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.

Upper Colorado River Basin

Average Temperature Rankings, December 1960

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Warmest/Coolest
Since		Record
December 1960
1-Month		22.7°F
(-5.2°C)		23.0°F
(-5.0°C)		-0.3°F
(-0.2°C)		53rd Coolest
Coolest since:
1909
76th Warmest
Warmest since:
1980
Ties: 1964
Nov–Dec 1960
2-Month		28.0°F
(-2.2°C)		27.5°F
(-2.5°C)		0.5°F
(0.3°C)		71st Coolest
Coolest since:
1895
58th Warmest
Warmest since:
2017
Ties: 2011
Oct–Dec 1960
3-Month		33.7°F
(0.9°C)		33.5°F
(0.8°C)		0.2°F
(0.1°C)		71st Coolest
Coolest since:
1898
58th Warmest
Warmest since:
1950, 2017
Ties: 1904, 1915, 1936, 1946, 1976
Sep–Dec 1960
4-Month		40.2°F
(4.6°C)		39.2°F
(4.0°C)		1.0°F
(0.6°C)		86th Coolest
Coolest since:
1898, 1912
43rd Warmest
Warmest since:
2021
Ties: 1987, 2004, 2018
Aug–Dec 1960
5-Month		45.2°F
(7.3°C)		44.3°F
(6.8°C)		0.9°F
(0.5°C)		83rd Coolest
Coolest since:
1912
46th Warmest
Warmest since:
2021
Ties: 1922
Jul–Dec 1960
6-Month		49.1°F
(9.5°C)		48.1°F
(8.9°C)		1.0°F
(0.6°C)		83rd Coolest
Coolest since:
1912
46th Warmest
Warmest since:
2021
Jun–Dec 1960
7-Month		50.9°F
(10.5°C)		49.9°F
(9.9°C)		1.0°F
(0.6°C)		86th Coolest
Coolest since:
1912
43rd Warmest
Warmest since:
2021
Ties: 1936, 1950, 2000
May–Dec 1960
8-Month		51.0°F
(10.6°C)		50.0°F
(10.0°C)		1.0°F
(0.6°C)		88th Coolest
Coolest since:
1912
41st Warmest
Warmest since:
2021
Ties: 1901, 1966
Apr–Dec 1960
9-Month		50.1°F
(10.1°C)		49.1°F
(9.5°C)		1.0°F
(0.6°C)		90th Coolest
Coolest since:
1912
39th Warmest
Warmest since:
2021
Ties: 1987, 1990, 2013
Mar–Dec 1960
10-Month		48.5°F
(9.2°C)		47.5°F
(8.6°C)		1.0°F
(0.6°C)		90th Coolest
Coolest since:
1912
39th Warmest
Warmest since:
2012
Ties: 1921, 1946, 1998
Feb–Dec 1960
11-Month		45.9°F
(7.7°C)		45.5°F
(7.5°C)		0.4°F
(0.2°C)		77th Coolest
Coolest since:
1912
52nd Warmest
Warmest since:
2017
Ties: 1900, 1937, 1947, 1950, 1972, 1991, 1997
Jan–Dec 1960
12-Month		43.7°F
(6.5°C)		43.4°F
(6.3°C)		0.3°F
(0.2°C)		68th Coolest
Coolest since:
1895, 1912
61st Warmest
Warmest since:
2012
Ties: 1938, 1947, 1950, 1956, 2008
Jul 1959–Dec 1960
18-Month		45.3°F
(7.4°C)		45.0°F
(7.2°C)		0.3°F
(0.2°C)		72nd Coolest
Coolest since:
1912
56th Warmest
Warmest since:
1934
Ties: 1921, 1939, 1947, 1961
Jan 1959–Dec 1960
24-Month		44.0°F
(6.7°C)		43.4°F
(6.3°C)		0.6°F
(0.4°C)		78th Coolest
Coolest since:
1913
50th Warmest
Warmest since:
2018
Ties: 1947, 1955, 1958
Jan 1958–Dec 1960
36-Month		44.3°F
(6.8°C)		43.4°F
(6.3°C)		0.9°F
(0.5°C)		90th Coolest
Coolest since:
1899, 1913
37th Warmest
Warmest since:
2017
Ties: 1940, 1983, 1987, 2010, 2011
Jan 1957–Dec 1960
48-Month		44.0°F
(6.7°C)		43.4°F
(6.3°C)		0.6°F
(0.4°C)		83rd Coolest
Coolest since:
1898
43rd Warmest
Warmest since:
2018
Ties: 1935, 1943, 1956, 1959, 1963, 1993
Jan 1956–Dec 1960
60-Month		43.9°F
(6.6°C)		43.4°F
(6.3°C)		0.5°F
(0.3°C)		78th Coolest
Coolest since:
1899
47th Warmest
Warmest since:
2018
Ties: 1958, 1961, 1988

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