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| Temperature | |
| Highest Maximum: | 83°F - December 5 |
| Lowest Minimum: | 36°F - December 30 |
| Average Maximum: | 68°F - Normal 72°F |
| Average Minimum: | 49°F - Normal 55°F |
| Mean: | 58°F - Normal 64°F | Relative Humidity |
| Highest Observed: | 100% - 14 of 31 days |
| Lowest Observed: | 26% - December 16 |
| Average High Humidity: | 98% |
| Average Low Humidity: | 56% |
| Average Relative Humidity: | 82% - Normal 80% | Winds |
| Peak Wind Speed/Direction: | 39 mph/SE - December 31 |
| Observed Monthly Average: | 7 mph |
| Normal Monthly Average: | 7 mph | Visibility/Cloud Ceiling |
| Lowest Visibility: | 660 feet - 1/8 mile - December 10 |
| Lowest Ceiling: | 0 feet - Sky obscured - December 2, 16, 21, 29 | Precipitation |
| Total for the Month: | 10.10 inches |
| Normal for the Month: | 2.38 inches |
| Precipitation Days Normally Expected: | 8 |
| Precipitation Days Observed: | 10 | Fog |
| Fog Days Normally Expected: | 12 |
| Fog Days Observed: | 13 | Thunderstorms |
| Thunderstorm Days Normally Expected: | 1 | Thunderstorm Days Observed: | 4 |