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, February 1975

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  • Record Coolest
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  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
February 1975
1-Month
24.4°F
(-4.2°C)
25.6°F
(-3.6°C)
-1.2°F
(-0.6°C)
46th Coolest
Coolest since:
1903
83rd Warmest
Warmest since:
1995
Ties: 1982, 2002
Jan–Feb 1975
2-Month
22.3°F
(-5.4°C)
23.3°F
(-4.8°C)
-1.0°F
(-0.6°C)
40th Coolest
Coolest since:
1937, 1949
89th Warmest
Warmest since:
2015
Ties: 1948
Dec 1974–Feb 1975
3-Month
22.1°F
(-5.5°C)
23.2°F
(-4.9°C)
-1.1°F
(-0.6°C)
42nd Coolest
Coolest since:
1933
86th Warmest
Warmest since:
1981
Ties: 1897
Nov 1974–Feb 1975
4-Month
24.8°F
(-4.0°C)
25.4°F
(-3.7°C)
-0.6°F
(-0.3°C)
46th Coolest
Coolest since:
1949
82nd Warmest
Warmest since:
1981
Oct 1974–Feb 1975
5-Month
29.3°F
(-1.5°C)
29.4°F
(-1.4°C)
-0.1°F
(-0.1°C)
50th Coolest
Coolest since:
1933
78th Warmest
Warmest since:
1934
Ties: 1936, 1944, 1989, 1994
Sep 1974–Feb 1975
6-Month
33.8°F
(1.0°C)
34.0°F
(1.1°C)
-0.2°F
(-0.1°C)
51st Coolest
Coolest since:
1913
77th Warmest
Warmest since:
1934
Ties: 1900, 1994
Aug 1974–Feb 1975
7-Month
38.0°F
(3.3°C)
38.4°F
(3.6°C)
-0.4°F
(-0.3°C)
45th Coolest
Coolest since:
1913
83rd Warmest
Warmest since:
1934
Ties: 1905, 1926, 1957, 1994
Jul 1974–Feb 1975
8-Month
41.6°F
(5.3°C)
41.9°F
(5.5°C)
-0.3°F
(-0.2°C)
48th Coolest
Coolest since:
1913
80th Warmest
Warmest since:
1934, 2018
Ties: 1901, 1928, 1957
Jun 1974–Feb 1975
9-Month
44.0°F
(6.7°C)
43.9°F
(6.6°C)
0.1°F
(0.1°C)
54th Coolest
Coolest since:
1913
74th Warmest
Warmest since:
2018
Ties: 1901, 1922, 1944, 1957, 1971
May 1974–Feb 1975
10-Month
45.0°F
(7.2°C)
44.7°F
(7.1°C)
0.3°F
(0.1°C)
66th Coolest
Coolest since:
1913
62nd Warmest
Warmest since:
2018
Ties: 1957, 1983
Apr 1974–Feb 1975
11-Month
44.5°F
(6.9°C)
44.4°F
(6.9°C)
0.1°F
(0.0°C)
58th Coolest
Coolest since:
1913
70th Warmest
Warmest since:
2018
Ties: 1901, 2010
Mar 1974–Feb 1975
12-Month
43.9°F
(6.6°C)
43.4°F
(6.3°C)
0.5°F
(0.3°C)
73rd Coolest
Coolest since:
1913
55th Warmest
Warmest since:
2018
Ties: 1901, 1944, 1950, 1951, 1988
Sep 1973–Feb 1975
18-Month
40.1°F
(4.5°C)
40.2°F
(4.6°C)
-0.1°F
(-0.1°C)
46th Coolest
Coolest since:
1913
81st Warmest
Warmest since:
2018
Ties: 1923, 1937, 1938
Mar 1973–Feb 1975
24-Month
42.9°F
(6.1°C)
43.4°F
(6.3°C)
-0.5°F
(-0.2°C)
35th Coolest
Coolest since:
1913, 1914
92nd Warmest
Warmest since:
2018
Ties: 1906, 1952, 1969, 1972
Mar 1972–Feb 1975
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
100th Warmest
Warmest since:
2018
Ties: 1973, 1976, 1985
Mar 1971–Feb 1975
48-Month
42.8°F
(6.0°C)
43.4°F
(6.3°C)
-0.6°F
(-0.3°C)
28th Coolest
Coolest since:
1899, 1915
97th Warmest
Warmest since:
2018
Ties: 1911, 1930
Mar 1970–Feb 1975
60-Month
42.8°F
(6.0°C)
43.3°F
(6.3°C)
-0.5°F
(-0.3°C)
24th Coolest
Coolest since:
1917
100th Warmest
Warmest since:
2018, 2019
Ties: 1902, 1923, 1926, 1931

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