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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| 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/