Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Colorado

Average Temperature Rankings, December 1909

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 1909
1-Month
14.9°F
(-9.5°C)
25.2°F
(-3.8°C)
-10.3°F
(-5.7°C)
1st Coolest
Coolest since:
1909
128th Warmest
Warmest since:
1980
Nov–Dec 1909
2-Month
25.0°F
(-3.9°C)
29.4°F
(-1.4°C)
-4.4°F
(-2.5°C)
4th Coolest
Coolest since:
1972
125th Warmest
Warmest since:
2021
Ties: 1895
Oct–Dec 1909
3-Month
32.3°F
(0.2°C)
35.1°F
(1.7°C)
-2.8°F
(-1.5°C)
8th Coolest
Coolest since:
1898
121st Warmest
Warmest since:
2021
Sep–Dec 1909
4-Month
38.2°F
(3.4°C)
40.6°F
(4.8°C)
-2.4°F
(-1.4°C)
8th Coolest
Coolest since:
1898
121st Warmest
Warmest since:
2021
Aug–Dec 1909
5-Month
43.9°F
(6.6°C)
45.6°F
(7.6°C)
-1.7°F
(-1.0°C)
12th Coolest
Coolest since:
1898
117th Warmest
Warmest since:
2021
Ties: 1913, 1918
Jul–Dec 1909
6-Month
47.8°F
(8.8°C)
49.1°F
(9.5°C)
-1.3°F
(-0.7°C)
18th Coolest
Coolest since:
1912
111th Warmest
Warmest since:
2021
Ties: 1928, 1929
Jun–Dec 1909
7-Month
49.7°F
(9.8°C)
50.9°F
(10.5°C)
-1.2°F
(-0.7°C)
17th Coolest
Coolest since:
1912
112th Warmest
Warmest since:
2021
Ties: 1924, 1927, 1929, 1930, 2009
May–Dec 1909
8-Month
49.5°F
(9.7°C)
51.0°F
(10.6°C)
-1.5°F
(-0.9°C)
8th Coolest
Coolest since:
1912
121st Warmest
Warmest since:
2021
Ties: 1911, 1923
Apr–Dec 1909
9-Month
48.3°F
(9.1°C)
50.0°F
(10.0°C)
-1.7°F
(-0.9°C)
4th Coolest
Coolest since:
1912
125th Warmest
Warmest since:
2021
Ties: 1898, 1908
Mar–Dec 1909
10-Month
46.7°F
(8.2°C)
48.4°F
(9.1°C)
-1.7°F
(-0.9°C)
6th Coolest
Coolest since:
1912
123rd Warmest
Warmest since:
2012
Feb–Dec 1909
11-Month
44.7°F
(7.1°C)
46.5°F
(8.1°C)
-1.8°F
(-1.0°C)
6th Coolest
Coolest since:
1912
123rd Warmest
Warmest since:
2012, 2017
Jan–Dec 1909
12-Month
43.3°F
(6.3°C)
44.6°F
(7.0°C)
-1.3°F
(-0.7°C)
13th Coolest
Coolest since:
1912
116th Warmest
Warmest since:
2012
Ties: 1919
Jul 1908–Dec 1909
18-Month
44.6°F
(7.0°C)
46.1°F
(7.8°C)
-1.5°F
(-0.8°C)
8th Coolest
Coolest since:
1912
120th Warmest
Warmest since:
1934
Jan 1908–Dec 1909
24-Month
43.5°F
(6.4°C)
44.6°F
(7.0°C)
-1.1°F
(-0.6°C)
12th Coolest
Coolest since:
1913
116th Warmest
Warmest since:
2017
Ties: 1919
Jan 1907–Dec 1909
36-Month
44.0°F
(6.7°C)
44.6°F
(7.0°C)
-0.6°F
(-0.3°C)
20th Coolest
Coolest since:
1913, 1914
107th Warmest
Warmest since:
2017
Ties: 1926, 1973
Jan 1906–Dec 1909
48-Month
44.0°F
(6.7°C)
44.6°F
(7.0°C)
-0.6°F
(-0.3°C)
21st Coolest
Coolest since:
1915
105th Warmest
Warmest since:
2018
Ties: 1908, 1924, 1975, 1976
Jan 1905–Dec 1909
60-Month
43.9°F
(6.6°C)
44.6°F
(7.0°C)
-0.7°F
(-0.4°C)
13th Coolest
Coolest since:
1916
112th Warmest
Warmest since:
2018
Ties: 1906, 1914, 1926, 1927, 1930, 1931

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