Depth (ft)
Temperature (°F)
100
55.2
120
56.3
140
57.4
160
57.9
180
59
200
59.4
220
60.1
240
61
260
61.7
280
62.8
300
63.9
320
64.9
340
65.8
360
66.6
380
67.1
400
68
420
68.5
440
69.4
460
70
480
70.5
500
71.1