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 1989

View Period (Months):
Download: CSV JSON XML
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 1989
1-Month		41.2°F
(5.1°C)		48.4°F
(9.1°C)		-7.2°F
(-4.0°C)		5th Coolest
Coolest since:
1963
124th Warmest
Warmest since:
2015
Nov–Dec 1989
2-Month		48.9°F
(9.4°C)		51.9°F
(11.1°C)		-3.0°F
(-1.7°C)		13th Coolest
Coolest since:
1917
116th Warmest
Warmest since:
2015
Ties: 1969
Oct–Dec 1989
3-Month		54.1°F
(12.3°C)		56.2°F
(13.4°C)		-2.1°F
(-1.1°C)		11th Coolest
Coolest since:
1917
118th Warmest
Warmest since:
2015
Ties: 1952
Sep–Dec 1989
4-Month		59.1°F
(15.1°C)		60.9°F
(16.1°C)		-1.8°F
(-1.0°C)		11th Coolest
Coolest since:
1917
118th Warmest
Warmest since:
2015
Ties: 1930, 1968, 1969
Aug–Dec 1989
5-Month		63.0°F
(17.2°C)		64.5°F
(18.1°C)		-1.5°F
(-0.9°C)		13th Coolest
Coolest since:
1917
116th Warmest
Warmest since:
2015
Ties: 2000
Jul–Dec 1989
6-Month		65.7°F
(18.7°C)		67.0°F
(19.4°C)		-1.3°F
(-0.7°C)		9th Coolest
Coolest since:
1917, 1976
120th Warmest
Warmest since:
2015
Ties: 1969, 1974
Jun–Dec 1989
7-Month		67.3°F
(19.6°C)		68.5°F
(20.3°C)		-1.2°F
(-0.7°C)		10th Coolest
Coolest since:
1976
119th Warmest
Warmest since:
2015
Ties: 1937, 1966
May–Dec 1989
8-Month		67.6°F
(19.8°C)		68.8°F
(20.4°C)		-1.2°F
(-0.6°C)		8th Coolest
Coolest since:
1976
121st Warmest
Warmest since:
2015
Ties: 1901, 1968, 1997
Apr–Dec 1989
9-Month		67.0°F
(19.4°C)		68.2°F
(20.1°C)		-1.2°F
(-0.7°C)		9th Coolest
Coolest since:
1976
120th Warmest
Warmest since:
2015
Ties: 1974
Mar–Dec 1989
10-Month		66.1°F
(18.9°C)		67.0°F
(19.4°C)		-0.9°F
(-0.5°C)		13th Coolest
Coolest since:
1917
116th Warmest
Warmest since:
2015
Ties: 1930, 1967, 1992
Feb–Dec 1989
11-Month		64.7°F
(18.2°C)		65.4°F
(18.6°C)		-0.7°F
(-0.4°C)		22nd Coolest
Coolest since:
1901, 1917
107th Warmest
Warmest since:
2016, 2019
Ties: 1904, 1979
Jan–Dec 1989
12-Month		63.7°F
(17.6°C)		63.9°F
(17.7°C)		-0.2°F
(-0.1°C)		42nd Coolest
Coolest since:
1901
87th Warmest
Warmest since:
2019
Ties: 1965, 1993
Jul 1988–Dec 1989
18-Month		64.8°F
(18.2°C)		64.9°F
(18.3°C)		-0.1°F
(-0.1°C)		40th Coolest
Coolest since:
1968
88th Warmest
Warmest since:
2016, 2017
Ties: 1912, 1920, 1928, 1975, 1984, 1992, 2010, 2014
Jan 1988–Dec 1989
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: 1915, 1960, 1962, 1976
Jan 1987–Dec 1989
36-Month		63.5°F
(17.5°C)		63.9°F
(17.7°C)		-0.4°F
(-0.2°C)		28th Coolest
Coolest since:
1968, 1969
99th Warmest
Warmest since:
2017, 2019
Ties: 1914, 1916, 1982, 1985
Jan 1986–Dec 1989
48-Month		63.9°F
(17.7°C)		63.8°F
(17.7°C)		0.1°F
(0.0°C)		44th Coolest
Coolest since:
1969
82nd Warmest
Warmest since:
2019, 2020
Ties: 1898, 1910, 1912, 1913, 1926, 1931, 1940, 1944, 1995
Jan 1985–Dec 1989
60-Month		64.0°F
(17.8°C)		63.8°F
(17.7°C)		0.2°F
(0.1°C)		54th Coolest
Coolest since:
1970
71st Warmest
Warmest since:
2020
Ties: 1909, 1912, 1913, 1928, 1930, 1945, 1986, 1988

Citing This Page