Latitude:	29.00N - 30.00N		Longitude:	142.00E - 143.00E
Month:	April

Depth Mean Max. Min. Number of Sample Standard Deviation 0 19.62 21.60 18.50 12 0.98 10 19.54 21.27 18.42 11 0.94 20 19.41 21.12 18.20 13 0.99 30 19.26 21.02 17.93 13 0.97 50 18.97 20.53 17.47 13 0.99 75 18.59 19.51 17.34 13 0.68 100 18.45 19.20 17.46 12 0.63 125 18.36 19.12 17.36 12 0.60 150 18.28 19.00 17.22 12 0.55 200 17.94 18.35 17.09 9 0.41 250 17.38 17.63 17.05 7 0.24 300 16.87 17.14 16.50 7 0.23 400 15.32 16.79 14.47 7 0.73 500 12.82 14.38 11.74 6 0.88 600 10.03 11.35 9.02 5 0.97 700 6.86 8.17 4.80 5 1.37 800 5.17 6.08 4.23 6 0.74 900 4.77 5.05 4.48 4 0.29 1000 4.16 4.51 3.83 5 0.27