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

Depth Mean Max. Min. Number of Sample Standard Deviation 0 8.33 9.50 7.12 32 0.55 10 8.36 8.90 7.20 30 0.48 20 9.35 10.60 7.90 22 0.80 30 9.66 10.10 8.60 17 0.50