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, February 1939

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
February 1939
1-Month		40.4°F
(4.7°C)		45.3°F
(7.4°C)		-4.9°F
(-2.7°C)		5th Coolest
Coolest since:
1903
125th Warmest
Warmest since:
2015
Jan–Feb 1939
2-Month		41.6°F
(5.3°C)		43.9°F
(6.6°C)		-2.3°F
(-1.3°C)		14th Coolest
Coolest since:
1949
116th Warmest
Warmest since:
2015
Ties: 1911
Dec 1938–Feb 1939
3-Month		42.9°F
(6.1°C)		43.6°F
(6.4°C)		-0.7°F
(-0.3°C)		34th Coolest
Coolest since:
1949
95th Warmest
Warmest since:
2015
Ties: 1921
Nov 1938–Feb 1939
4-Month		43.9°F
(6.6°C)		45.1°F
(7.3°C)		-1.2°F
(-0.7°C)		23rd Coolest
Coolest since:
1949
106th Warmest
Warmest since:
2015
Ties: 1923, 1946, 1985
Oct 1938–Feb 1939
5-Month		46.7°F
(8.2°C)		48.0°F
(8.9°C)		-1.3°F
(-0.7°C)		18th Coolest
Coolest since:
1949
111th Warmest
Warmest since:
2015
Ties: 1920, 1923, 1969, 1979
Sep 1938–Feb 1939
6-Month		50.6°F
(10.3°C)		51.4°F
(10.8°C)		-0.8°F
(-0.5°C)		29th Coolest
Coolest since:
1917, 1949
100th Warmest
Warmest since:
2015
Ties: 1916, 1925, 1985
Aug 1938–Feb 1939
7-Month		53.9°F
(12.2°C)		54.6°F
(12.6°C)		-0.7°F
(-0.4°C)		31st Coolest
Coolest since:
1917
98th Warmest
Warmest since:
2015
Ties: 1897, 1908, 1923, 1948
Jul 1938–Feb 1939
8-Month		56.6°F
(13.7°C)		57.1°F
(13.9°C)		-0.5°F
(-0.2°C)		34th Coolest
Coolest since:
1917
95th Warmest
Warmest since:
2015
Ties: 1897, 1904, 1950, 1962, 1983
Jun 1938–Feb 1939
9-Month		58.0°F
(14.4°C)		58.3°F
(14.6°C)		-0.3°F
(-0.2°C)		40th Coolest
Coolest since:
1917
89th Warmest
Warmest since:
2015
Ties: 1904, 1928, 1931, 1957
May 1938–Feb 1939
10-Month		58.3°F
(14.6°C)		58.6°F
(14.8°C)		-0.3°F
(-0.2°C)		44th Coolest
Coolest since:
1917
85th Warmest
Warmest since:
2015
Ties: 1897, 1904, 1907, 1948, 1950, 1957, 1962
Apr 1938–Feb 1939
11-Month		57.9°F
(14.4°C)		58.1°F
(14.5°C)		-0.2°F
(-0.1°C)		46th Coolest
Coolest since:
1949
83rd Warmest
Warmest since:
2015
Ties: 1937, 1946, 1954, 1965
Mar 1938–Feb 1939
12-Month		56.9°F
(13.8°C)		57.4°F
(14.1°C)		-0.5°F
(-0.3°C)		31st Coolest
Coolest since:
1949
98th Warmest
Warmest since:
2015
Ties: 1900, 1928, 1952, 1965, 1979
Sep 1937–Feb 1939
18-Month		55.5°F
(13.1°C)		55.4°F
(13.0°C)		0.1°F
(0.1°C)		64th Coolest
Coolest since:
1913, 1949
64th Warmest
Warmest since:
2015
Ties: 1906, 1958
Mar 1937–Feb 1939
24-Month		57.6°F
(14.2°C)		57.4°F
(14.1°C)		0.2°F
(0.1°C)		70th Coolest
Coolest since:
1913
58th Warmest
Warmest since:
2015, 2016
Ties: 1952, 1963, 1970, 2012
Mar 1936–Feb 1939
36-Month		57.5°F
(14.2°C)		57.4°F
(14.1°C)		0.1°F
(0.1°C)		59th Coolest
Coolest since:
1914
68th Warmest
Warmest since:
2016
Ties: 1932, 1952, 1968, 1971, 1979
Mar 1935–Feb 1939
48-Month		57.4°F
(14.1°C)		57.4°F
(14.1°C)		0.0°F
(0.0°C)		56th Coolest
Coolest since:
1913
70th Warmest
Warmest since:
2018
Ties: 1927, 1929, 1932
Mar 1934–Feb 1939
60-Month		57.7°F
(14.3°C)		57.3°F
(14.1°C)		0.4°F
(0.2°C)		73rd Coolest
Coolest since:
1913
52nd Warmest
Warmest since:
2018
Ties: 1935, 1936, 1940, 1943, 1960, 1987

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