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, December 1904

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1904
1-Month
23.6°F
(-4.7°C)
23.0°F
(-5.0°C)
0.6°F
(0.3°C)
64th Coolest
Coolest since:
1909
64th Warmest
Warmest since:
1980
Ties: 1985, 2008
Nov–Dec 1904
2-Month
28.4°F
(-2.0°C)
27.4°F
(-2.6°C)
1.0°F
(0.6°C)
75th Coolest
Coolest since:
1895
53rd Warmest
Warmest since:
2017
Ties: 1973
Oct–Dec 1904
3-Month
33.7°F
(0.9°C)
33.5°F
(0.8°C)
0.2°F
(0.1°C)
70th Coolest
Coolest since:
1898
58th Warmest
Warmest since:
1950, 2017
Ties: 1915, 1936, 1946, 1960, 1976
Sep–Dec 1904
4-Month
39.4°F
(4.1°C)
39.2°F
(4.0°C)
0.2°F
(0.1°C)
64th Coolest
Coolest since:
1898, 1912
64th Warmest
Warmest since:
2021
Aug–Dec 1904
5-Month
44.3°F
(6.8°C)
44.4°F
(6.9°C)
-0.1°F
(-0.1°C)
54th Coolest
Coolest since:
1912
74th Warmest
Warmest since:
2021
Ties: 1952, 1976, 2006
Jul–Dec 1904
6-Month
47.6°F
(8.7°C)
48.1°F
(8.9°C)
-0.5°F
(-0.2°C)
40th Coolest
Coolest since:
1912
88th Warmest
Warmest since:
2021
Ties: 1906, 1945, 1970, 1975, 1982, 1985
Jun–Dec 1904
7-Month
49.1°F
(9.5°C)
49.9°F
(9.9°C)
-0.8°F
(-0.4°C)
34th Coolest
Coolest since:
1912
94th Warmest
Warmest since:
2021
Ties: 1925
May–Dec 1904
8-Month
49.3°F
(9.6°C)
50.0°F
(10.0°C)
-0.7°F
(-0.4°C)
33rd Coolest
Coolest since:
1912
95th Warmest
Warmest since:
2021
Ties: 1961, 1982
Apr–Dec 1904
9-Month
48.7°F
(9.3°C)
49.1°F
(9.5°C)
-0.4°F
(-0.2°C)
46th Coolest
Coolest since:
1912
82nd Warmest
Warmest since:
2021
Ties: 1964, 1965
Mar–Dec 1904
10-Month
47.3°F
(8.5°C)
47.5°F
(8.6°C)
-0.2°F
(-0.1°C)
53rd Coolest
Coolest since:
1912
75th Warmest
Warmest since:
2012
Ties: 1935, 1976
Feb–Dec 1904
11-Month
45.7°F
(7.6°C)
45.5°F
(7.5°C)
0.2°F
(0.1°C)
64th Coolest
Coolest since:
1912
64th Warmest
Warmest since:
2017
Ties: 1907, 1976
Jan–Dec 1904
12-Month
43.4°F
(6.3°C)
43.5°F
(6.4°C)
-0.1°F
(-0.1°C)
55th Coolest
Coolest since:
1895, 1912
73rd Warmest
Warmest since:
2012
Ties: 1931, 1941, 1961
Jul 1903–Dec 1904
18-Month
44.5°F
(6.9°C)
44.9°F
(7.2°C)
-0.4°F
(-0.3°C)
37th Coolest
Coolest since:
1912
90th Warmest
Warmest since:
1934
Ties: 1942, 1948
Jan 1903–Dec 1904
24-Month
42.1°F
(5.6°C)
43.4°F
(6.3°C)
-1.3°F
(-0.7°C)
13th Coolest
Coolest since:
1913
114th Warmest
Warmest since:
2018
Jan 1902–Dec 1904
36-Month
42.4°F
(5.8°C)
43.4°F
(6.3°C)
-1.0°F
(-0.5°C)
15th Coolest
Coolest since:
1899, 1913
111th Warmest
Warmest since:
2017
Ties: 1900, 1909, 1915, 1925, 1931, 1932
Jan 1901–Dec 1904
48-Month
42.8°F
(6.0°C)
43.4°F
(6.3°C)
-0.6°F
(-0.3°C)
27th Coolest
Coolest since:
1898
98th Warmest
Warmest since:
2018
Ties: 1901, 1922, 1926, 1952
Jan 1900–Dec 1904
60-Month
43.1°F
(6.2°C)
43.4°F
(6.3°C)
-0.3°F
(-0.1°C)
40th Coolest
Coolest since:
1899
84th Warmest
Warmest to Date
2018
Ties: 1928, 1953, 1971, 1973

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