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, December 1904

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		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
65th Warmest
Warmest since:
1980
Ties: 1985, 2008
Nov–Dec 1904
2-Month		28.5°F
(-1.9°C)		27.5°F
(-2.5°C)		1.0°F
(0.6°C)		76th 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)		71st 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
65th Warmest
Warmest since:
2021
Aug–Dec 1904
5-Month		44.3°F
(6.8°C)		44.3°F
(6.8°C)		0.0°F
(0.0°C)		54th Coolest
Coolest since:
1912
75th 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
89th 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
95th 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)		32nd Coolest
Coolest since:
1912
97th Warmest
Warmest since:
2021
Ties: 1961, 1972, 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
83rd 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
76th 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)		63rd Coolest
Coolest since:
1912
66th Warmest
Warmest since:
2017
Ties: 1907, 1976
Jan–Dec 1904
12-Month		43.4°F
(6.3°C)		43.4°F
(6.3°C)		0.0°F
(0.0°C)		55th Coolest
Coolest since:
1895, 1912
74th Warmest
Warmest since:
2012
Ties: 1931, 1941, 1961
Jul 1903–Dec 1904
18-Month		44.5°F
(6.9°C)		45.0°F
(7.2°C)		-0.5°F
(-0.3°C)		37th Coolest
Coolest since:
1912
91st 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
115th 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
112th 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
99th 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
85th Warmest
Warmest to Date
2018
Ties: 1928, 1953, 1971, 1973

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