| Monthly Observation SummaryMay 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 | 79 | 53 | 0.33 | 0.33 | 14.44 | 1.32 | 45 | 82 | 20:20 | 29.41 | 29.80 | 33 | 91 |
| 2 | 72 | 47 | 0.00 | 0.33 | 14.44 | 0.00 | 33 | 82 | 20:20 | 29.80 | 30.05 | 28 | 78 |
| 3 | 78 | 53 | 0.49 | 0.82 | 14.93 | 1.20 | 38 | 83 | 20:13 | 29.44 | 29.90 | 45 | 100 |
| 4 | 62 | 47 | 0.03 | 0.85 | 14.96 | 0.16 | 31 | 83 | 20:23 | 29.62 | 30.04 | 35 | 71 |
| 5 | 71 | 38 | 0.00 | 0.85 | 14.96 | 0.00 | 20 | 82 | 20:23 | 29.87 | 30.15 | 20 | 96 |
| 6 | 71 | 51 | 0.00 | 0.85 | 14.96 | 0.00 | 38 | 84 | 20:25 | 29.76 | 30.02 | 31 | 84 |
| 7 | 66 | 43 | 0.00 | 0.85 | 14.96 | 0.00 | 34 | 83 | 20:25 | 30.01 | 30.18 | 22 | 92 |
| 8 | 67 | 36 | 0.05 | 0.90 | 15.01 | 0.04 | 16 | 82 | 20:20 | 29.90 | 30.20 | 29 | 100 |
| 9 | 63 | 46 | 0.27 | 1.17 | 15.28 | 0.24 | 29 | 76 | 20:22 | 29.63 | 29.90 | 52 | 100 |
| 10 | 57 | 47 | 0.00 | 1.17 | 15.28 | 0.00 | 34 | 84 | 20:27 | 29.71 | 29.91 | 51 | 76 |
| 11 | 71 | 41 | 0.00 | 1.17 | 15.28 | 0.00 | 25 | 82 | 20:29 | 29.82 | 30.01 | 24 | 87 |
| 12 | 79 | 50 | 0.00 | 1.17 | 15.28 | 0.00 | 29 | 83 | 20:31 | 29.63 | 29.84 | 24 | 75 |
| 13 | 59 | 47 | 0.00 | 1.17 | 15.28 | 0.00 | 21 | 74 | 20:32 | 29.66 | 29.74 | 60 | 92 |
| 14 | 69 | 43 | 0.00 | 1.17 | 15.28 | 0.00 | 34 | 83 | 20:31 | 29.69 | 29.85 | 30 | 100 |
| 15 | 74 | 51 | 0.00 | 1.17 | 15.28 | 0.00 | 31 | 83 | 20:23 | 29.57 | 29.73 | 28 | 95 |
| 16 | 63 | 46 | 0.00 | 1.17 | 15.28 | 0.00 | 33 | 83 | 20:34 | 29.69 | 29.90 | 33 | 64 |
| 17 | 71 | 51 | 0.00 | 1.17 | 15.28 | 0.00 | 28 | 83 | 20:35 | 29.73 | 29.90 | 35 | 73 |
| 18 | 79 | 47 | 0.00 | 1.17 | 15.28 | 0.00 | 14 | 83 | 20:34 | 29.76 | 29.99 | 42 | 94 |
| 19 | 92 | 56 | 0.01 | 1.18 | 15.29 | 0.04 | 25 | 83 | 20:35 | 29.62 | 29.80 | 32 | 100 |
| 20 | 75 | 57 | 0.05 | 1.23 | 15.34 | 0.12 | 27 | 83 | 20:39 | 29.66 | 29.93 | 27 | 96 |
| 21 | 63 | 48 | 0.00 | 1.23 | 15.34 | 0.00 | 31 | 84 | 20:40 | 29.91 | 30.04 | 31 | 58 |
| 22 | 67 | 45 | 0.00 | 1.23 | 15.34 | 0.00 | 29 | 83 | 20:41 | 29.99 | 30.09 | 31 | 65 |
| 23 | 72 | 46 | 0.00 | 1.23 | 15.34 | 0.00 | 16 | 79 | 20:41 | 30.07 | 30.20 | 30 | 77 |
| 24 | 82 | 53 | 0.00 | 1.23 | 15.34 | 0.00 | 19 | 79 | 20:42 | 29.90 | 30.10 | 29 | 88 |
| 25 | 76 | 59 | 1.00 | 2.23 | 16.34 | 1.08 | 19 | 74 | 20:39 | 29.65 | 29.90 | 64 | 100 |
| 26 | 70 | 54 | 0.17 | 2.40 | 16.51 | 0.12 | 19 | 80 | 20:45 | 29.68 | 29.96 | 46 | 100 |
| 27 | 70 | 50 | 0.00 | 2.40 | 16.51 | 0.00 | 18 | 81 | 20:47 | 29.96 | 30.32 | 39 | 99 |
| 28 | 72 | 43 | 0.00 | 2.40 | 16.51 | 0.00 | 16 | 78 | 20:46 | 30.31 | 30.42 | 29 | 100 |
| 29 | 72 | 43 | 0.00 | 2.40 | 16.51 | 0.00 | 21 | 78 | 20:42 | 30.20 | 30.35 | 25 | 100 |
| 30 | 74 | 55 | 0.13 | 2.53 | 16.64 | 0.12 | 12 | 78 | 20:48 | 30.07 | 30.23 | 60 | 100 |
| 31 | 80 | 56 | 0.00 | 2.53 | 16.64 | 0.00 | 11 | 79 | 20:48 | 29.88 | 30.07 | 47 | 100 |
| Avg. | 71.5 | 48.5 | |||||||||||
| Max. | 92 | 1.00 | 1.32 | 45 | 84 | 30.42 | 64 | 100 | |||||
| Min. | 36 | 11 | 74 | 29.41 | 20 | 58 | |||||||