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


Casper, Wyoming

Average Temperature Rankings, December 1999

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
December 1999
1-Month
29.9°F
(-1.2°C)
23.3°F
(-4.8°C)
6.6°F
(3.6°C)
63rd Coolest Coolest since: 1998 1983
1st Warmest Warmest to Date 1999
Nov–Dec 1999
2-Month
36.8°F
(2.7°C)
28.3°F
(-2.1°C)
8.5°F
(4.8°C)
63rd Coolest Coolest since: 1998 1978
1st Warmest Warmest to Date 1999
Oct–Dec 1999
3-Month
40.2°F
(4.6°C)
33.9°F
(1.1°C)
6.3°F
(3.5°C)
63rd Coolest Coolest since: 1998 1985
1st Warmest Warmest to Date 1999
Sep–Dec 1999
4-Month
43.8°F
(6.6°C)
39.9°F
(4.4°C)
3.9°F
(2.2°C)
62nd Coolest Coolest since: 1998 1985
2nd Warmest Warmest since: 1963 1963
Aug–Dec 1999
5-Month
49.0°F
(9.4°C)
45.6°F
(7.6°C)
3.4°F
(1.8°C)
63rd Coolest Coolest since: 1998 1985
1st Warmest Warmest since: 1963 1963, 1999
Ties: 1963
Jul–Dec 1999
6-Month
52.8°F
(11.6°C)
49.8°F
(9.9°C)
3.0°F
(1.7°C)
62nd Coolest Coolest since: 1998 1985
2nd Warmest Warmest to Date 2012
Ties: 2001
Jun–Dec 1999
7-Month
54.0°F
(12.2°C)
51.6°F
(10.9°C)
2.4°F
(1.3°C)
60th Coolest Coolest since: 1998 1985
4th Warmest Warmest since: 1963 2012
May–Dec 1999
8-Month
53.5°F
(11.9°C)
51.6°F
(10.9°C)
1.9°F
(1.0°C)
59th Coolest Coolest since: 1998 1951
5th Warmest Warmest since: 1988 2012
Ties: 1988
Apr–Dec 1999
9-Month
51.9°F
(11.1°C)
50.6°F
(10.3°C)
1.3°F
(0.8°C)
54th Coolest Coolest since: 1997 1951
10th Warmest Warmest since: 1998 2012
Ties: 2003
Mar–Dec 1999
10-Month
50.4°F
(10.2°C)
49.0°F
(9.4°C)
1.4°F
(0.8°C)
57th Coolest Coolest since: 1998 1951
7th Warmest Warmest since: 1963 2012
Feb–Dec 1999
11-Month
48.8°F
(9.3°C)
46.9°F
(8.3°C)
1.9°F
(1.0°C)
56th Coolest Coolest since: 1998 1951
6th Warmest Warmest since: 1963 2012
Jan–Dec 1999
12-Month
47.1°F
(8.4°C)
45.2°F
(7.3°C)
1.9°F
(1.1°C)
57th Coolest Coolest since: 1998 1951
3rd Warmest Warmest to Date 2012
Ties: 2006
Jul 1998–Dec 1999
18-Month
48.9°F
(9.4°C)
46.8°F
(8.2°C)
2.1°F
(1.2°C)
58th Coolest Coolest since: 1998 1985
2nd Warmest Warmest to Date 2012
Jan 1998–Dec 1999
24-Month
46.7°F
(8.2°C)
45.1°F
(7.3°C)
1.6°F
(0.9°C)
52nd Coolest Coolest since: 1990 1985
5th Warmest Warmest to Date 2016
Ties: 2007
Jan 1997–Dec 1999
36-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1985
-- -- 2007
Ties: 1979, 1980, 1981, 1982, 1983, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998
Jan 1996–Dec 1999
48-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1985
-- -- 2007
Ties: 1979, 1980, 1981, 1982, 1983, 1984, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000
Jan 1995–Dec 1999
60-Month
-- -99.0°F
(-72.8°C)
-- -- -- 1975
-- -- 2007, 2016
Ties: Numerous

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published February 2020, retrieved on February 20, 2020 from https://www.ncdc.noaa.gov/cag/