| Monthly Observation SummaryDecember 1996 | |||||||||||||
| Station "APLMD" (JHU/Applied Physics Laboratory), Laurel, MD (39°10'02"N, 76°53'52"W, 438 ft) | |||||||||||||
| Day | Max. Temp. | Min. Temp. | Rain Day | Rain Month | Rain Year | Max. Rn Rate | Peak Gust | Max. Light | Last Light | Min. Press. | Max. Press. | Min. RH | Max. RH |
| (°F) | (°F) | (in.) | (in.) | (in.) | (in./hr) | (mph) | (in.) | (in.) | (%) | (%) | |||
| 1 | 61 | 39 | 2.20 | 2.20 | 38.42 | 0.40 | 31 | 36 | 16:51 | 29.51 | 30.05 | 92 | 100 |
| 2 | 53 | 32 | 0.36 | 2.56 | 38.78 | 0.28 | 30 | 56 | 17:07 | 29.52 | 30.09 | 46 | 100 |
| 3 | 49 | 29 | 0.00 | 2.56 | 38.78 | 0.00 | 19 | 65 | 17:07 | 29.95 | 30.13 | 67 | 100 |
| 4 | 47 | 35 | 0.00 | 2.56 | 38.78 | 0.00 | 25 | 63 | 17:07 | 29.95 | 30.21 | 58 | 100 |
| 5 | 40 | 27 | 0.64 | 3.20 | 39.42 | 0.40 | 13 | 61 | 16:56 | 29.62 | 30.21 | 83 | 100 |
| 6 | 43 | 34 | 0.55 | 3.75 | 39.97 | 0.36 | 25 | 67 | 17:03 | 29.55 | 29.84 | 60 | 100 |
| 7 | 40 | 32 | 0.66 | 4.41 | 40.63 | 0.24 | 13 | 57 | 16:55 | 29.60 | 29.80 | 83 | 100 |
| 8 | 50 | 31 | 0.04 | 4.45 | 40.67 | 0.04 | 23 | 54 | 17:04 | 29.57 | 29.66 | 37 | 100 |
| 9 | 40 | 30 | 0.00 | 4.45 | 40.67 | 0.00 | 26 | 65 | 17:07 | 29.66 | 30.07 | 52 | 96 |
| 10 | 43 | 30 | 0.00 | 4.45 | 40.67 | 0.00 | 16 | 64 | 17:05 | 29.85 | 30.12 | 48 | 81 |
| 11 | 41 | 34 | 0.29 | 4.74 | 40.96 | 0.12 | 6 | 60 | 17:01 | 29.80 | 29.91 | 69 | 100 |
| 12 | 48 | 38 | 0.07 | 4.81 | 41.03 | 0.16 | 13 | 61 | 16:56 | 29.90 | 30.02 | 100 | 100 |
| 13 | 50 | 40 | 2.65 | 7.46 | 43.68 | 0.48 | 21 | 45 | 16:52 | 29.90 | 30.04 | 100 | 100 |
| 14 | 43 | 36 | 0.00 | 7.46 | 43.68 | 0.00 | 27 | 65 | 17:05 | 30.01 | 30.24 | 81 | 100 |
| 15 | 46 | 33 | 0.00 | 7.46 | 43.68 | 0.00 | 15 | 67 | 17:07 | 30.23 | 30.32 | 69 | 99 |
| 16 | 42 | 40 | 0.00 | 7.46 | 43.68 | 0.00 | 6 | 42 | 17:01 | 29.95 | 30.23 | 93 | 100 |
| 17 | 48 | 42 | 0.06 | 7.52 | 43.74 | 0.12 | 16 | 57 | 16:59 | 29.73 | 29.95 | 98 | 100 |
| 18 | 49 | 39 | 0.08 | 7.60 | 43.82 | 0.12 | 13 | 62 | 17:03 | 29.79 | 29.90 | 87 | 100 |
| 19 | 39 | 22 | 0.27 | 7.87 | 44.09 | 0.12 | 34 | 49 | 17:01 | 29.63 | 29.90 | 60 | 100 |
| 20 | 26 | 17 | 0.00 | 7.87 | 44.09 | 0.00 | 26 | 49 | 17:10 | 29.90 | 30.37 | 52 | 72 |
| 21 | 31 | 13 | 0.00 | 7.87 | 44.09 | 0.00 | 12 | 49 | 17:08 | 30.35 | 30.49 | 46 | 97 |
| 22 | 40 | 21 | 0.00 | 7.87 | 44.09 | 0.00 | 12 | 53 | 16:58 | 30.20 | 30.38 | 49 | 100 |
| 23 | 49 | 32 | 0.00 | 7.87 | 44.09 | 0.00 | 12 | 58 | 17:08 | 29.99 | 30.24 | 54 | 87 |
| 24 | 57 | 35 | 0.27 | 8.14 | 44.36 | 0.12 | 31 | 42 | 17:00 | 29.66 | 29.99 | 60 | 100 |
| 25 | 36 | 26 | 0.00 | 8.14 | 44.36 | 0.00 | 32 | 47 | 17:10 | 29.90 | 30.29 | 48 | 69 |
| 26 | 36 | 24 | 0.00 | 8.14 | 44.36 | 0.00 | 8 | 58 | 17:10 | 30.13 | 30.42 | 65 | 94 |
| 27 | 53 | 33 | 0.04 | 8.18 | 44.40 | 0.04 | 9 | 53 | 17:14 | 30.10 | 30.20 | 48 | 100 |
| 28 | 46 | 37 | 0.00 | 8.18 | 44.40 | 0.00 | 13 | 52 | 17:08 | 29.99 | 30.15 | 79 | 100 |
| 29 | 60 | 45 | 0.04 | 8.22 | 44.44 | 0.12 | 13 | 61 | 17:14 | 29.87 | 30.01 | 73 | 100 |
| 30 | 59 | 40 | 0.00 | 8.22 | 44.44 | 0.00 | 19 | 57 | 17:15 | 29.99 | 30.18 | 52 | 96 |
| 31 | 49 | 29 | 0.00 | 8.22 | 44.44 | 0.00 | 19 | 61 | 17:12 | 29.93 | 30.27 | 77 | 100 |
| Avg. | 45.6 | 32.1 | |||||||||||
| Max. | 61 | 2.65 | 0.48 | 34 | 67 | 30.49 | 100 | 100 | |||||
| Min. | 13 | 6 | 36 | 29.51 | 37 | 69 | |||||||