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 1919

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1919
1-Month
17.1°F
(-8.3°C)
23.0°F
(-5.0°C)
-5.9°F
(-3.3°C)
9th Coolest
Coolest since:
1909
119th Warmest
Warmest since:
1980
Nov–Dec 1919
2-Month
23.4°F
(-4.8°C)
27.4°F
(-2.6°C)
-4.0°F
(-2.2°C)
7th Coolest
Coolest since:
1895
121st Warmest
Warmest since:
2017
Ties: 1972
Oct–Dec 1919
3-Month
28.8°F
(-1.8°C)
33.5°F
(0.8°C)
-4.7°F
(-2.6°C)
3rd Coolest
Coolest since:
1898
125th Warmest
Warmest since:
1950, 2017
Sep–Dec 1919
4-Month
36.2°F
(2.3°C)
39.3°F
(4.1°C)
-3.1°F
(-1.8°C)
8th Coolest
Coolest since:
1898, 1912
120th Warmest
Warmest since:
2021
Ties: 1916, 1930
Aug–Dec 1919
5-Month
42.0°F
(5.6°C)
44.3°F
(6.8°C)
-2.3°F
(-1.2°C)
8th Coolest
Coolest since:
1912
120th Warmest
Warmest since:
2021
Ties: 1961
Jul–Dec 1919
6-Month
46.4°F
(8.0°C)
48.1°F
(8.9°C)
-1.7°F
(-0.9°C)
13th Coolest
Coolest since:
1912
115th Warmest
Warmest since:
2021
Jun–Dec 1919
7-Month
48.6°F
(9.2°C)
49.8°F
(9.9°C)
-1.2°F
(-0.7°C)
19th Coolest
Coolest since:
1912
109th Warmest
Warmest since:
2021
Ties: 1909, 1915, 1971
May–Dec 1919
8-Month
49.2°F
(9.6°C)
50.0°F
(10.0°C)
-0.8°F
(-0.4°C)
28th Coolest
Coolest since:
1912
100th Warmest
Warmest since:
2021
Ties: 1906, 1945, 1972, 1978
Apr–Dec 1919
9-Month
48.5°F
(9.2°C)
49.1°F
(9.5°C)
-0.6°F
(-0.3°C)
36th Coolest
Coolest since:
1912
92nd Warmest
Warmest since:
2021
Ties: 1967, 1973, 1983, 1984
Mar–Dec 1919
10-Month
46.8°F
(8.2°C)
47.5°F
(8.6°C)
-0.7°F
(-0.4°C)
37th Coolest
Coolest since:
1912
91st Warmest
Warmest since:
2012
Ties: 1982, 1984, 1993
Feb–Dec 1919
11-Month
44.5°F
(6.9°C)
45.4°F
(7.4°C)
-0.9°F
(-0.5°C)
23rd Coolest
Coolest since:
1912
105th Warmest
Warmest since:
2017
Ties: 1951, 1952, 1955, 1965, 1971, 1984
Jan–Dec 1919
12-Month
42.2°F
(5.7°C)
43.4°F
(6.3°C)
-1.2°F
(-0.6°C)
20th Coolest
Coolest since:
1895, 1912
108th Warmest
Warmest since:
2012
Ties: 1897, 1930, 1984
Jul 1918–Dec 1919
18-Month
43.7°F
(6.5°C)
45.0°F
(7.2°C)
-1.3°F
(-0.7°C)
16th Coolest
Coolest since:
1912
111th Warmest
Warmest since:
1934
Jan 1918–Dec 1919
24-Month
42.5°F
(5.8°C)
43.4°F
(6.3°C)
-0.9°F
(-0.5°C)
18th Coolest
Coolest since:
1913
109th Warmest
Warmest since:
2018
Ties: 1897, 1933, 1952, 1965, 1974
Jan 1917–Dec 1919
36-Month
42.2°F
(5.7°C)
43.4°F
(6.3°C)
-1.2°F
(-0.6°C)
9th Coolest
Coolest since:
1899, 1913
117th Warmest
Warmest since:
2017
Ties: 1905
Jan 1916–Dec 1919
48-Month
42.1°F
(5.6°C)
43.4°F
(6.3°C)
-1.3°F
(-0.7°C)
5th Coolest
Coolest since:
1898
120th Warmest
Warmest since:
2018
Ties: 1917, 1918, 1920
Jan 1915–Dec 1919
60-Month
42.1°F
(5.6°C)
43.4°F
(6.3°C)
-1.3°F
(-0.7°C)
5th Coolest
Coolest since:
1899
119th Warmest
Warmest since:
2018
Ties: 1915

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