| Monthly Observation SummarySeptember 1996 | |||||||||||||
| 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 | 82 | 60 | 0.00 | 0.00 | 17.62 | 0.00 | 12 | 79 | 19:56 | 29.99 | 30.12 | 43 | 100 |
| 2 | 87 | 62 | 0.00 | 0.00 | 17.62 | 0.00 | 11 | 79 | 19:55 | 29.99 | 30.12 | 41 | 93 |
| 3 | 82 | 62 | 0.02 | 0.02 | 17.64 | 0.04 | 18 | 76 | 19:48 | 30.04 | 30.15 | 54 | 100 |
| 4 | 79 | 65 | 0.48 | 0.50 | 18.12 | 0.28 | 11 | 68 | 19:45 | 30.04 | 30.13 | 73 | 100 |
| 5 | 85 | 70 | 0.01 | 0.51 | 18.13 | 0.04 | 11 | 80 | 19:47 | 30.07 | 30.20 | 60 | 100 |
| 6 | 76 | 71 | 1.87 | 2.38 | 20.00 | 1.96 | 29 | 54 | 19:43 | 29.71 | 30.10 | 86 | 100 |
| 7 | 86 | 70 | 0.00 | 2.38 | 20.00 | 0.00 | 16 | 78 | 19:47 | 29.77 | 29.91 | 54 | 99 |
| 8 | 89 | 68 | 0.00 | 2.38 | 20.00 | 0.00 | 9 | 78 | 19:45 | 29.84 | 29.96 | 46 | 99 |
| 9 | 88 | 68 | 0.03 | 2.41 | 20.03 | 0.16 | 17 | 78 | 19:43 | 29.87 | 30.01 | 51 | 100 |
| 10 | 87 | 69 | 0.00 | 2.41 | 20.03 | 0.00 | 11 | 78 | 19:41 | 29.90 | 30.04 | 54 | 100 |
| 11 | 72 | 67 | 1.43 | 3.84 | 21.46 | 1.08 | 8 | 62 | 19:39 | 29.90 | 29.99 | 90 | 100 |
| 12 | 78 | 66 | 0.04 | 3.88 | 21.50 | 0.24 | 9 | 73 | 19:37 | 29.77 | 29.93 | 68 | 100 |
| 13 | 75 | 58 | 0.32 | 4.20 | 21.82 | 0.64 | 25 | 78 | 19:38 | 29.65 | 29.80 | 52 | 100 |
| 14 | 71 | 53 | 0.00 | 4.20 | 21.82 | 0.00 | 18 | 79 | 19:36 | 29.73 | 29.90 | 45 | 96 |
| 15 | 73 | 53 | 0.00 | 4.20 | 21.82 | 0.00 | 14 | 75 | 19:32 | 29.85 | 30.01 | 40 | 97 |
| 16 | 65 | 58 | 0.68 | 4.88 | 22.50 | 0.28 | 9 | 61 | 19:24 | 29.77 | 30.02 | 83 | 100 |
| 17 | 68 | 59 | 0.97 | 5.85 | 23.47 | 1.56 | 19 | 77 | 19:29 | 29.63 | 29.77 | 85 | 100 |
| 18 | 70 | 56 | 0.00 | 5.85 | 23.47 | 0.00 | 24 | 76 | 19:30 | 29.76 | 29.91 | 50 | 96 |
| 19 | 74 | 55 | 0.00 | 5.85 | 23.47 | 0.00 | 19 | 76 | 19:27 | 29.85 | 29.96 | 35 | 90 |
| 20 | 76 | 53 | 0.00 | 5.85 | 23.47 | 0.00 | 11 | 75 | 19:26 | 29.91 | 30.07 | 37 | 96 |
| 21 | 77 | 50 | 0.00 | 5.85 | 23.47 | 0.00 | 11 | 76 | 19:22 | 29.82 | 30.04 | 44 | 100 |
| 22 | 75 | 57 | 0.52 | 6.37 | 23.99 | 0.72 | 29 | 78 | 19:23 | 29.63 | 29.87 | 49 | 100 |
| 23 | 70 | 54 | 0.00 | 6.37 | 23.99 | 0.00 | 24 | 78 | 19:19 | 29.63 | 30.01 | 56 | 96 |
| 24 | 67 | 51 | 0.00 | 6.37 | 23.99 | 0.00 | 14 | 68 | 19:18 | 29.82 | 30.01 | 71 | 100 |
| 25 | 70 | 52 | 0.00 | 6.37 | 23.99 | 0.00 | 15 | 75 | 19:18 | 29.88 | 30.18 | 43 | 100 |
| 26 | 63 | 48 | 0.00 | 6.37 | 23.99 | 0.00 | 8 | 72 | 19:09 | 30.18 | 30.34 | 67 | 100 |
| 27 | 77 | 59 | 0.04 | 6.41 | 24.03 | 0.16 | 17 | 76 | 19:10 | 30.15 | 30.35 | 59 | 100 |
| 28 | 75 | 56 | 0.99 | 7.40 | 25.02 | 2.08 | 24 | 61 | 18:57 | 29.87 | 30.18 | 81 | 100 |
| 29 | 68 | 53 | 0.03 | 7.43 | 25.05 | 0.04 | 13 | 73 | 19:12 | 29.98 | 30.18 | 52 | 100 |
| 30 | 78 | 52 | 0.00 | 7.43 | 25.05 | 0.00 | 11 | 74 | 19:11 | 30.18 | 30.40 | 41 | 100 |
| Avg. | 76.1 | 59.2 | |||||||||||
| Max. | 89 | 1.87 | 2.08 | 29 | 80 | 30.40 | 90 | 100 | |||||
| Min. | 48 | 8 | 54 | 29.63 | 35 | 90 | |||||||