Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. 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 1955

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  • Record Coolest
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
January 1955
1-Month
18.0°F
(-7.8°C)
21.1°F
(-6.1°C)
-3.1°F
(-1.7°C)
23rd Coolest
Coolest since:
1937
106th Warmest
Warmest since:
2003
Ties: 1929, 2013
Dec 1954–Jan 1955
2-Month
19.5°F
(-6.9°C)
22.0°F
(-5.6°C)
-2.5°F
(-1.3°C)
27th Coolest
Coolest since:
1979
101st Warmest
Warmest since:
1981
Nov 1954–Jan 1955
3-Month
25.2°F
(-3.8°C)
25.4°F
(-3.7°C)
-0.2°F
(-0.1°C)
51st Coolest
Coolest since:
1932
77th Warmest
Warmest since:
2018
Ties: 1926, 1936, 2008
Oct 1954–Jan 1955
4-Month
30.7°F
(-0.7°C)
30.4°F
(-0.9°C)
0.3°F
(0.2°C)
67th Coolest
Coolest since:
1917
61st Warmest
Warmest since:
2018
Ties: 1908, 1969, 2014
Sep 1954–Jan 1955
5-Month
36.2°F
(2.3°C)
35.6°F
(2.0°C)
0.6°F
(0.3°C)
77th Coolest
Coolest since:
1913
51st Warmest
Warmest since:
2018
Ties: 1927, 1950, 1965, 1966, 1997
Aug 1954–Jan 1955
6-Month
40.8°F
(4.9°C)
40.4°F
(4.7°C)
0.4°F
(0.2°C)
68th Coolest
Coolest since:
1913
60th Warmest
Warmest since:
2018
Ties: 1965, 1986
Jul 1954–Jan 1955
7-Month
44.9°F
(7.2°C)
44.2°F
(6.8°C)
0.7°F
(0.4°C)
75th Coolest
Coolest since:
1913
53rd Warmest
Warmest since:
2018
Ties: 1944
Jun 1954–Jan 1955
8-Month
46.9°F
(8.3°C)
46.3°F
(7.9°C)
0.6°F
(0.4°C)
77th Coolest
Coolest since:
1913
51st Warmest
Warmest since:
2022
Ties: 1945, 1980, 1986
May 1954–Jan 1955
9-Month
47.7°F
(8.7°C)
46.8°F
(8.2°C)
0.9°F
(0.5°C)
81st Coolest
Coolest since:
1913
47th Warmest
Warmest since:
2022
Apr 1954–Jan 1955
10-Month
47.5°F
(8.6°C)
46.3°F
(7.9°C)
1.2°F
(0.7°C)
91st Coolest
Coolest since:
1913
37th Warmest
Warmest since:
2022
Mar 1954–Jan 1955
11-Month
46.0°F
(7.8°C)
45.0°F
(7.2°C)
1.0°F
(0.6°C)
87th Coolest
Coolest since:
1913
41st Warmest
Warmest since:
2018
Ties: 1967, 1986, 1991, 1996, 2020
Feb 1954–Jan 1955
12-Month
45.0°F
(7.2°C)
43.5°F
(6.4°C)
1.5°F
(0.8°C)
100th Coolest
Coolest since:
1913
28th Warmest
Warmest since:
2018
Ties: 1941, 1999
Aug 1953–Jan 1955
18-Month
44.1°F
(6.7°C)
42.4°F
(5.8°C)
1.7°F
(0.9°C)
107th Coolest
Coolest since:
1913
20th Warmest
Warmest since:
2018
Feb 1953–Jan 1955
24-Month
44.6°F
(7.0°C)
43.4°F
(6.3°C)
1.2°F
(0.7°C)
97th Coolest
Coolest since:
1913, 1914
30th Warmest
Warmest since:
2018, 2019
Ties: 1941, 1960, 1978
Feb 1952–Jan 1955
36-Month
44.1°F
(6.7°C)
43.4°F
(6.3°C)
0.7°F
(0.4°C)
84th Coolest
Coolest since:
1914
42nd Warmest
Warmest since:
2018
Ties: 1942, 1956, 1960
Feb 1951–Jan 1955
48-Month
43.7°F
(6.5°C)
43.4°F
(6.3°C)
0.3°F
(0.2°C)
69th Coolest
Coolest since:
1899
56th Warmest
Warmest since:
2018
Ties: 1978
Feb 1950–Jan 1955
60-Month
43.7°F
(6.5°C)
43.3°F
(6.3°C)
0.4°F
(0.2°C)
70th Coolest
Coolest since:
1900, 1917
54th Warmest
Warmest since:
2019
Ties: 1935, 1940, 1957, 1958, 1960, 1965

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