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.

Souris-Red-Rainy Basin

Average Temperature Rankings, December 2018

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 2018
1-Month		18.6°F
(-7.4°C)		10.8°F
(-11.8°C)		7.8°F
(4.4°C)		109th Coolest
Coolest since:
1983
20th Warmest
Warmest since:
1939
Nov–Dec 2018
2-Month		19.8°F
(-6.8°C)		18.3°F
(-7.6°C)		1.5°F
(0.8°C)		77th Coolest
Coolest since:
1927
52nd Warmest
Warmest since:
1999
Ties: 1920
Oct–Dec 2018
3-Month		26.0°F
(-3.3°C)		26.7°F
(-2.9°C)		-0.7°F
(-0.4°C)		48th Coolest
Coolest since:
1919
81st Warmest
Warmest since:
2015
Ties: 1921, 1993, 2019
Sep–Dec 2018
4-Month		33.4°F
(0.8°C)		33.9°F
(1.1°C)		-0.5°F
(-0.3°C)		48th Coolest
Coolest since:
1919
81st Warmest
Warmest since:
2015
Ties: 2008
Aug–Dec 2018
5-Month		40.1°F
(4.5°C)		40.2°F
(4.6°C)		-0.1°F
(-0.1°C)		47th Coolest
Coolest since:
1985
82nd Warmest
Warmest since:
2015
Ties: 1906, 1937, 1965, 1968, 2008, 2019
Jul–Dec 2018
6-Month		44.9°F
(7.2°C)		44.9°F
(7.2°C)		0.0°F
(0.0°C)		55th Coolest
Coolest since:
1985
74th Warmest
Warmest since:
2015
Ties: 1983, 2019
Jun–Dec 2018
7-Month		48.0°F
(8.9°C)		47.4°F
(8.6°C)		0.6°F
(0.3°C)		73rd Coolest
Coolest since:
1985
56th Warmest
Warmest since:
2021
Ties: 1959, 2014
May–Dec 2018
8-Month		49.4°F
(9.7°C)		48.1°F
(8.9°C)		1.3°F
(0.8°C)		102nd Coolest
Coolest since:
1927
27th Warmest
Warmest since:
2021
Ties: 1920, 1938, 1948, 1952
Apr–Dec 2018
9-Month		47.5°F
(8.6°C)		47.2°F
(8.4°C)		0.3°F
(0.2°C)		73rd Coolest
Coolest since:
1927
56th Warmest
Warmest since:
2015
Ties: 1908, 1955, 1975, 2002, 2004
Mar–Dec 2018
10-Month		45.3°F
(7.4°C)		44.8°F
(7.1°C)		0.5°F
(0.3°C)		77th Coolest
Coolest since:
1951
52nd Warmest
Warmest since:
2021
Feb–Dec 2018
11-Month		41.6°F
(5.3°C)		41.6°F
(5.3°C)		0.0°F
(0.0°C)		60th Coolest
Coolest since:
1917
69th Warmest
Warmest since:
1987
Ties: 1913, 1920, 1958
Jan–Dec 2018
12-Month		39.0°F
(3.9°C)		38.5°F
(3.6°C)		0.5°F
(0.3°C)		76th Coolest
Coolest since:
1950
53rd Warmest
Warmest since:
1987
Jul 2017–Dec 2018
18-Month		41.2°F
(5.1°C)		40.6°F
(4.8°C)		0.6°F
(0.3°C)		79th Coolest
Coolest since:
1917
49th Warmest
Warmest since:
2016
Ties: 1949, 1975
Jan 2017–Dec 2018
24-Month		40.0°F
(4.4°C)		38.5°F
(3.6°C)		1.5°F
(0.8°C)		103rd Coolest
Coolest since:
1917, 1951
25th Warmest
Warmest since:
2016
Ties: 1954, 2003
Jan 2016–Dec 2018
36-Month		41.1°F
(5.1°C)		38.5°F
(3.6°C)		2.6°F
(1.5°C)		118th Coolest
Coolest since:
1918, 1951
9th Warmest
Warmest since:
2017
Jan 2015–Dec 2018
48-Month		41.4°F
(5.2°C)		38.5°F
(3.6°C)		2.9°F
(1.6°C)		124th Coolest
Coolest since:
1919
2nd Warmest
Warmest since:
2001
Jan 2014–Dec 2018
60-Month		40.6°F
(4.8°C)		38.4°F
(3.6°C)		2.2°F
(1.2°C)		116th Coolest
Coolest since:
1899
9th Warmest
Warmest since:
2002
Ties: 2019

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