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, February 2015

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
February 2015
1-Month		33.7°F
(0.9°C)		25.6°F
(-3.6°C)		8.1°F
(4.5°C)		127th Coolest
Coolest since:
1903
3rd Warmest
Warmest since:
1995
Jan–Feb 2015
2-Month		31.1°F
(-0.5°C)		23.4°F
(-4.8°C)		7.7°F
(4.3°C)		129th Coolest
Coolest since:
1937
1st Warmest
Warmest to Date
2015
Dec 2014–Feb 2015
3-Month		30.0°F
(-1.1°C)		23.2°F
(-4.9°C)		6.8°F
(3.8°C)		127th Coolest
Coolest since:
1933
2nd Warmest
Warmest since:
1981
Nov 2014–Feb 2015
4-Month		30.8°F
(-0.7°C)		25.4°F
(-3.7°C)		5.4°F
(3.0°C)		124th Coolest
Coolest since:
1949
5th Warmest
Warmest since:
1981
Oct 2014–Feb 2015
5-Month		34.4°F
(1.3°C)		29.4°F
(-1.4°C)		5.0°F
(2.7°C)		127th Coolest
Coolest since:
1933
2nd Warmest
Warmest since:
1934
Ties: 1981
Sep 2014–Feb 2015
6-Month		38.7°F
(3.7°C)		33.9°F
(1.1°C)		4.8°F
(2.6°C)		127th Coolest
Coolest since:
1913
2nd Warmest
Warmest since:
1934
Aug 2014–Feb 2015
7-Month		42.3°F
(5.7°C)		38.3°F
(3.5°C)		4.0°F
(2.2°C)		127th Coolest
Coolest since:
1913
2nd Warmest
Warmest since:
1934
Ties: 2018
Jul 2014–Feb 2015
8-Month		45.7°F
(7.6°C)		41.9°F
(5.5°C)		3.8°F
(2.1°C)		126th Coolest
Coolest since:
1913
3rd Warmest
Warmest since:
1934, 2018
Jun 2014–Feb 2015
9-Month		47.4°F
(8.6°C)		43.9°F
(6.6°C)		3.5°F
(2.0°C)		125th Coolest
Coolest since:
1913
4th Warmest
Warmest since:
2018
May 2014–Feb 2015
10-Month		47.9°F
(8.8°C)		44.7°F
(7.1°C)		3.2°F
(1.7°C)		126th Coolest
Coolest since:
1913
3rd Warmest
Warmest to Date
2018
Apr 2014–Feb 2015
11-Month		47.4°F
(8.6°C)		44.4°F
(6.9°C)		3.0°F
(1.7°C)		126th Coolest
Coolest since:
1913
3rd Warmest
Warmest to Date
2018
Mar 2014–Feb 2015
12-Month		46.5°F
(8.1°C)		43.4°F
(6.3°C)		3.1°F
(1.8°C)		126th Coolest
Coolest since:
1913
3rd Warmest
Warmest to Date
2018
Sep 2013–Feb 2015
18-Month		42.8°F
(6.0°C)		40.3°F
(4.6°C)		2.5°F
(1.4°C)		119th Coolest
Coolest since:
1913
9th Warmest
Warmest since:
2018
Ties: 2000, 2013
Mar 2013–Feb 2015
24-Month		45.9°F
(7.7°C)		43.4°F
(6.3°C)		2.5°F
(1.4°C)		121st Coolest
Coolest since:
1913, 1914
7th Warmest
Warmest since:
2018
Mar 2012–Feb 2015
36-Month		46.0°F
(7.8°C)		43.4°F
(6.3°C)		2.6°F
(1.5°C)		123rd Coolest
Coolest since:
1914
4th Warmest
Warmest to Date
2018
Mar 2011–Feb 2015
48-Month		45.7°F
(7.6°C)		43.4°F
(6.3°C)		2.3°F
(1.3°C)		119th Coolest
Coolest since:
1899, 1915
7th Warmest
Warmest since:
2018
Ties: 2005, 2022
Mar 2010–Feb 2015
60-Month		45.4°F
(7.4°C)		43.4°F
(6.3°C)		2.0°F
(1.1°C)		112th Coolest
Coolest since:
1917
13th Warmest
Warmest since:
2019
Ties: 2007, 2008

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