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 1973

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
February 1973
1-Month		20.9°F
(-6.2°C)		25.6°F
(-3.6°C)		-4.7°F
(-2.6°C)		18th Coolest
Coolest since:
1903
112th Warmest
Warmest since:
1995
Jan–Feb 1973
2-Month		17.2°F
(-8.2°C)		23.4°F
(-4.8°C)		-6.2°F
(-3.4°C)		6th Coolest
Coolest since:
1937
124th Warmest
Warmest since:
2015
Dec 1972–Feb 1973
3-Month		17.4°F
(-8.1°C)		23.2°F
(-4.9°C)		-5.8°F
(-3.2°C)		6th Coolest
Coolest since:
1933
123rd Warmest
Warmest since:
1981
Nov 1972–Feb 1973
4-Month		20.3°F
(-6.5°C)		25.4°F
(-3.7°C)		-5.1°F
(-2.8°C)		3rd Coolest
Coolest since:
1949
126th Warmest
Warmest since:
1981
Ties: 1979
Oct 1972–Feb 1973
5-Month		25.4°F
(-3.7°C)		29.4°F
(-1.4°C)		-4.0°F
(-2.3°C)		4th Coolest
Coolest since:
1933
125th Warmest
Warmest since:
1934
Ties: 1917
Sep 1972–Feb 1973
6-Month		30.5°F
(-0.8°C)		33.9°F
(1.1°C)		-3.4°F
(-1.9°C)		5th Coolest
Coolest since:
1913
124th Warmest
Warmest since:
1934
Aug 1972–Feb 1973
7-Month		35.4°F
(1.9°C)		38.3°F
(3.5°C)		-2.9°F
(-1.6°C)		4th Coolest
Coolest since:
1913
125th Warmest
Warmest since:
1934
Ties: 1899, 1903, 1949
Jul 1972–Feb 1973
8-Month		39.3°F
(4.1°C)		41.9°F
(5.5°C)		-2.6°F
(-1.4°C)		5th Coolest
Coolest since:
1913
124th Warmest
Warmest since:
1934, 2018
Ties: 1949
Jun 1972–Feb 1973
9-Month		41.8°F
(5.4°C)		43.9°F
(6.6°C)		-2.1°F
(-1.2°C)		8th Coolest
Coolest since:
1913
121st Warmest
Warmest since:
2018
Ties: 1899, 1909
May 1972–Feb 1973
10-Month		42.8°F
(6.0°C)		44.7°F
(7.1°C)		-1.9°F
(-1.1°C)		11th Coolest
Coolest since:
1913
118th Warmest
Warmest since:
2018
Ties: 1979
Apr 1972–Feb 1973
11-Month		42.8°F
(6.0°C)		44.4°F
(6.9°C)		-1.6°F
(-0.9°C)		11th Coolest
Coolest since:
1913
118th Warmest
Warmest since:
2018
Ties: 1912, 1952
Mar 1972–Feb 1973
12-Month		42.6°F
(5.9°C)		43.4°F
(6.3°C)		-0.8°F
(-0.4°C)		35th Coolest
Coolest since:
1913
94th Warmest
Warmest since:
2018
Ties: 1906, 1908
Sep 1971–Feb 1973
18-Month		39.3°F
(4.1°C)		40.3°F
(4.6°C)		-1.0°F
(-0.5°C)		20th Coolest
Coolest since:
1913
108th Warmest
Warmest since:
2018
Ties: 1903, 1915, 1916, 1920, 1929
Mar 1971–Feb 1973
24-Month		42.7°F
(5.9°C)		43.4°F
(6.3°C)		-0.7°F
(-0.4°C)		26th Coolest
Coolest since:
1913, 1914
102nd Warmest
Warmest since:
2018
Ties: 1905, 1916, 1920, 1926, 1932, 1953
Mar 1970–Feb 1973
36-Month		42.8°F
(6.0°C)		43.4°F
(6.3°C)		-0.6°F
(-0.3°C)		26th Coolest
Coolest since:
1914
101st Warmest
Warmest since:
2018
Ties: 1975, 1976, 1985
Mar 1969–Feb 1973
48-Month		43.1°F
(6.2°C)		43.4°F
(6.3°C)		-0.3°F
(-0.1°C)		40th Coolest
Coolest since:
1899, 1915
86th Warmest
Warmest since:
2018
Ties: 1902, 1951, 1968, 1969, 1972
Mar 1968–Feb 1973
60-Month		43.0°F
(6.1°C)		43.4°F
(6.3°C)		-0.4°F
(-0.2°C)		39th Coolest
Coolest since:
1917
86th Warmest
Warmest since:
2019
Ties: 1905, 1911, 1930, 1949, 1969

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