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, January 2010

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
January 2010
1-Month		22.9°F
(-5.1°C)		21.1°F
(-6.1°C)		1.8°F
(1.0°C)		82nd Coolest
Coolest since:
1937
48th Warmest
Warmest since:
2003
Ties: 1993
Dec 2009–Jan 2010
2-Month		20.5°F
(-6.4°C)		22.1°F
(-5.5°C)		-1.6°F
(-0.9°C)		36th Coolest
Coolest since:
1979
93rd Warmest
Warmest since:
1981
Nov 2009–Jan 2010
3-Month		25.6°F
(-3.6°C)		25.4°F
(-3.7°C)		0.2°F
(0.1°C)		59th Coolest
Coolest since:
1932
70th Warmest
Warmest since:
2018
Ties: 1969, 2016
Oct 2009–Jan 2010
4-Month		29.6°F
(-1.3°C)		30.4°F
(-0.9°C)		-0.8°F
(-0.4°C)		37th Coolest
Coolest since:
1917
92nd Warmest
Warmest since:
2018
Sep 2009–Jan 2010
5-Month		35.6°F
(2.0°C)		35.6°F
(2.0°C)		0.0°F
(0.0°C)		54th Coolest
Coolest since:
1913
75th Warmest
Warmest since:
2018
Ties: 1901, 1908, 1975, 1994
Aug 2009–Jan 2010
6-Month		40.5°F
(4.7°C)		40.5°F
(4.7°C)		0.0°F
(0.0°C)		54th Coolest
Coolest since:
1913
75th Warmest
Warmest since:
2018
Ties: 1947, 1948, 1960, 1971, 1987, 1993
Jul 2009–Jan 2010
7-Month		44.4°F
(6.9°C)		44.2°F
(6.8°C)		0.2°F
(0.1°C)		59th Coolest
Coolest since:
1913
70th Warmest
Warmest since:
2018
Ties: 1907, 1960, 1977, 1992
Jun 2009–Jan 2010
8-Month		46.2°F
(7.9°C)		46.3°F
(7.9°C)		-0.1°F
(0.0°C)		53rd Coolest
Coolest since:
1913
76th Warmest
Warmest since:
2022
Ties: 1939, 1971
May 2009–Jan 2010
9-Month		47.1°F
(8.4°C)		46.8°F
(8.2°C)		0.3°F
(0.2°C)		68th Coolest
Coolest since:
1913
61st Warmest
Warmest since:
2022
Ties: 1965
Apr 2009–Jan 2010
10-Month		46.6°F
(8.1°C)		46.3°F
(7.9°C)		0.3°F
(0.2°C)		65th Coolest
Coolest since:
1913
64th Warmest
Warmest since:
2022
Ties: 1975
Mar 2009–Jan 2010
11-Month		45.6°F
(7.6°C)		45.0°F
(7.2°C)		0.6°F
(0.4°C)		74th Coolest
Coolest since:
1913
55th Warmest
Warmest since:
2018
Ties: 1922, 1956
Feb 2009–Jan 2010
12-Month		44.3°F
(6.8°C)		43.4°F
(6.3°C)		0.9°F
(0.5°C)		88th Coolest
Coolest since:
1913
41st Warmest
Warmest since:
2018
Ties: 1944, 1998, 2012
Aug 2008–Jan 2010
18-Month		43.8°F
(6.6°C)		42.4°F
(5.8°C)		1.4°F
(0.8°C)		98th Coolest
Coolest since:
1913
30th Warmest
Warmest since:
2018
Ties: 1990, 1995
Feb 2008–Jan 2010
24-Month		44.3°F
(6.8°C)		43.4°F
(6.3°C)		0.9°F
(0.5°C)		87th Coolest
Coolest since:
1913, 1914
41st Warmest
Warmest since:
2018, 2019
Ties: 1981, 1987, 1989, 1993
Feb 2007–Jan 2010
36-Month		44.8°F
(7.1°C)		43.4°F
(6.3°C)		1.4°F
(0.8°C)		102nd Coolest
Coolest since:
1914
25th Warmest
Warmest since:
2018
Ties: 1936, 1982
Feb 2006–Jan 2010
48-Month		44.8°F
(7.1°C)		43.4°F
(6.3°C)		1.4°F
(0.8°C)		102nd Coolest
Coolest since:
1899
24th Warmest
Warmest since:
2018
Ties: 1997, 2011
Feb 2005–Jan 2010
60-Month		44.9°F
(7.2°C)		43.4°F
(6.3°C)		1.5°F
(0.9°C)		104th Coolest
Coolest since:
1900, 1917
21st Warmest
Warmest since:
2019
Ties: 2014

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