Latitude:	30.00N - 31.00N		Longitude:	137.00W - 136.00W
Month:	March

Depth Mean Max. Min. Number of Sample Standard Deviation 0 17.86 19.40 16.72 14 0.80 10 17.79 19.30 16.70 14 0.84 20 17.81 19.30 16.40 14 0.92 30 17.83 19.04 16.50 14 0.88 50 17.86 19.20 16.55 14 0.79 75 17.94 19.40 16.74 13 0.82 100 18.08 19.60 16.38 11 0.94 125 17.79 19.60 15.81 8 1.26 150 16.20 17.90 14.61 7 1.07 200 13.03 13.78 10.95 5 1.18 250 10.85 11.54 9.58 5 0.75 300 9.81 10.31 8.65 5 0.67 400 7.72 8.36 6.90 5 0.56 500 6.42 6.70 6.14 2 0.40