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 2019

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 2019
1-Month		53.3°F
(11.8°C)		48.4°F
(9.1°C)		4.9°F
(2.7°C)		115th Coolest
Coolest since:
1963
14th Warmest
Warmest since:
2015
Nov–Dec 2019
2-Month		53.5°F
(11.9°C)		51.9°F
(11.1°C)		1.6°F
(0.8°C)		96th Coolest
Coolest since:
1917
33rd Warmest
Warmest since:
2015
Ties: 1973, 2004
Oct–Dec 2019
3-Month		59.0°F
(15.0°C)		56.2°F
(13.4°C)		2.8°F
(1.6°C)		114th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
2015
Ties: 1986, 2001
Sep–Dec 2019
4-Month		64.0°F
(17.8°C)		60.9°F
(16.1°C)		3.1°F
(1.7°C)		124th Coolest
Coolest since:
1917
5th Warmest
Warmest since:
2015
Aug–Dec 2019
5-Month		67.3°F
(19.6°C)		64.5°F
(18.1°C)		2.8°F
(1.5°C)		123rd Coolest
Coolest since:
1917
6th Warmest
Warmest since:
2015
Jul–Dec 2019
6-Month		69.6°F
(20.9°C)		67.0°F
(19.4°C)		2.6°F
(1.5°C)		124th Coolest
Coolest since:
1917, 1976
5th Warmest
Warmest since:
2015
Jun–Dec 2019
7-Month		70.8°F
(21.6°C)		68.5°F
(20.3°C)		2.3°F
(1.3°C)		124th Coolest
Coolest since:
1976
5th Warmest
Warmest since:
2015
May–Dec 2019
8-Month		71.4°F
(21.9°C)		68.8°F
(20.4°C)		2.6°F
(1.5°C)		125th Coolest
Coolest since:
1976
4th Warmest
Warmest since:
2015
Apr–Dec 2019
9-Month		70.7°F
(21.5°C)		68.2°F
(20.1°C)		2.5°F
(1.4°C)		126th Coolest
Coolest since:
1976
3rd Warmest
Warmest since:
2015
Ties: 2016
Mar–Dec 2019
10-Month		69.3°F
(20.7°C)		67.0°F
(19.4°C)		2.3°F
(1.3°C)		126th Coolest
Coolest since:
1917
3rd Warmest
Warmest since:
2015
Feb–Dec 2019
11-Month		68.1°F
(20.1°C)		65.4°F
(18.6°C)		2.7°F
(1.5°C)		128th Coolest
Coolest since:
1901, 1917
1st Warmest
Warmest since:
2016, 2019
Ties: 2016
Jan–Dec 2019
12-Month		66.5°F
(19.2°C)		63.9°F
(17.7°C)		2.6°F
(1.5°C)		128th Coolest
Coolest since:
1901
1st Warmest
Warmest to Date
2019
Jul 2018–Dec 2019
18-Month		67.4°F
(19.7°C)		64.9°F
(18.3°C)		2.5°F
(1.4°C)		125th Coolest
Coolest since:
1968
3rd Warmest
Warmest since:
2016, 2017
Jan 2018–Dec 2019
24-Month		66.1°F
(18.9°C)		63.9°F
(17.7°C)		2.2°F
(1.2°C)		125th Coolest
Coolest since:
1969
3rd Warmest
Warmest since:
2020
Ties: 2016
Jan 2017–Dec 2019
36-Month		66.2°F
(19.0°C)		63.9°F
(17.7°C)		2.3°F
(1.3°C)		126th Coolest
Coolest since:
1968, 1969
1st Warmest
Warmest since:
2017, 2019
Ties: 2017
Jan 2016–Dec 2019
48-Month		66.2°F
(19.0°C)		63.8°F
(17.7°C)		2.4°F
(1.3°C)		125th Coolest
Coolest since:
1969
1st Warmest
Warmest to Date
2019, 2020
Ties: 2020
Jan 2015–Dec 2019
60-Month		66.1°F
(18.9°C)		63.8°F
(17.7°C)		2.3°F
(1.2°C)		123rd Coolest
Coolest since:
1970
2nd Warmest
Warmest to Date
2020

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