Climate at a Glance

Regional Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of September 2020. For more information, please see Climatological Rankings.


Upper Colorado River Basin

Average Temperature Rankings, December 2009

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
December 2009
1-Month
18.0°F
(-7.8°C)
23.0°F
(-5.0°C)
-5.0°F
(-2.8°C)
19th Coolest Coolest since: 1990 1909
107th Warmest Warmest since: 2008 1980
Ties: 1899, 1913
Nov–Dec 2009
2-Month
27.0°F
(-2.8°C)
27.5°F
(-2.5°C)
-0.5°F
(-0.3°C)
47th Coolest Coolest since: 2000 1895
79th Warmest Warmest since: 2008 2017
Ties: 1985, 2013
Oct–Dec 2009
3-Month
31.9°F
(-0.1°C)
33.5°F
(0.8°C)
-1.6°F
(-0.9°C)
26th Coolest Coolest since: 1984 1898
100th Warmest Warmest since: 2008 1950, 2017
Ties: 1982, 1984
Sep–Dec 2009
4-Month
38.7°F
(3.7°C)
39.2°F
(4.0°C)
-0.5°F
(-0.3°C)
43rd Coolest Coolest since: 1993 1898, 1912
83rd Warmest Warmest since: 2008 2017
Ties: 1992
Aug–Dec 2009
5-Month
44.0°F
(6.7°C)
44.3°F
(6.8°C)
-0.3°F
(-0.1°C)
46th Coolest Coolest since: 1993 1912
80th Warmest Warmest since: 2008 2017
Ties: 1929, 1992
Jul–Dec 2009
6-Month
48.0°F
(8.9°C)
48.1°F
(8.9°C)
-0.1°F
(0.0°C)
54th Coolest Coolest since: 1993 1912
72nd Warmest Warmest since: 2008 2017
Ties: 1952, 1974
Jun–Dec 2009
7-Month
49.5°F
(9.7°C)
49.8°F
(9.9°C)
-0.3°F
(-0.2°C)
47th Coolest Coolest since: 1993 1912
79th Warmest Warmest since: 2008 2017
Ties: 1929
May–Dec 2009
8-Month
50.2°F
(10.1°C)
50.1°F
(10.1°C)
0.1°F
(0.0°C)
66th Coolest Coolest since: 1993 1912
60th Warmest Warmest since: 2008 2012
Ties: 1926, 1952, 1976, 1985
Apr–Dec 2009
9-Month
49.2°F
(9.6°C)
49.1°F
(9.5°C)
0.1°F
(0.1°C)
58th Coolest Coolest since: 1997 1912
68th Warmest Warmest since: 2008 2012
Ties: 1925, 1956, 1979, 1991, 1997
Mar–Dec 2009
10-Month
47.9°F
(8.8°C)
47.5°F
(8.6°C)
0.4°F
(0.2°C)
71st Coolest Coolest since: 1993 1912
55th Warmest Warmest since: 2008 2012
Ties: 1900, 1926, 1950, 1985
Feb–Dec 2009
11-Month
46.2°F
(7.9°C)
45.5°F
(7.5°C)
0.7°F
(0.4°C)
84th Coolest Coolest since: 2008 1912
42nd Warmest Warmest since: 2007 2017
Ties: 1926
Jan–Dec 2009
12-Month
44.5°F
(6.9°C)
43.5°F
(6.4°C)
1.0°F
(0.5°C)
89th Coolest Coolest since: 2008 1895, 1912
37th Warmest Warmest since: 2007 2012
Ties: 1988
Jul 2008–Dec 2009
18-Month
46.4°F
(8.0°C)
45.0°F
(7.2°C)
1.4°F
(0.8°C)
103rd Coolest Coolest since: 2008 1912
22nd Warmest Warmest since: 2007 1934
Ties: 1963, 1989, 1990, 2013
Jan 2008–Dec 2009
24-Month
44.1°F
(6.7°C)
43.4°F
(6.3°C)
0.7°F
(0.4°C)
80th Coolest Coolest since: 1993 1913
45th Warmest Warmest since: 2008 2018
Ties: 1901
Jan 2007–Dec 2009
36-Month
44.8°F
(7.1°C)
43.5°F
(6.4°C)
1.3°F
(0.7°C)
104th Coolest Coolest since: 1999 1899, 1913
20th Warmest Warmest since: 2008 2017
Ties: 1997, 1999
Jan 2006–Dec 2009
48-Month
44.9°F
(7.2°C)
43.4°F
(6.3°C)
1.5°F
(0.9°C)
105th Coolest Coolest since: 1999 1898
18th Warmest Warmest since: 2008 2018
Ties: 1999, 2013
Jan 2005–Dec 2009
60-Month
45.0°F
(7.2°C)
43.4°F
(6.3°C)
1.6°F
(0.9°C)
106th Coolest Coolest since: 1999 1899
16th Warmest Warmest since: 2008 2018
Ties: 1998, 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2020, retrieved on October 21, 2020 from https://www.ncdc.noaa.gov/cag/