APL Weather Summary—April 1999

                           
Monthly Observation Summary—April 1999
                           
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 59 51 0.57 0.57 11.70 0.48 18 64 18:39 29.95 30.10 30 100
2 70 50 0.01 0.58 11.71 0.04 14 80 18:46 29.98 30.10 57 100
3 71 47 0.00 0.58 11.71 0.00 21 76 18:46 29.98 30.20 48 89
4 77 46 0.31 0.89 12.02 0.28 28 76 18:44 29.76 30.02 55 98
5 61 43 0.07 0.96 12.09 0.12 16 78 19:50 30.02 30.32 28 98
6 65 36 0.00 0.96 12.09 0.00 29 78 19:51 29.98 30.34 27 94
7 73 50 0.00 0.96 12.09 0.00 22 76 19:52 29.98 30.15 28 93
8 85 47 0.00 0.96 12.09 0.00 26 80 19:52 29.74 30.01 22 76
9 65 46 0.41 1.37 12.50 1.20 34 80 19:49 29.36 29.77 40 98
10 60 43 0.00 1.37 12.50 0.00 23 79 19:56 29.63 30.09 31 95
11 47 40 0.53 1.90 13.03 0.72 23 61 19:51 29.74 30.10 60 100
12 55 43 0.00 1.90 13.03 0.00 36 79 19:57 29.76 29.99 38 100
13 61 39 0.00 1.90 13.03 0.00 31 79 19:58 29.84 30.02 20 65
14 68 43 0.00 1.90 13.03 0.00 34 79 19:58 29.79 29.96 18 50
15 62 46 0.12 2.02 13.15 0.16 18 69 19:44 29.58 29.91 24 100
16 65 46 0.06 2.08 13.21 0.16 23 80 20:01 29.52 29.69 23 100
17 62 37 0.00 2.08 13.21 0.00 21 80 20:01 29.69 29.88 29 76
18 59 42 0.00 2.08 13.21 0.00 27 80 19:58 29.88 30.10 35 76
19 59 37 0.00 2.08 13.21 0.00 24 80 20:03 30.01 30.10 36 92
20 55 44 0.01 2.09 13.22 0.04 25 80 20:03 29.88 30.09 54 96
21 57 36 0.15 2.24 13.37 0.12 18 72 20:02 30.02 30.15 45 98
22 82 47 0.04 2.28 13.41 0.04 14 80 20:03 29.87 30.04 36 100
23 62 51 0.09 2.37 13.50 0.16 23 74 19:57 29.76 30.05 73 98
24 60 37 0.00 2.37 13.50 0.00 24 80 20:09 30.05 30.32 26 88
25 64 38 0.00 2.37 13.50 0.00 16 79 20:08 30.07 30.31 20 73
26 77 40 0.00 2.37 13.50 0.00 21 79 20:09 29.76 30.09 17 87
27 69 47 0.00 2.37 13.50 0.00 19 79 20:09 29.84 30.12 22 70
28 67 46 0.00 2.37 13.50 0.00 16 81 20:11 30.12 30.27 30 92
29 69 40 0.00 2.37 13.50 0.00 23 79 20:14 30.12 30.26 21 98
30 68 43 0.00 2.37 13.50 0.00 17 76 20:15 30.20 30.32 33 85
                           
Avg. 65.1 43.4                      
                           
Max. 85   0.57     1.20 36 81     30.34 73 100
Min.   36         14 61   29.36   17 50
                           
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