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 2020

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 2020
1-Month		20.6°F
(-6.3°C)		10.8°F
(-11.8°C)		9.8°F
(5.5°C)		120th Coolest
Coolest since:
1983
9th Warmest
Warmest since:
1939
Nov–Dec 2020
2-Month		25.9°F
(-3.4°C)		18.3°F
(-7.6°C)		7.6°F
(4.2°C)		120th Coolest
Coolest since:
1927
9th Warmest
Warmest since:
1999
Oct–Dec 2020
3-Month		29.7°F
(-1.3°C)		26.7°F
(-2.9°C)		3.0°F
(1.6°C)		100th Coolest
Coolest since:
1919
29th Warmest
Warmest since:
2015
Ties: 1904, 1943
Sep–Dec 2020
4-Month		36.2°F
(2.3°C)		33.9°F
(1.1°C)		2.3°F
(1.2°C)		102nd Coolest
Coolest since:
1919
27th Warmest
Warmest since:
2015
Ties: 1952
Aug–Dec 2020
5-Month		42.5°F
(5.8°C)		40.2°F
(4.6°C)		2.3°F
(1.2°C)		106th Coolest
Coolest since:
1985
23rd Warmest
Warmest since:
2015
Ties: 1941, 1954, 2004
Jul–Dec 2020
6-Month		47.1°F
(8.4°C)		44.9°F
(7.2°C)		2.2°F
(1.2°C)		112th Coolest
Coolest since:
1985
17th Warmest
Warmest since:
2015
Ties: 1941, 1994
Jun–Dec 2020
7-Month		49.9°F
(9.9°C)		47.4°F
(8.6°C)		2.5°F
(1.3°C)		113th Coolest
Coolest since:
1985
16th Warmest
Warmest since:
2021
Ties: 1998
May–Dec 2020
8-Month		50.2°F
(10.1°C)		48.1°F
(8.9°C)		2.1°F
(1.2°C)		110th Coolest
Coolest since:
1927
19th Warmest
Warmest since:
2021
Ties: 1936
Apr–Dec 2020
9-Month		48.7°F
(9.3°C)		47.2°F
(8.4°C)		1.5°F
(0.9°C)		102nd Coolest
Coolest since:
1927
27th Warmest
Warmest since:
2015
Ties: 1913, 1949, 1981
Mar–Dec 2020
10-Month		46.6°F
(8.1°C)		44.8°F
(7.1°C)		1.8°F
(1.0°C)		107th Coolest
Coolest since:
1951
22nd Warmest
Warmest since:
2021
Feb–Dec 2020
11-Month		43.6°F
(6.4°C)		41.6°F
(5.3°C)		2.0°F
(1.1°C)		110th Coolest
Coolest since:
1917
19th Warmest
Warmest since:
1987
Ties: 1930, 1941, 2011
Jan–Dec 2020
12-Month		40.9°F
(4.9°C)		38.5°F
(3.6°C)		2.4°F
(1.3°C)		113th Coolest
Coolest since:
1950
16th Warmest
Warmest since:
1987
Jul 2019–Dec 2020
18-Month		42.3°F
(5.7°C)		40.6°F
(4.8°C)		1.7°F
(0.9°C)		106th Coolest
Coolest since:
1917
22nd Warmest
Warmest since:
2016
Ties: 1954, 1963
Jan 2019–Dec 2020
24-Month		39.1°F
(3.9°C)		38.5°F
(3.6°C)		0.6°F
(0.3°C)		82nd Coolest
Coolest since:
1917, 1951
46th Warmest
Warmest since:
2016
Ties: 1901, 1958, 1961, 1962
Jan 2018–Dec 2020
36-Month		39.1°F
(3.9°C)		38.5°F
(3.6°C)		0.6°F
(0.3°C)		82nd Coolest
Coolest since:
1918, 1951
45th Warmest
Warmest since:
2017
Ties: 1922, 1981, 1984, 1985, 1986, 2015, 2019
Jan 2017–Dec 2020
48-Month		39.5°F
(4.2°C)		38.5°F
(3.6°C)		1.0°F
(0.6°C)		90th Coolest
Coolest since:
1919
36th Warmest
Warmest since:
2001
Jan 2016–Dec 2020
60-Month		40.3°F
(4.6°C)		38.4°F
(3.6°C)		1.9°F
(1.0°C)		111th Coolest
Coolest since:
1899
14th Warmest
Warmest since:
2002
Ties: 1987, 2017

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