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.

South Atlantic-Gulf Basin

Average Temperature Rankings, December 1915

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 1915
1-Month		46.0°F
(7.8°C)		48.4°F
(9.1°C)		-2.4°F
(-1.3°C)		26th Coolest
Coolest since:
1963
103rd Warmest
Warmest since:
2015
Ties: 1954, 2003
Nov–Dec 1915
2-Month		51.6°F
(10.9°C)		51.9°F
(11.1°C)		-0.3°F
(-0.2°C)		49th Coolest
Coolest since:
1917
80th Warmest
Warmest since:
2015
Ties: 2014
Oct–Dec 1915
3-Month		56.9°F
(13.8°C)		56.2°F
(13.4°C)		0.7°F
(0.4°C)		79th Coolest
Coolest since:
1917
50th Warmest
Warmest since:
2015
Ties: 1896, 1975, 1991
Sep–Dec 1915
4-Month		61.8°F
(16.6°C)		60.9°F
(16.1°C)		0.9°F
(0.5°C)		94th Coolest
Coolest since:
1917
35th Warmest
Warmest since:
2015
Ties: 1897, 1956, 1972, 2022
Aug–Dec 1915
5-Month		65.2°F
(18.4°C)		64.5°F
(18.1°C)		0.7°F
(0.3°C)		88th Coolest
Coolest since:
1917
41st Warmest
Warmest since:
2015
Ties: 1897, 1902, 1906, 1925, 1947, 2002, 2013
Jul–Dec 1915
6-Month		67.7°F
(19.8°C)		67.0°F
(19.4°C)		0.7°F
(0.4°C)		88th Coolest
Coolest since:
1917, 1976
41st Warmest
Warmest since:
2015
Ties: 1897, 1934, 1956, 2002
Jun–Dec 1915
7-Month		69.0°F
(20.6°C)		68.5°F
(20.3°C)		0.5°F
(0.3°C)		84th Coolest
Coolest since:
1976
45th Warmest
Warmest since:
2015
Ties: 1899, 1906, 1942, 1946, 1948, 1956, 2013
May–Dec 1915
8-Month		69.6°F
(20.9°C)		68.8°F
(20.4°C)		0.8°F
(0.5°C)		98th Coolest
Coolest since:
1976
31st Warmest
Warmest since:
2015
Ties: 1927
Apr–Dec 1915
9-Month		68.9°F
(20.5°C)		68.2°F
(20.1°C)		0.7°F
(0.4°C)		92nd Coolest
Coolest since:
1976
37th Warmest
Warmest since:
2015
Ties: 1908, 2001
Mar–Dec 1915
10-Month		66.7°F
(19.3°C)		67.0°F
(19.4°C)		-0.3°F
(-0.1°C)		41st Coolest
Coolest since:
1917
88th Warmest
Warmest since:
2015
Ties: 1907, 1913, 1932, 1944, 1952, 1972
Feb–Dec 1915
11-Month		65.1°F
(18.4°C)		65.4°F
(18.6°C)		-0.3°F
(-0.2°C)		39th Coolest
Coolest since:
1901, 1917
90th Warmest
Warmest since:
2016, 2019
Ties: 1907, 1913, 1943, 1962, 1978, 2013
Jan–Dec 1915
12-Month		63.5°F
(17.5°C)		63.9°F
(17.7°C)		-0.4°F
(-0.2°C)		34th Coolest
Coolest since:
1901
95th Warmest
Warmest since:
2019
Ties: 1926, 1947, 1962, 2014
Jul 1914–Dec 1915
18-Month		64.4°F
(18.0°C)		64.9°F
(18.3°C)		-0.5°F
(-0.3°C)		24th Coolest
Coolest since:
1968
104th Warmest
Warmest since:
2016, 2017
Ties: 1924, 1978, 1988, 1996
Jan 1914–Dec 1915
24-Month		63.3°F
(17.4°C)		63.9°F
(17.7°C)		-0.6°F
(-0.3°C)		23rd Coolest
Coolest since:
1969
105th Warmest
Warmest since:
2020
Ties: 1960, 1962, 1976, 1989
Jan 1913–Dec 1915
36-Month		63.6°F
(17.6°C)		63.9°F
(17.7°C)		-0.3°F
(-0.1°C)		33rd Coolest
Coolest since:
1968, 1969
94th Warmest
Warmest since:
2017, 2019
Ties: 1919, 1930, 1976, 1984
Jan 1912–Dec 1915
48-Month		63.5°F
(17.5°C)		63.8°F
(17.7°C)		-0.3°F
(-0.2°C)		29th Coolest
Coolest since:
1969
97th Warmest
Warmest since:
2019, 2020
Ties: 1901, 1902, 1977
Jan 1911–Dec 1915
60-Month		63.9°F
(17.7°C)		63.8°F
(17.7°C)		0.1°F
(0.0°C)		43rd Coolest
Coolest since:
1970
82nd Warmest
Warmest since:
2020
Ties: 1899, 1910, 1921, 1940, 1941, 1942, 1958, 1959, 1974, 1987

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