°C)		-0.4°F
(-0.2°C)		39th Coolest
Coolest since:
1917
90th Warmest
Warmest since:
2015
Ties: 1919
Mar 1919–Jan 1920
11-Month		57.8°F
(14.3°C)		58.5°F
(14.7°C)		-0.7°F
(-0.4°C)		20th Coolest
Coolest since:
1949
109th Warmest
Warmest since:
2015
Ties: 1900, 1904, 1906, 1923, 1942, 1947
Feb 1919–Jan 1920
12-Month		56.4°F
(13.6°C)		57.4°F
(14.1°C)		-1.0°F
(-0.5°C)		14th Coolest
Coolest since:
1949
115th Warmest
Warmest since:
2015
Ties: 1976
Aug 1918–Jan 1920
18-Month		56.0°F
(13.3°C)		56.9°F
(13.8°C)		-0.9°F
(-0.5°C)		11th Coolest
Coolest since:
1913
117th Warmest
Warmest since:
2016, 2022
Ties: 1898, 1916, 1972
Feb 1918–Jan 1920
24-Month		56.6°F
(13.7°C)		57.4°F
(14.1°C)		-0.8°F
(-0.4°C)		12th Coolest
Coolest since:
1913
116th Warmest
Warmest since:
2016
Ties: 1898, 1909, 1957, 1966, 1973
Feb 1917–Jan 1920
36-Month		56.8°F
(13.8°C)		57.4°F
(14.1°C)		-0.6°F
(-0.3°C)		24th Coolest
Coolest since:
1914
103rd Warmest
Warmest since:
2016, 2017
Ties: 1899, 1916, 1957, 1966
Feb 1916–Jan 1920
48-Month		56.5°F
(13.6°C)		57.4°F
(14.1°C)		-0.9°F
(-0.5°C)		10th Coolest
Coolest since:
1913
116th Warmest
Warmest since:
2018
Ties: 1917, 1919, 1922, 1949
Feb 1915–Jan 1920
60-Month		56.5°F
(13.6°C)		57.3°F
(14.1°C)		-0.8°F
(-0.5°C)		7th Coolest
Coolest since:
1913
118th Warmest
Warmest since:
2018, 2019
Ties: 1910, 1912, 1915, 1923, 1949

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