Latitude:	27.00N - 28.00N		Longitude:	136.00E - 137.00E
Month:	February

Depth Mean Max. Min. Number of Sample Standard Deviation 0 20.22 21.00 18.89 5 0.88 10 20.13 21.00 18.95 5 0.82 20 20.13 21.00 19.00 5 0.80 30 20.10 20.90 19.00 5 0.78 50 19.88 20.60 19.01 5 0.58 75 19.75 20.60 19.05 5 0.58 100 19.90 20.60 19.30 4 0.54 125 19.82 20.60 19.30 4 0.57 150 19.71 20.50 19.19 4 0.60 200 18.67 19.90 17.40 4 1.02 250 17.75 17.77 17.74 2 0.02 300 16.75 16.94 16.57 2 0.26 400 15.59 15.67 15.51 2 0.11 500 12.81 13.23 12.39 2 0.59