Climate at a Glance

City 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 April 2020. For more information, please see Climatological Rankings.


Casper, Wyoming

Average Temperature Rankings, December 2009

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
December 2009
1-Month
15.6°F
(-9.1°C)
23.6°F
(-4.7°C)
-8.0°F
(-4.4°C)
4th Coolest Coolest since: 1990 1983
69th Warmest Warmest since: 2008 1980
Nov–Dec 2009
2-Month
27.0°F
(-2.8°C)
28.3°F
(-2.1°C)
-1.3°F
(-0.7°C)
22nd Coolest Coolest since: 2000 1978
51st Warmest Warmest since: 2008 1999
Oct–Dec 2009
3-Month
30.4°F
(-0.9°C)
33.9°F
(1.1°C)
-3.5°F
(-2.0°C)
8th Coolest Coolest since: 2000 1985
65th Warmest Warmest since: 2008 1999
Sep–Dec 2009
4-Month
37.6°F
(3.1°C)
39.8°F
(4.3°C)
-2.2°F
(-1.2°C)
12th Coolest Coolest since: 2000 1985
61st Warmest Warmest since: 2008 1999
Aug–Dec 2009
5-Month
43.1°F
(6.2°C)
45.5°F
(7.5°C)
-2.4°F
(-1.3°C)
9th Coolest Coolest since: 1985 1985
64th Warmest Warmest since: 2008 1999
Jul–Dec 2009
6-Month
47.1°F
(8.4°C)
49.7°F
(9.8°C)
-2.6°F
(-1.4°C)
8th Coolest Coolest since: 1985 1985
64th Warmest Warmest since: 2008 2012
Ties: 1984
Jun–Dec 2009
7-Month
48.8°F
(9.3°C)
51.4°F
(10.8°C)
-2.6°F
(-1.5°C)
6th Coolest Coolest since: 1993 1951, 1985
66th Warmest Warmest since: 2008 2012
Ties: 1961, 1993
May–Dec 2009
8-Month
49.4°F
(9.7°C)
51.6°F
(10.9°C)
-2.2°F
(-1.2°C)
11th Coolest Coolest since: 1993 1951
61st Warmest Warmest since: 2008 2012
Ties: 1984, 1993
Apr–Dec 2009
9-Month
48.3°F
(9.1°C)
50.5°F
(10.3°C)
-2.2°F
(-1.2°C)
12th Coolest Coolest since: 1985 1951
60th Warmest Warmest since: 2008 2012
Ties: 1957
Mar–Dec 2009
10-Month
46.8°F
(8.2°C)
48.9°F
(9.4°C)
-2.1°F
(-1.2°C)
16th Coolest Coolest since: 1985 1951
56th Warmest Warmest since: 2008 2012
Ties: 1961
Feb–Dec 2009
11-Month
45.4°F
(7.4°C)
46.9°F
(8.3°C)
-1.5°F
(-0.9°C)
23rd Coolest Coolest since: 1993 1951
49th Warmest Warmest since: 2008 2012
Ties: 1982, 1989
Jan–Dec 2009
12-Month
43.8°F
(6.6°C)
45.1°F
(7.3°C)
-1.3°F
(-0.7°C)
30th Coolest Coolest since: 1993 1951
42nd Warmest Warmest since: 2008 2012
Ties: 1983
Jul 2008–Dec 2009
18-Month
45.8°F
(7.7°C)
46.6°F
(8.1°C)
-0.8°F
(-0.4°C)
31st Coolest Coolest since: 1993 1951, 1985
40th Warmest Warmest since: 2008 2012
Ties: 1966, 2019
Jan 2008–Dec 2009
24-Month
43.9°F
(6.6°C)
45.0°F
(7.2°C)
-1.1°F
(-0.6°C)
32nd Coolest Coolest since: 1986 1951
39th Warmest Warmest since: 2008 2016
Jan 2007–Dec 2009
36-Month
44.8°F
(7.1°C)
45.1°F
(7.3°C)
-0.3°F
(-0.2°C)
45th Coolest Coolest since: 1997 1951
25th Warmest Warmest since: 2008 2007
Ties: 2011
Jan 2006–Dec 2009
48-Month
45.3°F
(7.4°C)
44.9°F
(7.2°C)
0.4°F
(0.2°C)
50th Coolest Coolest since: 1998 1952
19th Warmest Warmest since: 2008 2007
Jan 2005–Dec 2009
60-Month
45.6°F
(7.6°C)
44.9°F
(7.2°C)
0.7°F
(0.4°C)
53rd Coolest Coolest since: 2000 1975
15th Warmest Warmest since: 2008 2007, 2016
Ties: 2013

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published May 2020, retrieved on May 31, 2020 from https://www.ncdc.noaa.gov/cag/