| Monthly Observation SummaryJune 1998 | |||||||||||||
| 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 | 80 | 57 | 0.12 | 0.12 | 27.13 | 0.64 | 39 | 80 | 20:45 | 29.60 | 29.82 | 33 | 97 |
| 2 | 83 | 53 | 0.08 | 0.20 | 27.21 | 0.16 | 25 | 80 | 20:42 | 29.54 | 29.82 | 43 | 100 |
| 3 | 75 | 56 | 0.02 | 0.22 | 27.23 | 0.12 | 29 | 80 | 20:46 | 29.58 | 29.82 | 38 | 98 |
| 4 | 73 | 53 | 0.00 | 0.22 | 27.23 | 0.00 | 19 | 81 | 20:48 | 29.74 | 29.90 | 46 | 87 |
| 5 | 72 | 53 | 0.04 | 0.26 | 27.27 | 0.16 | 17 | 81 | 20:49 | 29.74 | 29.88 | 34 | 100 |
| 6 | 70 | 52 | 0.00 | 0.26 | 27.27 | 0.00 | 23 | 82 | 20:51 | 29.80 | 29.99 | 35 | 100 |
| 7 | 66 | 50 | 0.00 | 0.26 | 27.27 | 0.00 | 30 | 81 | 20:50 | 29.98 | 30.09 | 41 | 73 |
| 8 | 73 | 53 | 0.00 | 0.26 | 27.27 | 0.00 | 27 | 82 | 20:51 | 30.07 | 30.18 | 33 | 77 |
| 9 | 73 | 50 | 0.19 | 0.45 | 27.46 | 0.12 | 15 | 80 | 20:45 | 30.15 | 30.24 | 33 | 100 |
| 10 | 61 | 56 | 0.30 | 0.75 | 27.76 | 0.36 | 14 | 65 | 20:40 | 30.05 | 30.16 | 100 | 100 |
| 11 | 68 | 59 | 0.12 | 0.87 | 27.88 | 0.24 | 11 | 66 | 20:44 | 30.01 | 30.16 | 94 | 100 |
| 12 | 74 | 64 | 0.33 | 1.20 | 28.21 | 0.64 | 17 | 64 | 20:45 | 29.79 | 30.05 | 95 | 100 |
| 13 | 82 | 62 | 0.93 | 2.13 | 29.14 | 2.20 | 50 | 80 | 20:54 | 29.55 | 29.84 | 54 | 100 |
| 14 | 81 | 61 | 0.01 | 2.14 | 29.15 | 0.04 | 23 | 79 | 20:54 | 29.55 | 29.65 | 47 | 99 |
| 15 | 81 | 61 | 0.13 | 2.27 | 29.28 | 0.12 | 15 | 78 | 20:52 | 29.49 | 29.65 | 34 | 100 |
| 16 | 89 | 65 | 0.09 | 2.36 | 29.37 | 0.16 | 36 | 81 | 20:53 | 29.55 | 29.82 | 41 | 100 |
| 17 | 84 | 63 | 0.00 | 2.36 | 29.37 | 0.00 | 20 | 80 | 20:47 | 29.79 | 29.98 | 50 | 100 |
| 18 | 87 | 66 | 0.00 | 2.36 | 29.37 | 0.00 | 21 | 77 | 20:54 | 29.91 | 30.02 | 43 | 89 |
| 19 | 78 | 65 | 0.07 | 2.43 | 29.44 | 0.16 | 22 | 72 | 20:53 | 29.82 | 29.98 | 50 | 99 |
| 20 | 89 | 69 | 0.05 | 2.48 | 29.49 | 0.04 | 19 | 77 | 20:54 | 29.82 | 29.95 | 42 | 100 |
| 21 | 92 | 70 | 0.00 | 2.48 | 29.49 | 0.00 | 11 | 78 | 20:53 | 29.93 | 30.07 | 41 | 91 |
| 22 | 84 | 71 | 0.09 | 2.57 | 29.58 | 0.16 | 13 | 77 | 20:46 | 30.04 | 30.16 | 34 | 100 |
| 23 | 89 | 70 | 0.35 | 2.92 | 29.93 | 0.60 | 15 | 76 | 20:27 | 29.99 | 30.13 | 54 | 100 |
| 24 | 88 | 69 | 0.00 | 2.92 | 29.93 | 0.00 | 11 | 79 | 20:55 | 30.02 | 30.13 | 54 | 100 |
| 25 | 94 | 70 | 0.00 | 2.92 | 29.93 | 0.00 | 12 | 76 | 20:57 | 29.99 | 30.15 | 44 | 100 |
| 26 | 96 | 75 | 0.07 | 2.99 | 30.00 | 0.36 | 28 | 80 | 20:54 | 29.79 | 30.01 | 46 | 92 |
| 27 | 89 | 75 | 0.00 | 2.99 | 30.00 | 0.00 | 22 | 77 | 20:53 | 29.76 | 29.91 | 48 | 81 |
| 28 | 78 | 65 | 0.10 | 3.09 | 30.10 | 0.16 | 16 | 80 | 20:49 | 29.88 | 30.10 | 64 | 100 |
| 29 | 85 | 68 | 0.00 | 3.09 | 30.10 | 0.00 | 17 | 79 | 20:54 | 29.82 | 30.05 | 34 | 93 |
| 30 | 87 | 65 | 0.07 | 3.16 | 30.17 | 0.36 | 43 | 81 | 20:58 | 29.54 | 29.84 | 41 | 92 |
| Avg. | 80.7 | 62.2 | |||||||||||
| Max. | 96 | 0.93 | 2.20 | 50 | 82 | 30.24 | 100 | 100 | |||||
| Min. | 50 | 11 | 64 | 29.49 | 33 | 73 | |||||||