| Monthly Observation SummaryMay 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 | 85 | 45 | 0.00 | 0.00 | 13.42 | 0.00 | 14 | 80 | 20:15 | 30.01 | 30.18 | 23 | 100 |
| 2 | 88 | 51 | 0.00 | 0.00 | 13.42 | 0.00 | 14 | 80 | 20:16 | 29.99 | 30.10 | 24 | 100 |
| 3 | 90 | 55 | 0.00 | 0.00 | 13.42 | 0.00 | 13 | 79 | 20:19 | 30.07 | 30.20 | 22 | 100 |
| 4 | 90 | 63 | 0.00 | 0.00 | 13.42 | 0.00 | 18 | 77 | 20:18 | 29.98 | 30.13 | 30 | 80 |
| 5 | 80 | 56 | 0.00 | 0.00 | 13.42 | 0.00 | 27 | 78 | 20:21 | 29.93 | 30.16 | 42 | 76 |
| 6 | 67 | 45 | 0.00 | 0.00 | 13.42 | 0.00 | 22 | 81 | 20:21 | 30.16 | 30.43 | 41 | 82 |
| 7 | 67 | 38 | 0.00 | 0.00 | 13.42 | 0.00 | 20 | 78 | 20:23 | 30.40 | 30.51 | 31 | 100 |
| 8 | 72 | 43 | 0.00 | 0.00 | 13.42 | 0.00 | 16 | 77 | 20:24 | 30.24 | 30.46 | 40 | 100 |
| 9 | 76 | 55 | 0.00 | 0.00 | 13.42 | 0.00 | 15 | 79 | 20:25 | 30.13 | 30.27 | 37 | 100 |
| 10 | 83 | 55 | 0.00 | 0.00 | 13.42 | 0.00 | 16 | 78 | 20:26 | 30.07 | 30.20 | 25 | 73 |
| 11 | 87 | 58 | 0.00 | 0.00 | 13.42 | 0.00 | 17 | 79 | 20:26 | 29.96 | 30.10 | 26 | 81 |
| 12 | 80 | 57 | 0.00 | 0.00 | 13.42 | 0.00 | 29 | 81 | 20:29 | 29.91 | 30.07 | 46 | 71 |
| 13 | 67 | 49 | 0.00 | 0.00 | 13.42 | 0.00 | 26 | 79 | 20:30 | 30.05 | 30.16 | 23 | 80 |
| 14 | 69 | 44 | 0.00 | 0.00 | 13.42 | 0.00 | 32 | 80 | 20:29 | 30.07 | 30.21 | 24 | 65 |
| 15 | 70 | 45 | 0.00 | 0.00 | 13.42 | 0.00 | 17 | 78 | 20:30 | 29.85 | 30.09 | 23 | 88 |
| 16 | 72 | 46 | 0.00 | 0.00 | 13.42 | 0.00 | 18 | 78 | 20:31 | 29.87 | 30.04 | 38 | 82 |
| 17 | 61 | 49 | 0.00 | 0.00 | 13.42 | 0.00 | 16 | 75 | 20:26 | 29.96 | 30.09 | 63 | 92 |
| 18 | 65 | 55 | 0.13 | 0.13 | 13.55 | 0.60 | 10 | 75 | 20:24 | 29.91 | 29.99 | 81 | 100 |
| 19 | 79 | 59 | 0.17 | 0.30 | 13.72 | 0.12 | 13 | 77 | 20:35 | 29.84 | 29.93 | 58 | 100 |
| 20 | 67 | 54 | 0.42 | 0.72 | 14.14 | 0.36 | 19 | 67 | 20:25 | 29.90 | 30.09 | 80 | 100 |
| 21 | 59 | 53 | 0.96 | 1.68 | 15.10 | 1.12 | 16 | 59 | 20:24 | 29.87 | 30.07 | 100 | 100 |
| 22 | 77 | 58 | 1.33 | 3.01 | 16.43 | 0.76 | 15 | 79 | 20:06 | 29.74 | 29.88 | 66 | 100 |
| 23 | 74 | 55 | 0.00 | 3.01 | 16.43 | 0.00 | 21 | 80 | 20:40 | 29.82 | 29.95 | 30 | 99 |
| 24 | 80 | 49 | 0.00 | 3.01 | 16.43 | 0.00 | 19 | 79 | 20:40 | 29.91 | 30.04 | 34 | 99 |
| 25 | 72 | 58 | 0.11 | 3.12 | 16.54 | 0.24 | 19 | 81 | 20:41 | 30.02 | 30.12 | 67 | 100 |
| 26 | 61 | 58 | 1.79 | 4.91 | 18.33 | 1.00 | 17 | 65 | 20:36 | 29.95 | 30.10 | 98 | 100 |
| 27 | 76 | 58 | 0.31 | 5.22 | 18.64 | 0.84 | 27 | 81 | 20:41 | 29.79 | 29.96 | 55 | 100 |
| 28 | 75 | 55 | 0.01 | 5.23 | 18.65 | 0.04 | 17 | 80 | 20:41 | 29.82 | 29.95 | 35 | 100 |
| 29 | 75 | 54 | 0.00 | 5.23 | 18.65 | 0.00 | 19 | 81 | 20:44 | 29.90 | 29.96 | 44 | 95 |
| 30 | 67 | 52 | 0.01 | 5.24 | 18.66 | 0.04 | 28 | 81 | 20:44 | 29.95 | 30.09 | 26 | 82 |
| 31 | 70 | 45 | 0.00 | 5.24 | 18.66 | 0.00 | 18 | 80 | 20:43 | 30.04 | 30.18 | 24 | 82 |
| Avg. | 74.2 | 52.2 | |||||||||||
| Max. | 90 | 1.79 | 1.12 | 32 | 81 | 30.51 | 100 | 100 | |||||
| Min. | 38 | 10 | 59 | 29.74 | 22 | 65 | |||||||