Latitude:	30.00N - 31.00N		Longitude:	139.00E - 140.00E
Month:	February

Depth Mean Max. Min. Number of Sample Standard Deviation 0 34.84 34.97 34.74 6 0.08 10 34.79 34.83 34.74 4 0.04 20 34.79 34.83 34.74 4 0.04 30 34.80 34.86 34.74 4 0.05 50 34.79 34.84 34.74 4 0.04 75 34.82 34.89 34.74 4 0.07 100 34.82 34.87 34.74 4 0.06 125 34.82 34.87 34.74 3 0.07 150 34.83 34.89 34.74 4 0.07 200 34.84 34.90 34.76 4 0.06 250 34.79 34.84 34.73 4 0.05 300 34.77 34.80 34.71 3 0.05 400 34.73 34.74 34.71 2 0.02 500 34.54 34.63 34.45 3 0.09 600 34.33 34.38 34.28 2 0.07 900 34.28 34.30 34.26 3 0.02 1000 34.31 34.32 34.29 2 0.02 1100 34.37 34.38 34.36 2 0.01 1200 34.42 34.43 34.40 2 0.02 1400 34.49 34.50 34.47 2 0.02