| Monthly Observation SummaryOctober 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 | 68 | 44 | 0.00 | 0.00 | 27.34 | 0.00 | 24 | 80 | 19:08 | 29.76 | 30.10 | 38 | 90 |
| 2 | 65 | 36 | 0.00 | 0.00 | 27.34 | 0.00 | 13 | 78 | 19:04 | 30.05 | 30.21 | 38 | 100 |
| 3 | 73 | 42 | 0.00 | 0.00 | 27.34 | 0.00 | 16 | 81 | 19:05 | 29.99 | 30.12 | 41 | 100 |
| 4 | 82 | 54 | 0.00 | 0.00 | 27.34 | 0.00 | 11 | 78 | 19:02 | 30.04 | 30.13 | 37 | 100 |
| 5 | 85 | 55 | 0.00 | 0.00 | 27.34 | 0.00 | 13 | 77 | 19:02 | 30.04 | 30.16 | 48 | 100 |
| 6 | 86 | 63 | 0.00 | 0.00 | 27.34 | 0.00 | 18 | 78 | 19:00 | 30.09 | 30.24 | 42 | 95 |
| 7 | 86 | 62 | 0.00 | 0.00 | 27.34 | 0.00 | 9 | 77 | 18:59 | 30.13 | 30.29 | 45 | 97 |
| 8 | 82 | 57 | 0.00 | 0.00 | 27.34 | 0.00 | 11 | 77 | 18:55 | 30.24 | 30.40 | 41 | 100 |
| 9 | 85 | 57 | 0.00 | 0.00 | 27.34 | 0.00 | 13 | 76 | 18:53 | 30.21 | 30.37 | 48 | 100 |
| 10 | 82 | 64 | 0.00 | 0.00 | 27.34 | 0.00 | 20 | 78 | 18:54 | 30.18 | 30.31 | 41 | 92 |
| 11 | 71 | 49 | 0.00 | 0.00 | 27.34 | 0.00 | 12 | 77 | 18:53 | 30.26 | 30.40 | 41 | 100 |
| 12 | 72 | 43 | 0.00 | 0.00 | 27.34 | 0.00 | 12 | 77 | 18:51 | 30.24 | 30.38 | 47 | 100 |
| 13 | 75 | 47 | 0.00 | 0.00 | 27.34 | 0.00 | 18 | 76 | 18:50 | 30.16 | 30.31 | 56 | 100 |
| 14 | 79 | 57 | 0.00 | 0.00 | 27.34 | 0.00 | 24 | 78 | 18:44 | 30.10 | 30.20 | 52 | 100 |
| 15 | 62 | 50 | 0.18 | 0.18 | 27.52 | 0.24 | 21 | 65 | 18:46 | 30.18 | 30.29 | 60 | 100 |
| 16 | 62 | 48 | 0.00 | 0.18 | 27.52 | 0.00 | 18 | 78 | 18:45 | 30.21 | 30.29 | 48 | 84 |
| 17 | 53 | 47 | 0.63 | 0.81 | 28.15 | 0.28 | 11 | 66 | 18:34 | 30.15 | 30.26 | 62 | 100 |
| 18 | 57 | 47 | 0.53 | 1.34 | 28.68 | 0.28 | 11 | 74 | 18:36 | 30.07 | 30.20 | 77 | 100 |
| 19 | 56 | 46 | 0.00 | 1.34 | 28.68 | 0.00 | 18 | 60 | 18:41 | 29.90 | 30.09 | 64 | 96 |
| 20 | 66 | 47 | 0.00 | 1.34 | 28.68 | 0.00 | 24 | 75 | 18:40 | 29.88 | 30.05 | 48 | 90 |
| 21 | 59 | 40 | 0.00 | 1.34 | 28.68 | 0.00 | 20 | 75 | 18:37 | 29.98 | 30.15 | 41 | 85 |
| 22 | 50 | 37 | 0.00 | 1.34 | 28.68 | 0.00 | 23 | 76 | 18:37 | 29.96 | 30.13 | 41 | 85 |
| 23 | 53 | 31 | 0.00 | 1.34 | 28.68 | 0.00 | 18 | 74 | 18:35 | 30.10 | 30.21 | 33 | 90 |
| 24 | 53 | 33 | 0.20 | 1.54 | 28.88 | 0.12 | 17 | 71 | 18:28 | 29.98 | 30.15 | 58 | 100 |
| 25 | 55 | 47 | 0.55 | 2.09 | 29.43 | 0.40 | 18 | 73 | 18:26 | 29.85 | 30.15 | 86 | 100 |
| 26 | 48 | 41 | 0.73 | 2.82 | 30.16 | 0.24 | 13 | 56 | 17:18 | 29.74 | 30.20 | 95 | 100 |
| 27 | 59 | 42 | 0.02 | 2.84 | 30.18 | 0.04 | 29 | 73 | 17:31 | 29.57 | 29.88 | 54 | 100 |
| 28 | 50 | 33 | 0.00 | 2.84 | 30.18 | 0.00 | 30 | 74 | 17:27 | 29.88 | 30.15 | 45 | 97 |
| 29 | 62 | 30 | 0.00 | 2.84 | 30.18 | 0.00 | 13 | 73 | 17:29 | 30.09 | 30.21 | 26 | 100 |
| 30 | 66 | 36 | 0.00 | 2.84 | 30.18 | 0.00 | 9 | 73 | 17:27 | 30.13 | 30.26 | 38 | 100 |
| 31 | 65 | 36 | 0.00 | 2.84 | 30.18 | 0.00 | 14 | 75 | 17:26 | 30.01 | 30.23 | 46 | 100 |
| Avg. | 66.7 | 45.8 | |||||||||||
| Max. | 86 | 0.73 | 0.40 | 30 | 81 | 30.40 | 95 | 100 | |||||
| Min. | 30 | 9 | 56 | 29.57 | 26 | 84 | |||||||