78 
BULLETIN OF THE BUREAU OF FISHERIES 
Table 31 . — Various water temperatures, selected to show the wide difference betiveen Nantucket Shoals 
and the Chatham-South Channel region, particularly in summer 1 
Ref- 
erence 
No. 
Station 2 
Date 
Position 
Locality 
Depth 
Temperature 
Meters 
Fath- 
oms 
° C. 
° F. 
Nantucket Shoals 
1 
H 10647 
Apr. 27,1923 
0 
0 
3.3 
37 9 
2 
A 20221 
May 4, 1927 
0 
0 
5. 0 
41 0 
15 
8 
5.4 
41.7 
24 
13 
5.4 
41.7 
3 
May 7, 1927 
0 
0 
5. 5 
42. 0 
20 
11 
5.6 
42. 1 
4 
do 
0 
0 
5. 5 
42 0 
22 
12 
5.9 
42.6 
5 
do 
Great Hip buoy 
0 
0 
5.5 
42. 0 
13 
7 
6.0 
42.8 
22 
12 
6.0 
42.8 
6 
June 7, 1925 
1 mile SSE. from Round Shoal buoy 
0 
0 
8.3 
47. 0 
30 
16 
8.4 
47.1 
7 
June 17,1927 
Round Shoal buoy __ 
24 
13 
9. 1 
48. 4 
8 
H 10655 
July 15,1924 
41 
22 N. 
10 miles ESE. from Round Shoal buoy 
0 
0 
10.0 
50.0 
69 
32 W. 
9 
5 
10. 5 
50.9 
18 
10 
10.5 
50.9 
27 
15 
10.4 
50.7 
9 
July 19,1928 
41 
27 N. 
Round Shoal buoy _ 
0 
0 
11.7 
53. 0 
69 
43 W. 
22 
12 
11.9 
53.4 
10 
Great Rip buoy___ 
0 
0 
11. 3 
52.4 
9 
5 
11.6 
52.8 
18 
10 
11.2 
52.2 
n 
A 20361 
July 21,1928 
40 
53 N. 
34 miles S. from Round Shoal buoy 
0 
0 
12.8 
55.0 
69 
40 W. 
10 
5 
12.8 
55.0 
20 
11 
12.8 
55.0 
40 
22 
12.8 
55.0 
12 
Aug. 20,1925 
41 
27 N. 
Round Shoal buoy 
0 
0 
11.6 
52.8 
69 
43 W. 
13 
7 
11.4 
52.5 
22 
12 
11.2 
52.2 
13 
Aug. 21,1925 
1 mile E. from Round Shoal buoy 
0 
0 
11. 6 
52.8 
9 
5 
11.6 
52.8 
20 
11 
11.6 
52.8 
14 
2 miles ENE. from Round Shoal buoy 
0 
0 
11.7 
53.0 
15 
8 
11.5 
52.7 
25 
14 
11.7 
53.0 
15 
iy> miles SSE. from Round Shoal buoy .. 
0 
0 
13.3 
56.0 
24 
13 
13.2 
55.8 
16 
Aug. 23,1925 
41 
21 N. 
1 mile NE. from Rose and Crown buoy 
0 
0 
16.4 
61.5 
69 
43 W. 
22 
12 
15.6 
60.0 
17 
Great Rip buoy 
0 
0 
14. 5 
58. 0 
22 
12 
14. 6 
58.2 
18 
Aug. 24,1925 
do 
0 
0 
13.8 
56.8 
13 
7 
14.2 
57. 6 
24 
13 
14.3 
57.8 
19 
41 
10 N. 
4 miles E. from Great Rip buoy.. . 
0 
0 
13.9 
57.0 
69 
40 W. 
15 
8 
14. 1 
57.4 
22 
12 
14.4 
57.9 
20 
Sept. 2,1927 
Round Shoal buoy . 
0 
o 
10. 0 
50. 0 
20 
11 
10.3 
50.5 
21 
Sept 7 1926 
mile NE. from Round Shoal buoy 
11 
6 
13.9 
57.0 
22 
Oct. 1,1925 
2 miles NE. from Rose and Crown buoy 
0 
0 
12.2 
54.0 
13 
7 
12.7 
54.8 
26 
14 
12.8 
55.0 
23 
miles S. from Round Shoal buoy 
0 
0 
11.6 
52.9 
13 
7 
12.0 
53.6 
24 
13 
12.0 
53. 6 
24 
41 
24 N. 
5 miles SE. from Round Shoal buoy 
0 
0 
11. 6 
52.9 
69 
37 W. 
13 
7 
11.9 
53.4 
26 
14 
13. 5 
56.3 
25 
Oct. 22,1925 
1 mile S. from Round Shoal buoy 
0 
0 
10.8 
51.4 
11 
6 
9.4 
48.9 
22 
12 
9.4 
48.9 
Chatham grounds 
26 
A 20220 
May 3,1927 
41 
36 N. 
13 miles NE. true from Round Shoal buoy 
0 
0 
5.5 
42.0 
69 
31 W. 
18 
10 
4.6 
40.3 
36 
20 
4. 4 
39.9 
54 
30 
4.4 
39.9 
27 
June 7, 1925 
41 
42 N. 
6 miles E. true from Chatham Light 
0 
0 
12.7 
54.8 
69 
48 W. 
42 
23 
6.5 
43.7 
28 
June 17, 1925 
41 
22 N. 
15 miles E. by S. true from Round Shoal buoy 
0 
0 
9.7 
49.5 
69 
23 W. 
18 
10 
6.4 
43. 5 
33 
18 
6.3 
43.3 
29 
A 20343 
July 13,1928 
41 
41 N. 
13 miles E. true from Chatham Light 
0 
0 
15.4 
59.7 
69 
39 W. 
12 
7 
11.3 
52.3 
47 
26 
5.9 
42. 6 
i The temperatures prior to 1926 are from H. B. Bigelow, Physical Oceanography of the Gulf of Maine, 1927, Tables 4 to 18, pp. 
978-1014. Also recorded in Bigelow 1915 and 1917. 
a Station A = Albatross II; G=Grampus; H = Halcyon. 
