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 1981

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2023)
Warmest/Coolest
Since
Record
January 1981
1-Month
30.0°F
(-1.1°C)
21.1°F
(-6.1°C)
8.9°F
(5.0°C)
128th Coolest
Coolest since:
1937
2nd Warmest
Warmest to Date
2003
Dec 1980–Jan 1981
2-Month
31.5°F
(-0.3°C)
22.1°F
(-5.5°C)
9.4°F
(5.2°C)
128th Coolest
Coolest since:
1979
1st Warmest
Warmest to Date
1981
Nov 1980–Jan 1981
3-Month
32.3°F
(0.2°C)
25.4°F
(-3.7°C)
6.9°F
(3.9°C)
127th Coolest
Coolest since:
1932
2nd Warmest
Warmest to Date
2018
Oct 1980–Jan 1981
4-Month
35.5°F
(1.9°C)
30.4°F
(-0.9°C)
5.1°F
(2.8°C)
127th Coolest
Coolest since:
1917
2nd Warmest
Warmest to Date
2018
Sep 1980–Jan 1981
5-Month
39.8°F
(4.3°C)
35.6°F
(2.0°C)
4.2°F
(2.3°C)
127th Coolest
Coolest since:
1913
2nd Warmest
Warmest to Date
2018
Aug 1980–Jan 1981
6-Month
43.9°F
(6.6°C)
40.5°F
(4.7°C)
3.4°F
(1.9°C)
126th Coolest
Coolest since:
1913
3rd Warmest
Warmest since:
2018
Ties: 1934
Jul 1980–Jan 1981
7-Month
47.4°F
(8.6°C)
44.2°F
(6.8°C)
3.2°F
(1.8°C)
125th Coolest
Coolest since:
1913
4th Warmest
Warmest since:
2018
Ties: 2015
Jun 1980–Jan 1981
8-Month
49.1°F
(9.5°C)
46.3°F
(7.9°C)
2.8°F
(1.6°C)
124th Coolest
Coolest since:
1913
5th Warmest
Warmest since:
2022
May 1980–Jan 1981
9-Month
49.2°F
(9.6°C)
46.8°F
(8.2°C)
2.4°F
(1.4°C)
121st Coolest
Coolest since:
1913
8th Warmest
Warmest since:
2022
Ties: 1934, 1959, 2002, 2004, 2017
Apr 1980–Jan 1981
10-Month
48.3°F
(9.1°C)
46.3°F
(7.9°C)
2.0°F
(1.2°C)
114th Coolest
Coolest since:
1913
15th Warmest
Warmest since:
2022
Ties: 1982
Mar 1980–Jan 1981
11-Month
46.7°F
(8.2°C)
45.0°F
(7.2°C)
1.7°F
(1.0°C)
106th Coolest
Coolest since:
1913
23rd Warmest
Warmest since:
2018
Ties: 1934, 1940, 1941, 1997, 2006
Feb 1980–Jan 1981
12-Month
45.2°F
(7.3°C)
43.4°F
(6.3°C)
1.8°F
(1.0°C)
106th Coolest
Coolest since:
1913
23rd Warmest
Warmest since:
2018
Ties: 1959, 1964, 1990
Aug 1979–Jan 1981
18-Month
43.9°F
(6.6°C)
42.4°F
(5.8°C)
1.5°F
(0.8°C)
103rd Coolest
Coolest since:
1913
25th Warmest
Warmest since:
2018
Ties: 1964, 1978, 1999, 2014
Feb 1979–Jan 1981
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: 1987, 1989, 1993, 2010
Feb 1978–Jan 1981
36-Month
43.8°F
(6.6°C)
43.4°F
(6.3°C)
0.4°F
(0.3°C)
74th Coolest
Coolest since:
1914
53rd Warmest
Warmest since:
2018
Ties: 1943, 1959, 1965
Feb 1977–Jan 1981
48-Month
44.3°F
(6.8°C)
43.4°F
(6.3°C)
0.9°F
(0.5°C)
89th Coolest
Coolest since:
1899
37th Warmest
Warmest since:
2018
Ties: 1982, 1984, 1989
Feb 1976–Jan 1981
60-Month
44.1°F
(6.7°C)
43.4°F
(6.3°C)
0.7°F
(0.4°C)
87th Coolest
Coolest since:
1900, 1917
38th Warmest
Warmest since:
2019
Ties: 1983, 1984

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