Climate at a Glance

Statewide 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.


Wyoming

Average Temperature Rankings, December 1999

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
December 1999
1-Month
25.2°F
(-3.8°C)
20.6°F
(-6.3°C)
4.6°F
(2.5°C)
113th Coolest Coolest since: 1998 1909, 1983
13th Warmest Warmest since: 1994 1980
Ties: 1959
Nov–Dec 1999
2-Month
32.0°F
(0.0°C)
24.8°F
(-4.0°C)
7.2°F
(4.0°C)
125th Coolest Coolest since: 1998 1978
1st Warmest Warmest to Date 1999
Oct–Dec 1999
3-Month
36.3°F
(2.4°C)
30.7°F
(-0.7°C)
5.6°F
(3.1°C)
125th Coolest Coolest since: 1998 1919
1st Warmest Warmest to Date 1999
Sep–Dec 1999
4-Month
40.0°F
(4.4°C)
36.4°F
(2.4°C)
3.6°F
(2.0°C)
122nd Coolest Coolest since: 1998 1919
4th Warmest Warmest since: 1963 1933
Aug–Dec 1999
5-Month
45.0°F
(7.2°C)
41.8°F
(5.4°C)
3.2°F
(1.8°C)
123rd Coolest Coolest since: 1998 1916, 1985
3rd Warmest Warmest since: 1963 1933
Ties: 1939
Jul–Dec 1999
6-Month
48.5°F
(9.2°C)
45.7°F
(7.6°C)
2.8°F
(1.6°C)
120th Coolest Coolest since: 1998 1911
6th Warmest Warmest since: 1963 1933
Jun–Dec 1999
7-Month
49.7°F
(9.8°C)
47.5°F
(8.6°C)
2.2°F
(1.2°C)
115th Coolest Coolest since: 1998 1916
11th Warmest Warmest since: 1988 1933
May–Dec 1999
8-Month
49.3°F
(9.6°C)
47.6°F
(8.7°C)
1.7°F
(0.9°C)
108th Coolest Coolest since: 1998 1916
18th Warmest Warmest since: 1994 2012
Apr–Dec 1999
9-Month
47.9°F
(8.8°C)
46.6°F
(8.1°C)
1.3°F
(0.7°C)
98th Coolest Coolest since: 1997 1916
28th Warmest Warmest since: 1998 2012
Mar–Dec 1999
10-Month
46.5°F
(8.1°C)
44.8°F
(7.1°C)
1.7°F
(1.0°C)
107th Coolest Coolest since: 1998 1912
19th Warmest Warmest since: 1994 2012
Ties: 1900, 2004
Feb–Dec 1999
11-Month
44.8°F
(7.1°C)
42.7°F
(5.9°C)
2.1°F
(1.2°C)
114th Coolest Coolest since: 1998 1912
12th Warmest Warmest since: 1988 2012
Ties: 1954
Jan–Dec 1999
12-Month
43.2°F
(6.2°C)
40.8°F
(4.9°C)
2.4°F
(1.3°C)
119th Coolest Coolest since: 1998 1895
7th Warmest Warmest since: 1981 2012
Ties: 2001, 2006, 2017
Jul 1998–Dec 1999
18-Month
44.9°F
(7.2°C)
42.4°F
(5.8°C)
2.5°F
(1.4°C)
119th Coolest Coolest since: 1998 1912
6th Warmest Warmest since: 1981 1934
Jan 1998–Dec 1999
24-Month
42.8°F
(6.0°C)
40.7°F
(4.8°C)
2.1°F
(1.2°C)
114th Coolest Coolest since: 1998 1917
11th Warmest Warmest since: 1981 2016
Ties: 1935, 1981, 2000, 2018
Jan 1997–Dec 1999
36-Month
42.3°F
(5.7°C)
40.7°F
(4.8°C)
1.6°F
(0.9°C)
106th Coolest Coolest since: 1998 1913, 1917, 1918
18th Warmest Warmest since: 1988 2017
Ties: 2004
Jan 1996–Dec 1999
48-Month
42.0°F
(5.6°C)
40.7°F
(4.8°C)
1.3°F
(0.8°C)
101st Coolest Coolest since: 1998 1898
22nd Warmest Warmest since: 1990 2018
Ties: 2009
Jan 1995–Dec 1999
60-Month
41.9°F
(5.5°C)
40.7°F
(4.8°C)
1.2°F
(0.7°C)
100th Coolest Coolest since: 1998 1899
22nd Warmest Warmest since: 1998 2016
Ties: 1998, 2012

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2020, retrieved on August 7, 2020 from https://www.ncdc.noaa.gov/cag/