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 July 2020. For more information, please see Climatological Rankings.


Upper Colorado River Basin

Average Temperature Rankings, December 2018

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
December 2018
1-Month
23.3°F
(-4.8°C)
23.0°F
(-5.0°C)
0.3°F
(0.2°C)
59th Coolest Coolest since: 2015 1909
67th Warmest Warmest since: 2017 1980
Nov–Dec 2018
2-Month
27.2°F
(-2.7°C)
27.4°F
(-2.6°C)
-0.2°F
(-0.1°C)
50th Coolest Coolest since: 2015 1895
76th Warmest Warmest since: 2017 2017
Ties: 1903, 1927, 1935, 2015
Oct–Dec 2018
3-Month
33.0°F
(0.6°C)
33.5°F
(0.8°C)
-0.5°F
(-0.2°C)
48th Coolest Coolest since: 2013 1898
78th Warmest Warmest since: 2017 1950, 2017
Ties: 1925, 1985
Sep–Dec 2018
4-Month
40.2°F
(4.6°C)
39.2°F
(4.0°C)
1.0°F
(0.6°C)
86th Coolest Coolest since: 2013 1898, 1912
40th Warmest Warmest since: 2017 2017
Ties: 1960, 1987, 2004
Aug–Dec 2018
5-Month
45.6°F
(7.6°C)
44.3°F
(6.8°C)
1.3°F
(0.8°C)
94th Coolest Coolest since: 2013 1912
32nd Warmest Warmest since: 2017 2017
Ties: 1942, 1988, 2019
Jul–Dec 2018
6-Month
49.9°F
(9.9°C)
48.1°F
(8.9°C)
1.8°F
(1.0°C)
105th Coolest Coolest since: 2015 1912
21st Warmest Warmest since: 2017 2017
Ties: 1934
Jun–Dec 2018
7-Month
52.1°F
(11.2°C)
49.8°F
(9.9°C)
2.3°F
(1.3°C)
117th Coolest Coolest since: 2015 1912
9th Warmest Warmest since: 2017 2017
Ties: 2010, 2014
May–Dec 2018
8-Month
52.6°F
(11.4°C)
50.0°F
(10.0°C)
2.6°F
(1.4°C)
123rd Coolest Coolest since: 2016 1912
3rd Warmest Warmest since: 2017 2012
Ties: 2001, 2003, 2016
Apr–Dec 2018
9-Month
51.8°F
(11.0°C)
49.1°F
(9.5°C)
2.7°F
(1.5°C)
123rd Coolest Coolest since: 2016 1912
3rd Warmest Warmest since: 2017 2012
Mar–Dec 2018
10-Month
50.2°F
(10.1°C)
47.4°F
(8.6°C)
2.8°F
(1.5°C)
121st Coolest Coolest since: 2016 1912
5th Warmest Warmest since: 2017 2012
Ties: 2001, 2016
Feb–Dec 2018
11-Month
48.3°F
(9.1°C)
45.5°F
(7.5°C)
2.8°F
(1.6°C)
120th Coolest Coolest since: 2016 1912
6th Warmest Warmest since: 2017 2017
Ties: 2016
Jan–Dec 2018
12-Month
46.6°F
(8.1°C)
43.4°F
(6.3°C)
3.2°F
(1.8°C)
121st Coolest Coolest since: 2016 1895, 1912
5th Warmest Warmest since: 2017 2012
Jul 2017–Dec 2018
18-Month
48.2°F
(9.0°C)
45.0°F
(7.2°C)
3.2°F
(1.8°C)
123rd Coolest Coolest since: 2017 1912
2nd Warmest Warmest since: 2017 1934
Ties: 2017
Jan 2017–Dec 2018
24-Month
46.9°F
(8.3°C)
43.5°F
(6.4°C)
3.4°F
(1.9°C)
124th Coolest Coolest since: 2017 1913
1st Warmest Warmest to Date 2018
Jan 2016–Dec 2018
36-Month
46.6°F
(8.1°C)
43.4°F
(6.3°C)
3.2°F
(1.8°C)
122nd Coolest Coolest since: 2016 1899, 1913
2nd Warmest Warmest since: 2017 2017
Jan 2015–Dec 2018
48-Month
46.6°F
(8.1°C)
43.3°F
(6.3°C)
3.3°F
(1.8°C)
122nd Coolest Coolest since: 2017 1898
1st Warmest Warmest to Date 2018
Jan 2014–Dec 2018
60-Month
46.5°F
(8.1°C)
43.4°F
(6.3°C)
3.1°F
(1.8°C)
121st Coolest Coolest since: 2017 1899
1st Warmest Warmest to Date 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published August 2020, retrieved on August 15, 2020 from https://www.ncdc.noaa.gov/cag/