Climatological Rankings
Look up monthly U.S., Statewide, Divisional
, and Regional
Temperature, Precipitation, Degree Days, and Palmer (Drought) rankings for 1-12, 18, 24, 36, 48, 60-month, and Year-to-Date time periods. Data and statistics are as of January 1895.
Please note, Degree Days are not available for Agricultural Belts
Contiguous U.S. Temperature Rankings, December 1978
Coldest
≤1⁄10
≤1⁄3
Normal
≥1⁄3
≥1⁄10
Warmest
More information on Climatological Rankings
| Period | Temp | 20th Century Average |
Departure | Rank (out of 119 years) |
Record | Warmest/Coldest Since |
|---|---|---|---|---|---|---|
| Dec 1978 1-month period |
29.97°F (-1.13°C) |
32.92°F (0.51°C) |
-2.95°F (-1.64°C) |
18th Coldest | 1983 | Coldest since: 1972 |
| 101st Warmest | 1939 | Warmest since: 1977 |


