| Monthly Observation SummaryJuly 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 | 90 | 69 | 0.01 | 0.01 | 23.60 | 0.04 | 22 | 80 | 20:50 | 29.88 | 30.02 | 51 | 96 |
| 2 | 74 | 55 | 0.00 | 0.01 | 23.60 | 0.00 | 26 | 81 | 21:00 | 29.99 | 30.31 | 32 | 90 |
| 3 | 79 | 52 | 0.00 | 0.01 | 23.60 | 0.00 | 21 | 82 | 20:59 | 30.15 | 30.32 | 45 | 98 |
| 4 | 87 | 67 | 0.49 | 0.50 | 24.09 | 0.48 | 14 | 81 | 20:49 | 29.93 | 30.16 | 51 | 100 |
| 5 | 84 | 65 | 0.04 | 0.54 | 24.13 | 0.12 | 31 | 81 | 20:58 | 29.88 | 29.98 | 51 | 100 |
| 6 | 79 | 57 | 0.00 | 0.54 | 24.13 | 0.00 | 21 | 81 | 20:57 | 29.95 | 30.20 | 35 | 90 |
| 7 | 84 | 55 | 0.00 | 0.54 | 24.13 | 0.00 | 21 | 79 | 20:55 | 30.04 | 30.23 | 37 | 99 |
| 8 | 85 | 65 | 0.57 | 1.11 | 24.70 | 1.44 | 24 | 75 | 20:57 | 29.85 | 30.04 | 64 | 100 |
| 9 | 88 | 68 | 0.02 | 1.13 | 24.72 | 0.36 | 17 | 80 | 20:58 | 29.84 | 29.95 | 35 | 100 |
| 10 | 92 | 69 | 0.09 | 1.22 | 24.81 | 0.28 | 30 | 78 | 20:59 | 29.76 | 29.88 | 39 | 100 |
| 11 | 84 | 68 | 0.00 | 1.22 | 24.81 | 0.00 | 25 | 80 | 20:56 | 29.71 | 29.93 | 33 | 99 |
| 12 | 82 | 60 | 0.00 | 1.22 | 24.81 | 0.00 | 18 | 80 | 20:58 | 29.91 | 30.05 | 41 | 80 |
| 13 | 80 | 58 | 0.00 | 1.22 | 24.81 | 0.00 | 20 | 80 | 20:56 | 29.96 | 30.05 | 36 | 91 |
| 14 | 82 | 60 | 0.00 | 1.22 | 24.81 | 0.00 | 19 | 80 | 20:55 | 29.95 | 30.01 | 38 | 77 |
| 15 | 86 | 61 | 0.00 | 1.22 | 24.81 | 0.00 | 16 | 80 | 20:54 | 29.98 | 30.10 | 35 | 88 |
| 16 | 88 | 64 | 0.00 | 1.22 | 24.81 | 0.00 | 13 | 80 | 20:55 | 30.07 | 30.16 | 39 | 87 |
| 17 | 91 | 66 | 0.00 | 1.22 | 24.81 | 0.00 | 13 | 78 | 20:52 | 30.05 | 30.15 | 37 | 96 |
| 18 | 78 | 68 | 0.50 | 1.72 | 25.31 | 0.28 | 13 | 72 | 20:51 | 30.02 | 30.12 | 60 | 100 |
| 19 | 81 | 65 | 0.00 | 1.72 | 25.31 | 0.00 | 16 | 82 | 20:51 | 30.10 | 30.21 | 51 | 100 |
| 20 | 82 | 60 | 0.00 | 1.72 | 25.31 | 0.00 | 15 | 82 | 20:51 | 30.15 | 30.26 | 43 | 100 |
| 21 | 86 | 57 | 0.00 | 1.72 | 25.31 | 0.00 | 16 | 80 | 20:49 | 30.05 | 30.18 | 32 | 100 |
| 22 | 87 | 57 | 0.00 | 1.72 | 25.31 | 0.00 | 16 | 80 | 20:48 | 30.02 | 30.13 | 34 | 100 |
| 23 | 91 | 63 | 0.00 | 1.72 | 25.31 | 0.00 | 15 | 80 | 20:47 | 30.01 | 30.13 | 40 | 100 |
| 24 | 94 | 72 | 0.00 | 1.72 | 25.31 | 0.00 | 16 | 80 | 20:46 | 29.93 | 30.07 | 49 | 100 |
| 25 | 94 | 75 | 0.00 | 1.72 | 25.31 | 0.00 | 24 | 78 | 20:43 | 29.93 | 30.01 | 51 | 90 |
| 26 | 87 | 65 | 0.08 | 1.80 | 25.39 | 0.12 | 21 | 76 | 20:42 | 29.90 | 30.16 | 61 | 99 |
| 27 | 81 | 63 | 0.00 | 1.80 | 25.39 | 0.00 | 16 | 78 | 20:44 | 30.13 | 30.34 | 36 | 99 |
| 28 | 80 | 58 | 0.00 | 1.80 | 25.39 | 0.00 | 19 | 80 | 20:41 | 30.21 | 30.35 | 43 | 100 |
| 29 | 68 | 58 | 0.97 | 2.77 | 26.36 | 0.40 | 14 | 64 | 20:37 | 30.05 | 30.24 | 73 | 100 |
| 30 | 82 | 63 | 0.09 | 2.86 | 26.45 | 0.12 | 13 | 80 | 20:43 | 30.04 | 30.23 | 48 | 100 |
| 31 | 84 | 62 | 0.00 | 2.86 | 26.45 | 0.00 | 14 | 81 | 20:41 | 30.18 | 30.35 | 52 | 100 |
| Avg. | 84.2 | 62.7 | |||||||||||
| Max. | 94 | 0.97 | 1.44 | 31 | 82 | 30.35 | 73 | 100 | |||||
| Min. | 52 | 13 | 64 | 29.71 | 32 | 77 | |||||||