| Monthly Observation SummaryMarch 2001 | |||||||||||||
| 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 | 45 | 26 | 0.00 | 0.00 | 5.97 | 0.00 | 22 | 73 | 18:12 | 29.69 | 29.93 | 23 | 56 |
| 2 | 55 | 38 | 0.00 | 0.00 | 5.97 | 0.00 | 23 | 75 | 18:15 | 29.54 | 29.71 | 32 | 75 |
| 3 | 56 | 37 | 0.00 | 0.00 | 5.97 | 0.00 | 16 | 73 | 18:15 | 29.65 | 29.87 | 44 | 87 |
| 4 | 42 | 33 | 0.58 | 0.58 | 6.55 | 0.28 | 29 | 53 | 18:10 | 29.60 | 29.90 | 71 | 100 |
| 5 | 37 | 23 | 0.19 | 0.77 | 6.74 | 0.12 | 36 | 74 | 18:20 | 29.52 | 29.65 | 54 | 100 |
| 6 | 36 | 20 | 0.00 | 0.77 | 6.74 | 0.00 | 40 | 75 | 18:16 | 29.38 | 29.66 | 55 | 86 |
| 7 | 48 | 31 | 0.00 | 0.77 | 6.74 | 0.00 | 30 | 74 | 18:21 | 29.63 | 29.98 | 38 | 81 |
| 8 | 50 | 26 | 0.00 | 0.77 | 6.74 | 0.00 | 17 | 75 | 18:22 | 29.80 | 30.04 | 37 | 90 |
| 9 | 40 | 31 | 0.06 | 0.83 | 6.80 | 0.12 | 29 | 75 | 18:23 | 29.74 | 29.95 | 36 | 100 |
| 10 | 45 | 27 | 0.00 | 0.83 | 6.80 | 0.00 | 28 | 73 | 18:24 | 29.90 | 30.04 | 34 | 76 |
| 11 | 59 | 24 | 0.00 | 0.83 | 6.80 | 0.00 | 26 | 73 | 18:26 | 29.90 | 30.12 | 24 | 90 |
| 12 | 52 | 28 | 0.35 | 1.18 | 7.15 | 0.28 | 22 | 72 | 18:22 | 29.74 | 30.26 | 26 | 100 |
| 13 | 61 | 36 | 0.11 | 1.29 | 7.26 | 0.12 | 55 | 76 | 18:27 | 29.40 | 29.76 | 33 | 100 |
| 14 | 56 | 38 | 0.00 | 1.29 | 7.26 | 0.00 | 34 | 76 | 18:28 | 29.55 | 29.93 | 29 | 67 |
| 15 | 51 | 33 | 0.36 | 1.65 | 7.62 | 0.40 | 13 | 65 | 18:25 | 29.74 | 29.98 | 42 | 100 |
| 16 | 46 | 38 | 0.08 | 1.73 | 7.70 | 0.16 | 19 | 61 | 18:20 | 29.74 | 29.90 | 82 | 100 |
| 17 | 54 | 38 | 0.11 | 1.84 | 7.81 | 0.48 | 31 | 76 | 18:32 | 29.79 | 30.01 | 61 | 100 |
| 18 | 48 | 31 | 0.00 | 1.84 | 7.81 | 0.00 | 33 | 75 | 18:33 | 29.98 | 30.32 | 29 | 71 |
| 19 | 52 | 31 | 0.00 | 1.84 | 7.81 | 0.00 | 18 | 75 | 18:33 | 30.27 | 30.38 | 23 | 55 |
| 20 | 51 | 30 | 0.18 | 2.02 | 7.99 | 0.16 | 23 | 71 | 18:24 | 30.15 | 30.40 | 28 | 100 |
| 21 | 46 | 39 | 1.38 | 3.40 | 9.37 | 0.24 | 42 | 68 | 18:23 | 29.55 | 30.16 | 100 | 100 |
| 22 | 51 | 38 | 0.01 | 3.41 | 9.38 | 0.04 | 41 | 78 | 18:35 | 29.52 | 29.76 | 53 | 100 |
| 23 | 57 | 39 | 0.00 | 3.41 | 9.38 | 0.00 | 35 | 76 | 18:37 | 29.68 | 29.85 | 27 | 59 |
| 24 | 60 | 33 | 0.00 | 3.41 | 9.38 | 0.00 | 40 | 75 | 18:39 | 29.73 | 30.01 | 28 | 63 |
| 25 | 48 | 28 | 0.00 | 3.41 | 9.38 | 0.00 | 21 | 77 | 18:39 | 29.88 | 30.07 | 28 | 71 |
| 26 | 35 | 24 | 0.00 | 3.41 | 9.38 | 0.00 | 31 | 76 | 18:40 | 29.90 | 30.16 | 28 | 74 |
| 27 | 40 | 20 | 0.00 | 3.41 | 9.38 | 0.00 | 24 | 78 | 18:42 | 30.12 | 30.29 | 33 | 69 |
| 28 | 50 | 26 | 0.00 | 3.41 | 9.38 | 0.00 | 16 | 76 | 18:40 | 30.15 | 30.34 | 27 | 83 |
| 29 | 41 | 32 | 1.66 | 5.07 | 11.04 | 0.64 | 26 | 58 | 18:23 | 29.76 | 30.24 | 77 | 100 |
| 30 | 52 | 39 | 0.54 | 5.61 | 11.58 | 0.48 | 29 | 80 | 18:42 | 29.58 | 29.77 | 65 | 100 |
| 31 | 50 | 38 | 0.06 | 5.67 | 11.64 | 0.04 | 13 | 73 | 18:42 | 29.71 | 29.84 | 67 | 96 |
| Avg. | 48.8 | 31.5 | |||||||||||
| Max. | 61 | 1.66 | 0.64 | 55 | 80 | 30.40 | 100 | 100 | |||||
| Min. | 20 | 13 | 53 | 29.38 | 23 | 55 | |||||||