Latitude:	38.00N - 39.00N		Longitude:	77.00W - 76.00W
Month:	April

Depth Mean Max. Min. Number of Sample Standard Deviation 0 9.12 12.96 2.76 40 2.13 10 11.59 14.79 8.38 22 1.53 20 15.05 17.52 11.53 4 2.54 30 15.83 18.51 12.57 4 2.45