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 2007

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 2007
1-Month
20.7°F
(-6.3°C)
23.0°F
(-5.0°C)
-2.3°F
(-1.3°C)
34th Coolest
Coolest since:
1909
94th Warmest
Warmest since:
1980
Nov–Dec 2007
2-Month
29.0°F
(-1.7°C)
27.5°F
(-2.5°C)
1.5°F
(0.8°C)
86th Coolest
Coolest since:
1895
42nd Warmest
Warmest since:
2017
Ties: 1900, 1963, 1966, 1969, 1976
Oct–Dec 2007
3-Month
34.7°F
(1.5°C)
33.4°F
(0.8°C)
1.3°F
(0.7°C)
89th Coolest
Coolest since:
1898
39th Warmest
Warmest since:
1950, 2017
Ties: 1953
Sep–Dec 2007
4-Month
40.6°F
(4.8°C)
39.2°F
(4.0°C)
1.4°F
(0.8°C)
94th Coolest
Coolest since:
1898, 1912
34th Warmest
Warmest since:
2021
Ties: 1953
Aug–Dec 2007
5-Month
46.1°F
(7.8°C)
44.3°F
(6.8°C)
1.8°F
(1.0°C)
102nd Coolest
Coolest since:
1912
26th Warmest
Warmest since:
2021
Ties: 1934
Jul–Dec 2007
6-Month
50.4°F
(10.2°C)
48.1°F
(8.9°C)
2.3°F
(1.3°C)
117th Coolest
Coolest since:
1912
11th Warmest
Warmest since:
2021
Ties: 1998
Jun–Dec 2007
7-Month
52.3°F
(11.3°C)
49.8°F
(9.9°C)
2.5°F
(1.4°C)
118th Coolest
Coolest since:
1912
10th Warmest
Warmest since:
2021
May–Dec 2007
8-Month
52.4°F
(11.3°C)
50.0°F
(10.0°C)
2.4°F
(1.3°C)
119th Coolest
Coolest since:
1912
9th Warmest
Warmest since:
2021
Apr–Dec 2007
9-Month
51.6°F
(10.9°C)
49.1°F
(9.5°C)
2.5°F
(1.4°C)
121st Coolest
Coolest since:
1912
7th Warmest
Warmest since:
2021
Ties: 2003, 2016
Mar–Dec 2007
10-Month
50.3°F
(10.2°C)
47.4°F
(8.6°C)
2.9°F
(1.6°C)
122nd Coolest
Coolest since:
1912
6th Warmest
Warmest since:
2012
Feb–Dec 2007
11-Month
48.4°F
(9.1°C)
45.4°F
(7.4°C)
3.0°F
(1.7°C)
123rd Coolest
Coolest since:
1912
5th Warmest
Warmest since:
2017
Ties: 2015
Jan–Dec 2007
12-Month
46.0°F
(7.8°C)
43.4°F
(6.3°C)
2.6°F
(1.5°C)
117th Coolest
Coolest since:
1895, 1912
11th Warmest
Warmest since:
2012
Ties: 2001, 2014, 2020
Jul 2006–Dec 2007
18-Month
46.9°F
(8.3°C)
45.0°F
(7.2°C)
1.9°F
(1.1°C)
112th Coolest
Coolest since:
1912
15th Warmest
Warmest since:
1934
Ties: 1954, 2004, 2014
Jan 2006–Dec 2007
24-Month
45.6°F
(7.6°C)
43.4°F
(6.3°C)
2.2°F
(1.3°C)
118th Coolest
Coolest since:
1913
9th Warmest
Warmest since:
2018
Ties: 1981, 2003, 2004
Jan 2005–Dec 2007
36-Month
45.6°F
(7.6°C)
43.4°F
(6.3°C)
2.2°F
(1.3°C)
117th Coolest
Coolest since:
1899, 1913
9th Warmest
Warmest since:
2017
Ties: 2005, 2015, 2021
Jan 2004–Dec 2007
48-Month
45.4°F
(7.4°C)
43.4°F
(6.3°C)
2.0°F
(1.1°C)
112th Coolest
Coolest since:
1898
13th Warmest
Warmest since:
2018
Ties: 2005
Jan 2003–Dec 2007
60-Month
45.6°F
(7.6°C)
43.4°F
(6.3°C)
2.2°F
(1.3°C)
115th Coolest
Coolest since:
1899
9th Warmest
Warmest since:
2018
Ties: 2015

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