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 1923

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1923
1-Month
22.3°F
(-5.4°C)
23.0°F
(-5.0°C)
-0.7°F
(-0.4°C)
48th Coolest
Coolest since:
1909
81st Warmest
Warmest since:
1980
Ties: 2015
Nov–Dec 1923
2-Month
27.6°F
(-2.4°C)
27.5°F
(-2.5°C)
0.1°F
(0.1°C)
61st Coolest
Coolest since:
1895
68th Warmest
Warmest since:
2017
Ties: 1929, 1975
Oct–Dec 1923
3-Month
32.1°F
(0.1°C)
33.5°F
(0.8°C)
-1.4°F
(-0.7°C)
31st Coolest
Coolest since:
1898
98th Warmest
Warmest since:
1950, 2017
Ties: 1918, 1968
Sep–Dec 1923
4-Month
37.6°F
(3.1°C)
39.2°F
(4.0°C)
-1.6°F
(-0.9°C)
20th Coolest
Coolest since:
1898, 1912
109th Warmest
Warmest since:
2021
Aug–Dec 1923
5-Month
42.7°F
(5.9°C)
44.3°F
(6.8°C)
-1.6°F
(-0.9°C)
19th Coolest
Coolest since:
1912
110th Warmest
Warmest since:
2021
Ties: 1972
Jul–Dec 1923
6-Month
46.9°F
(8.3°C)
48.1°F
(8.9°C)
-1.2°F
(-0.6°C)
26th Coolest
Coolest since:
1912
103rd Warmest
Warmest since:
2021
Ties: 1903
Jun–Dec 1923
7-Month
48.5°F
(9.2°C)
49.9°F
(9.9°C)
-1.4°F
(-0.7°C)
18th Coolest
Coolest since:
1912
111th Warmest
Warmest since:
2021
May–Dec 1923
8-Month
48.9°F
(9.4°C)
50.0°F
(10.0°C)
-1.1°F
(-0.6°C)
21st Coolest
Coolest since:
1912
108th Warmest
Warmest since:
2021
Ties: 1913, 1993
Apr–Dec 1923
9-Month
47.9°F
(8.8°C)
49.1°F
(9.5°C)
-1.2°F
(-0.7°C)
15th Coolest
Coolest since:
1912
114th Warmest
Warmest since:
2021
Ties: 1907, 1928, 1932, 1945, 1951, 1971
Mar–Dec 1923
10-Month
45.8°F
(7.7°C)
47.5°F
(8.6°C)
-1.7°F
(-0.9°C)
8th Coolest
Coolest since:
1912
121st Warmest
Warmest since:
2012
Ties: 1898, 1975
Feb–Dec 1923
11-Month
43.5°F
(6.4°C)
45.5°F
(7.5°C)
-2.0°F
(-1.1°C)
5th Coolest
Coolest since:
1912
124th Warmest
Warmest since:
2017
Ties: 1909
Jan–Dec 1923
12-Month
42.0°F
(5.6°C)
43.4°F
(6.3°C)
-1.4°F
(-0.7°C)
16th Coolest
Coolest since:
1895, 1912
113th Warmest
Warmest since:
2012
Ties: 1909, 1964
Jul 1922–Dec 1923
18-Month
44.2°F
(6.8°C)
45.0°F
(7.2°C)
-0.8°F
(-0.4°C)
25th Coolest
Coolest since:
1912
103rd Warmest
Warmest since:
1934
Ties: 1914, 1949, 1968
Jan 1922–Dec 1923
24-Month
42.2°F
(5.7°C)
43.4°F
(6.3°C)
-1.2°F
(-0.6°C)
14th Coolest
Coolest since:
1913
114th Warmest
Warmest since:
2018
Ties: 1918
Jan 1921–Dec 1923
36-Month
43.0°F
(6.1°C)
43.4°F
(6.3°C)
-0.4°F
(-0.2°C)
37th Coolest
Coolest since:
1899, 1913
90th Warmest
Warmest since:
2017
Ties: 1907, 1922, 1926, 1950, 1957, 1970, 1974
Jan 1920–Dec 1923
48-Month
42.7°F
(5.9°C)
43.4°F
(6.3°C)
-0.7°F
(-0.4°C)
24th Coolest
Coolest since:
1898
102nd Warmest
Warmest since:
2018
Ties: 1924, 1975
Jan 1919–Dec 1923
60-Month
42.6°F
(5.9°C)
43.4°F
(6.3°C)
-0.8°F
(-0.4°C)
17th Coolest
Coolest since:
1899
108th Warmest
Warmest since:
2018
Ties: 1921

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