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 1901

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
January 1901
1-Month
22.0°F
(-5.6°C)
21.1°F
(-6.1°C)
0.9°F
(0.5°C)
71st Coolest
Coolest since:
1937
58th Warmest
Warmest since:
2003
Ties: 1940
Dec 1900–Jan 1901
2-Month
23.2°F
(-4.9°C)
22.0°F
(-5.6°C)
1.2°F
(0.7°C)
78th Coolest
Coolest since:
1979
50th Warmest
Warmest to Date
1981
Ties: 1939, 1941, 1969, 2017
Nov 1900–Jan 1901
3-Month
26.7°F
(-2.9°C)
25.4°F
(-3.7°C)
1.3°F
(0.8°C)
85th Coolest
Coolest since:
1932
43rd Warmest
Warmest to Date
2018
Ties: 2002
Oct 1900–Jan 1901
4-Month
31.2°F
(-0.4°C)
30.4°F
(-0.9°C)
0.8°F
(0.5°C)
80th Coolest
Coolest since:
1917
48th Warmest
Warmest to Date
2018
Ties: 1967, 1989
Sep 1900–Jan 1901
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
74th Warmest
Warmest to Date
2018
Ties: 1908, 1975, 1994, 2010
Aug 1900–Jan 1901
6-Month
40.0°F
(4.4°C)
40.4°F
(4.7°C)
-0.4°F
(-0.3°C)
40th Coolest
Coolest since:
1913
88th Warmest
Warmest to Date
2018
Ties: 1968
Jul 1900–Jan 1901
7-Month
43.8°F
(6.6°C)
44.2°F
(6.8°C)
-0.4°F
(-0.2°C)
42nd Coolest
Coolest since:
1913
86th Warmest
Warmest to Date
2018
Ties: 1942, 1958, 1976
Jun 1900–Jan 1901
8-Month
46.2°F
(7.9°C)
46.2°F
(7.9°C)
0.0°F
(0.0°C)
53rd Coolest
Coolest since:
1913
75th Warmest
Warmest to Date
2022
Ties: 1939, 1971, 1977, 2010
May 1900–Jan 1901
9-Month
47.0°F
(8.3°C)
46.8°F
(8.2°C)
0.2°F
(0.1°C)
61st Coolest
Coolest since:
1913
67th Warmest
Warmest to Date
2022
Ties: 1944, 1988, 1991, 1992, 1993
Apr 1900–Jan 1901
10-Month
46.3°F
(7.9°C)
46.3°F
(7.9°C)
0.0°F
(0.0°C)
55th Coolest
Coolest since:
1913
73rd Warmest
Warmest to Date
2022
Ties: 1937, 1957, 1965, 1992
Mar 1900–Jan 1901
11-Month
45.5°F
(7.5°C)
45.0°F
(7.2°C)
0.5°F
(0.3°C)
71st Coolest
Coolest since:
1913
57th Warmest
Warmest to Date
2018
Ties: 1950, 1951, 1960, 1988
Feb 1900–Jan 1901
12-Month
43.9°F
(6.6°C)
43.5°F
(6.4°C)
0.4°F
(0.2°C)
75th Coolest
Coolest since:
1913
53rd Warmest
Warmest to Date
2018
Ties: 1951, 1960, 1961, 1967, 1986
Aug 1899–Jan 1901
18-Month
42.5°F
(5.8°C)
42.4°F
(5.8°C)
0.1°F
(0.0°C)
56th Coolest
Coolest since:
1913
71st Warmest
Warmest to Date
2018
Ties: 1922, 1923, 1928, 1942, 1945, 1968, 1986, 1992
Feb 1899–Jan 1901
24-Month
43.1°F
(6.2°C)
43.4°F
(6.3°C)
-0.3°F
(-0.1°C)
43rd Coolest
Coolest since:
1913, 1914
84th Warmest
Warmest to Date
2018, 2019
Ties: 1952, 1957, 1958, 1980, 1984
Feb 1898–Jan 1901
36-Month
42.6°F
(5.9°C)
43.3°F
(6.3°C)
-0.7°F
(-0.4°C)
22nd Coolest
Coolest since:
1914
104th Warmest
Warmest to Date
2018
Ties: 1913, 1933, 1974
Feb 1897–Jan 1901
48-Month
42.4°F
(5.8°C)
43.4°F
(6.3°C)
-1.0°F
(-0.5°C)
14th Coolest
Coolest since:
1899
111th Warmest
Warmest to Date
2018
Ties: 1910, 1931
Feb 1896–Jan 1901
60-Month
42.4°F
(5.8°C)
43.4°F
(6.3°C)
-1.0°F
(-0.5°C)
11th Coolest
Coolest since:
1900, 1917
113th Warmest
Warmest to Date
2019
Ties: 1910, 1925

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