| Monthly Observation SummaryDecember 2000 | |||||||||||||
| 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 | 43 | 31 | 0.00 | 0.00 | 42.37 | 0.00 | 15 | 64 | 16:58 | 30.16 | 30.29 | 54 | 85 |
| 2 | 36 | 24 | 0.00 | 0.00 | 42.37 | 0.00 | 18 | 64 | 17:03 | 30.26 | 30.49 | 42 | 80 |
| 3 | 33 | 18 | 0.00 | 0.00 | 42.37 | 0.00 | 17 | 65 | 17:03 | 30.42 | 30.56 | 43 | 84 |
| 4 | 47 | 22 | 0.00 | 0.00 | 42.37 | 0.00 | 14 | 60 | 17:02 | 30.15 | 30.43 | 20 | 75 |
| 5 | 49 | 28 | 0.00 | 0.00 | 42.37 | 0.00 | 33 | 62 | 17:01 | 29.91 | 30.16 | 36 | 56 |
| 6 | 31 | 22 | 0.00 | 0.00 | 42.37 | 0.00 | 19 | 60 | 17:00 | 29.88 | 30.24 | 37 | 71 |
| 7 | 37 | 27 | 0.00 | 0.00 | 42.37 | 0.00 | 27 | 64 | 17:04 | 29.84 | 29.98 | 40 | 76 |
| 8 | 43 | 31 | 0.00 | 0.00 | 42.37 | 0.00 | 18 | 56 | 17:00 | 29.87 | 30.15 | 54 | 81 |
| 9 | 40 | 27 | 0.00 | 0.00 | 42.37 | 0.00 | 20 | 58 | 17:03 | 30.13 | 30.40 | 38 | 71 |
| 10 | 35 | 22 | 0.05 | 0.05 | 42.42 | 0.04 | 8 | 55 | 16:54 | 30.15 | 30.38 | 71 | 100 |
| 11 | 40 | 28 | 0.00 | 0.05 | 42.42 | 0.00 | 19 | 60 | 16:55 | 29.69 | 30.18 | 88 | 100 |
| 12 | 49 | 26 | 0.00 | 0.05 | 42.42 | 0.00 | 46 | 63 | 17:01 | 29.52 | 30.48 | 41 | 100 |
| 13 | 33 | 19 | 0.03 | 0.08 | 42.45 | 0.04 | 16 | 64 | 17:00 | 30.31 | 30.65 | 40 | 100 |
| 14 | 38 | 28 | 0.69 | 0.77 | 43.14 | 1.20 | 22 | 58 | 17:05 | 30.07 | 30.35 | 77 | 100 |
| 15 | 41 | 27 | 0.00 | 0.77 | 43.14 | 0.00 | 17 | 62 | 17:03 | 30.34 | 30.54 | 53 | 100 |
| 16 | 41 | 27 | 0.25 | 1.02 | 43.39 | 0.16 | 11 | 49 | 16:49 | 29.76 | 30.43 | 95 | 100 |
| 17 | 59 | 24 | 2.26 | 3.28 | 45.65 | 3.12 | 41 | 65 | 17:05 | 29.35 | 29.88 | 52 | 100 |
| 18 | 33 | 22 | 0.00 | 3.28 | 45.65 | 0.00 | 33 | 60 | 17:07 | 29.88 | 30.13 | 49 | 92 |
| 19 | 33 | 23 | 0.15 | 3.43 | 45.80 | 0.04 | 34 | 51 | 16:55 | 29.68 | 29.98 | 75 | 100 |
| 20 | 28 | 14 | 0.00 | 3.43 | 45.80 | 0.00 | 33 | 59 | 17:05 | 29.73 | 30.24 | 47 | 92 |
| 21 | 36 | 9 | 0.00 | 3.43 | 45.80 | 0.00 | 19 | 64 | 17:04 | 30.05 | 30.26 | 46 | 100 |
| 22 | 31 | 10 | 0.00 | 3.43 | 45.80 | 0.00 | 31 | 65 | 17:08 | 29.96 | 30.37 | 42 | 94 |
| 23 | 28 | 9 | 0.00 | 3.43 | 45.80 | 0.00 | 23 | 60 | 17:09 | 30.35 | 30.49 | 47 | 88 |
| 24 | 41 | 14 | 0.00 | 3.43 | 45.80 | 0.00 | 24 | 61 | 17:09 | 30.09 | 30.38 | 33 | 91 |
| 25 | 22 | 14 | 0.00 | 3.43 | 45.80 | 0.00 | 26 | 55 | 17:09 | 30.27 | 30.56 | 46 | 69 |
| 26 | 26 | 12 | 0.00 | 3.43 | 45.80 | 0.00 | 21 | 59 | 17:07 | 30.21 | 30.56 | 46 | 78 |
| 27 | 31 | 19 | 0.00 | 3.43 | 45.80 | 0.00 | 21 | 64 | 17:08 | 29.91 | 30.23 | 52 | 76 |
| 28 | 26 | 19 | 0.00 | 3.43 | 45.80 | 0.00 | 35 | 58 | 17:09 | 29.90 | 30.04 | 44 | 75 |
| 29 | 31 | 15 | 0.00 | 3.43 | 45.80 | 0.00 | 13 | 64 | 17:08 | 29.80 | 29.98 | 51 | 84 |
| 30 | 31 | 17 | 0.00 | 3.43 | 45.80 | 0.00 | 29 | 64 | 17:11 | 29.63 | 29.84 | 53 | 90 |
| 31 | 34 | 19 | 0.00 | 3.43 | 45.80 | 0.00 | 34 | 61 | 17:13 | 29.73 | 30.07 | 45 | 71 |
| Avg. | 36.3 | 20.9 | |||||||||||
| Max. | 59 | 2.26 | 3.12 | 46 | 65 | 30.65 | 95 | 100 | |||||
| Min. | 9 | 8 | 49 | 29.35 | 20 | 56 | |||||||