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 1913

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1913
1-Month
18.0°F
(-7.8°C)
23.0°F
(-5.0°C)
-5.0°F
(-2.8°C)
19th Coolest
Coolest since:
1909
110th Warmest
Warmest since:
1980
Ties: 1899, 2009
Nov–Dec 1913
2-Month
26.5°F
(-3.1°C)
27.5°F
(-2.5°C)
-1.0°F
(-0.6°C)
42nd Coolest
Coolest since:
1895
87th Warmest
Warmest since:
2017
Oct–Dec 1913
3-Month
31.5°F
(-0.3°C)
33.4°F
(0.8°C)
-1.9°F
(-1.1°C)
19th Coolest
Coolest since:
1898
110th Warmest
Warmest since:
1950, 2017
Ties: 1897, 1920, 1948
Sep–Dec 1913
4-Month
37.2°F
(2.9°C)
39.2°F
(4.0°C)
-2.0°F
(-1.1°C)
16th Coolest
Coolest since:
1898, 1912
113th Warmest
Warmest since:
2021
Ties: 1931, 1972
Aug–Dec 1913
5-Month
42.9°F
(6.1°C)
44.3°F
(6.8°C)
-1.4°F
(-0.7°C)
21st Coolest
Coolest since:
1912
108th Warmest
Warmest since:
2021
Ties: 1928, 1931
Jul–Dec 1913
6-Month
46.6°F
(8.1°C)
48.2°F
(9.0°C)
-1.6°F
(-0.9°C)
16th Coolest
Coolest since:
1912
113th Warmest
Warmest since:
2021
Ties: 1902, 1909, 1932, 1993
Jun–Dec 1913
7-Month
48.4°F
(9.1°C)
49.8°F
(9.9°C)
-1.4°F
(-0.8°C)
16th Coolest
Coolest since:
1912
113th Warmest
Warmest since:
2021
Ties: 1968
May–Dec 1913
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: 1923, 1993
Apr–Dec 1913
9-Month
48.2°F
(9.0°C)
49.1°F
(9.5°C)
-0.9°F
(-0.5°C)
26th Coolest
Coolest since:
1912
103rd Warmest
Warmest since:
2021
Ties: 1918, 1929, 1982
Mar–Dec 1913
10-Month
46.3°F
(7.9°C)
47.5°F
(8.6°C)
-1.2°F
(-0.7°C)
19th Coolest
Coolest since:
1912
110th Warmest
Warmest since:
2012
Ties: 1971
Feb–Dec 1913
11-Month
44.1°F
(6.7°C)
45.5°F
(7.5°C)
-1.4°F
(-0.8°C)
16th Coolest
Coolest since:
1912
113th Warmest
Warmest since:
2017
Jan–Dec 1913
12-Month
41.7°F
(5.4°C)
43.4°F
(6.3°C)
-1.7°F
(-0.9°C)
8th Coolest
Coolest since:
1895, 1912
121st Warmest
Warmest since:
2012
Ties: 1916
Jul 1912–Dec 1913
18-Month
42.6°F
(5.9°C)
45.0°F
(7.2°C)
-2.4°F
(-1.3°C)
2nd Coolest
Coolest since:
1912
126th Warmest
Warmest since:
1934
Jan 1912–Dec 1913
24-Month
41.2°F
(5.1°C)
43.4°F
(6.3°C)
-2.2°F
(-1.2°C)
1st Coolest
Coolest since:
1913
127th Warmest
Warmest since:
2018
Jan 1911–Dec 1913
36-Month
41.7°F
(5.4°C)
43.4°F
(6.3°C)
-1.7°F
(-0.9°C)
1st Coolest
Coolest since:
1899, 1913
126th Warmest
Warmest since:
2017
Ties: 1899
Jan 1910–Dec 1913
48-Month
42.4°F
(5.8°C)
43.4°F
(6.3°C)
-1.0°F
(-0.5°C)
13th Coolest
Coolest since:
1898
113th Warmest
Warmest since:
2018
Ties: 1905, 1925
Jan 1909–Dec 1913
60-Month
42.3°F
(5.7°C)
43.3°F
(6.3°C)
-1.0°F
(-0.6°C)
8th Coolest
Coolest since:
1899
117th Warmest
Warmest since:
2018
Ties: 1918

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