Sea Temperatures — Leipper and Anderson 
233 
TABLE 3 
Distribution of Bathythermograms by Months in Different Years 
(All figures are given as percentages.) 
MONTH 
1941 
1942 
1943 
1944 
1945 
1946 
1947 
January 
0.0 
0.0 
0.3 
5.8 
23.4 
2.1 
7.0 
February . . . . . 
1.2 
13.4 
18.4 
7.3 
13.6 
7.0 
7.8 
March . 
5.3 
0.0 
13.0 
8.7 
9.4 
1.7 
30.0 
April 
0.0 
11.2 
13.2 
12.0 
10.2 
9.2 
15.9 
May 
2.4 
22.4 
9.5 
14.1 
2.8 
2.9 
11.3 
June ........ 
1.8 
11.9 
1.8 
7.8 
3.4 
5.1 
17.6 
July ........ 
3.5 
0.0 
5.0 
7.2 
6.9 
9.1 
10.4 
August ...... 
42.9 
14.9 
3.6 
10.3 
8.3 
16.7 
0.0 
September 
2.9 
9.7 
12.1 
8.0 
6.3 
20.5 
0.0 
October 
10.6 
0.0 
7.0 
7.0 
3.8 
11.0 
0.0 
November 
24.7 
0.0 
5.0 
6.6 
5.4 
8.7 
0.0 
December . . . . . 
5.3 
16.4 
11.0 
5.3 
6.4 
5.9 
0.0 
TABLE 4 
Maximum and Minimum Monthly Average Temperatures 
at Different Depths 
MAXIMUM 
MINIMUM 
DIFFERENCE 
Depth in feet 
0 
100 
200 
300 
0 
100 
200 
300 
0 
100 
200 
300 
January 
80 
79 
78 
78 
68 
68 
66 
64 
12 
11 
12 
14 
February 
79 
78 
78 
77 
67 
66 
65 
64 
12 
12 
13 
13 
March ......... 
78 
77 
77 
76 
66 
67 
64 
64 
12 
10 
13 
12 
April 
78 
77 
77 
76 
68 
68 
64 
64 
10 
9 
13 
12 
May 
79 
78 
78 
77 
70 
69 
66 
64 
9 
9 
12 
13 
June 
80 
80 
79 
77 
74 
71 
68 
64 
6 
9 
11 
13 
July 
82 
80 
80 
78 
76 
73 
66 
64 
6 
7 
14 
14 
August ......... 
82 
81 
81 
79 
77 
75 
68 
66 
5 
6 
13 
13 
September 
82 
82 
81 
80 
77 
76 
67 
67 
5 
6 
14 
13 
October 
82 
82 
82 
80 
76 
75 
68 
66 
6 
7 
14 
14 
November . 
82 
81 
81 
80 
72 
72 
68 
67 
10 
9 
13 
13 
December ........ 
80 
80 
80 
79 
70 
70 
67 
66 
10 
10 
13 
13 
TABLE 5 
Months in Which Maximum and Minimum Temperatures Occurred Most Often on 
Smoothed Annual Variation Curves Which Were Drawn 
for Each 1 -Degree Quadrangle 
MINIMUM 
MAXIMUM 
Depth 
Month 
Frequency 
Depth 
Month 
Frequency 
Feet 
Per cent 
Feet 
Per cent 
Surface 
March 
56.4 
Surface 
September 
64.5 
100 
March 
57.9 
100 
September 
71.0 
200 
March 
46.6 
200 
September 
51.1 
300 
April 
39.0 
300 
October 
40.7 
All 
March 
48.9 
All 
September 
54.9 
