| Monthly Observation SummaryFebruary 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 | 47 | 34 | 0.00 | 0.00 | 3.37 | 0.00 | 22 | 71 | 17:42 | 29.82 | 30.13 | 43 | 82 |
| 2 | 50 | 23 | 0.00 | 0.00 | 3.37 | 0.00 | 36 | 71 | 17:47 | 29.77 | 30.12 | 38 | 88 |
| 3 | 33 | 21 | 0.00 | 0.00 | 3.37 | 0.00 | 26 | 69 | 17:47 | 30.09 | 30.29 | 39 | 69 |
| 4 | 45 | 18 | 0.00 | 0.00 | 3.37 | 0.00 | 19 | 70 | 17:47 | 30.07 | 30.31 | 40 | 94 |
| 5 | 37 | 31 | 0.77 | 0.77 | 4.14 | 0.24 | 18 | 67 | 17:49 | 29.76 | 30.07 | 73 | 100 |
| 6 | 46 | 34 | 0.00 | 0.77 | 4.14 | 0.00 | 21 | 64 | 17:49 | 29.85 | 30.02 | 52 | 80 |
| 7 | 50 | 31 | 0.00 | 0.77 | 4.14 | 0.00 | 17 | 67 | 17:51 | 30.02 | 30.37 | 34 | 82 |
| 8 | 52 | 29 | 0.00 | 0.77 | 4.14 | 0.00 | 16 | 70 | 17:51 | 30.18 | 30.43 | 48 | 93 |
| 9 | 69 | 31 | 0.00 | 0.77 | 4.14 | 0.00 | 43 | 71 | 17:48 | 29.66 | 30.20 | 48 | 100 |
| 10 | 61 | 29 | 0.00 | 0.77 | 4.14 | 0.00 | 43 | 70 | 17:56 | 29.57 | 30.29 | 30 | 77 |
| 11 | 34 | 22 | 0.00 | 0.77 | 4.14 | 0.00 | 24 | 69 | 17:54 | 30.27 | 30.59 | 32 | 68 |
| 12 | 40 | 22 | 0.11 | 0.88 | 4.25 | 0.04 | 19 | 71 | 17:46 | 30.31 | 30.60 | 38 | 100 |
| 13 | 52 | 31 | 0.00 | 0.88 | 4.25 | 0.00 | 14 | 70 | 17:56 | 30.20 | 30.34 | 61 | 100 |
| 14 | 51 | 40 | 0.10 | 0.98 | 4.35 | 0.12 | 20 | 50 | 17:45 | 29.68 | 30.21 | 84 | 100 |
| 15 | 55 | 41 | 0.18 | 1.16 | 4.53 | 0.24 | 20 | 62 | 17:55 | 29.65 | 30.07 | 88 | 100 |
| 16 | 41 | 37 | 0.99 | 2.15 | 5.52 | 0.28 | 9 | 53 | 17:52 | 29.76 | 30.09 | 78 | 100 |
| 17 | 41 | 22 | 0.04 | 2.19 | 5.56 | 0.04 | 36 | 73 | 18:03 | 29.74 | 30.34 | 39 | 100 |
| 18 | 34 | 17 | 0.00 | 2.19 | 5.56 | 0.00 | 20 | 73 | 18:04 | 30.29 | 30.45 | 34 | 63 |
| 19 | 47 | 18 | 0.00 | 2.19 | 5.56 | 0.00 | 26 | 70 | 18:04 | 30.12 | 30.40 | 34 | 86 |
| 20 | 63 | 37 | 0.00 | 2.19 | 5.56 | 0.00 | 21 | 73 | 18:05 | 29.93 | 30.16 | 29 | 66 |
| 21 | 51 | 24 | 0.00 | 2.19 | 5.56 | 0.00 | 32 | 72 | 18:07 | 29.93 | 30.37 | 28 | 71 |
| 22 | 24 | 18 | 0.28 | 2.47 | 5.84 | 0.04 | 16 | 58 | 18:03 | 30.02 | 30.38 | 38 | 100 |
| 23 | 45 | 19 | 0.00 | 2.47 | 5.84 | 0.00 | 24 | 73 | 18:08 | 30.02 | 30.37 | 48 | 99 |
| 24 | 41 | 25 | 0.00 | 2.47 | 5.84 | 0.00 | 14 | 75 | 18:06 | 30.34 | 30.60 | 34 | 81 |
| 25 | 52 | 31 | 0.13 | 2.60 | 5.97 | 0.24 | 33 | 53 | 18:06 | 29.77 | 30.38 | 81 | 100 |
| 26 | 52 | 35 | 0.00 | 2.60 | 5.97 | 0.00 | 29 | 73 | 18:12 | 29.80 | 30.24 | 41 | 100 |
| 27 | 58 | 30 | 0.00 | 2.60 | 5.97 | 0.00 | 19 | 74 | 18:11 | 29.98 | 30.26 | 26 | 81 |
| 28 | 43 | 29 | 0.00 | 2.60 | 5.97 | 0.00 | 23 | 73 | 18:13 | 29.88 | 30.09 | 30 | 84 |
| Avg. | 46.9 | 27.8 | |||||||||||
| Max. | 69 | 0.99 | 0.28 | 43 | 75 | 30.60 | 88 | 100 | |||||
| Min. | 17 | 9 | 50 | 29.57 | 26 | 63 | |||||||