| Monthly Observation SummaryJuly 1997 | |||||||||||||
| 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 | 76 | 69 | 0.06 | 0.06 | 20.26 | 0.16 | 15 | 71 | 20:46 | 29.84 | 30.01 | 75 | 100 |
| 2 | 81 | 67 | 0.08 | 0.14 | 20.34 | 0.28 | 11 | 78 | 20:51 | 29.76 | 29.85 | 76 | 100 |
| 3 | 93 | 72 | 0.00 | 0.14 | 20.34 | 0.00 | 18 | 84 | 20:56 | 29.63 | 29.79 | 34 | 100 |
| 4 | 90 | 71 | 0.00 | 0.14 | 20.34 | 0.00 | 24 | 84 | 20:58 | 29.66 | 29.84 | 35 | 70 |
| 5 | 82 | 65 | 0.00 | 0.14 | 20.34 | 0.00 | 16 | 83 | 20:49 | 29.82 | 30.02 | 37 | 71 |
| 6 | 86 | 62 | 0.00 | 0.14 | 20.34 | 0.00 | 13 | 83 | 20:56 | 29.99 | 30.12 | 35 | 84 |
| 7 | 88 | 65 | 0.00 | 0.14 | 20.34 | 0.00 | 14 | 82 | 20:54 | 30.04 | 30.13 | 35 | 97 |
| 8 | 91 | 63 | 0.00 | 0.14 | 20.34 | 0.00 | 21 | 83 | 20:53 | 30.01 | 30.21 | 33 | 92 |
| 9 | 92 | 68 | 0.00 | 0.14 | 20.34 | 0.00 | 35 | 83 | 20:56 | 29.87 | 30.02 | 35 | 97 |
| 10 | 82 | 62 | 0.05 | 0.19 | 20.39 | 0.16 | 19 | 83 | 20:55 | 29.95 | 30.15 | 34 | 100 |
| 11 | 88 | 59 | 0.00 | 0.19 | 20.39 | 0.00 | 14 | 83 | 20:55 | 30.12 | 30.26 | 23 | 92 |
| 12 | 90 | 59 | 0.00 | 0.19 | 20.39 | 0.00 | 14 | 83 | 20:55 | 30.02 | 30.18 | 31 | 99 |
| 13 | 94 | 67 | 0.00 | 0.19 | 20.39 | 0.00 | 14 | 82 | 20:53 | 29.91 | 30.04 | 31 | 85 |
| 14 | 95 | 72 | 0.00 | 0.19 | 20.39 | 0.00 | 14 | 82 | 20:52 | 29.90 | 30.02 | 36 | 75 |
| 15 | 98 | 71 | 0.00 | 0.19 | 20.39 | 0.00 | 12 | 82 | 20:50 | 29.91 | 30.02 | 31 | 95 |
| 16 | 96 | 75 | 0.00 | 0.19 | 20.39 | 0.00 | 16 | 82 | 20:49 | 29.93 | 30.02 | 35 | 83 |
| 17 | 97 | 70 | 0.00 | 0.19 | 20.39 | 0.00 | 16 | 83 | 20:49 | 29.84 | 29.99 | 30 | 95 |
| 18 | 97 | 72 | 0.02 | 0.21 | 20.41 | 0.04 | 28 | 84 | 20:48 | 29.76 | 29.93 | 31 | 83 |
| 19 | 92 | 70 | 0.00 | 0.21 | 20.41 | 0.00 | 19 | 84 | 20:49 | 29.82 | 30.01 | 22 | 84 |
| 20 | 86 | 61 | 0.00 | 0.21 | 20.41 | 0.00 | 14 | 83 | 20:49 | 30.01 | 30.18 | 30 | 81 |
| 21 | 91 | 67 | 0.00 | 0.21 | 20.41 | 0.00 | 16 | 82 | 20:46 | 29.98 | 30.10 | 54 | 100 |
| 22 | 85 | 72 | 0.00 | 0.21 | 20.41 | 0.00 | 16 | 81 | 20:38 | 29.96 | 30.10 | 54 | 96 |
| 23 | 72 | 63 | 0.58 | 0.79 | 20.99 | 0.60 | 17 | 69 | 20:33 | 30.07 | 30.15 | 93 | 100 |
| 24 | 66 | 62 | 0.19 | 0.98 | 21.18 | 0.36 | 18 | 72 | 20:37 | 30.01 | 30.10 | 92 | 100 |
| 25 | 79 | 61 | 0.00 | 0.98 | 21.18 | 0.00 | 15 | 83 | 20:38 | 29.99 | 30.09 | 58 | 100 |
| 26 | 89 | 63 | 0.00 | 0.98 | 21.18 | 0.00 | 12 | 82 | 20:42 | 29.90 | 30.02 | 45 | 100 |
| 27 | 95 | 71 | 0.00 | 0.98 | 21.18 | 0.00 | 16 | 82 | 20:39 | 29.80 | 29.91 | 48 | 100 |
| 28 | 96 | 73 | 0.20 | 1.18 | 21.38 | 1.08 | 41 | 84 | 20:36 | 29.82 | 29.91 | 43 | 98 |
| 29 | 82 | 66 | 0.00 | 1.18 | 21.38 | 0.00 | 19 | 84 | 20:41 | 29.88 | 30.13 | 38 | 95 |
| 30 | 83 | 58 | 0.00 | 1.18 | 21.38 | 0.00 | 19 | 83 | 20:41 | 30.13 | 30.27 | 25 | 73 |
| 31 | 88 | 55 | 0.00 | 1.18 | 21.38 | 0.00 | 13 | 83 | 20:40 | 30.20 | 30.31 | 26 | 91 |
| Avg. | 87.7 | 66.2 | |||||||||||
| Max. | 98 | 0.58 | 1.08 | 41 | 84 | 30.31 | 93 | 100 | |||||
| Min. | 55 | 11 | 69 | 29.63 | 22 | 70 | |||||||