386 Part III. — Ninth Annual Report 
TABLE XIV. — Specific Gravitvt and Calculated Salinity at 
Abertay Light Vessel. 
9 A.M. 
3 P.M. 
Ten-Day 
Surface. 
4 fathoms. 
I 
iottom. 
Surface. 
4 fathoms. 
Bottom. 
Period. 
Sp. Gr 
Sal 
Sp. Gr. 
Sal. 
Sp. 
Gr. 
Sal. 
Sp. Gr. 
Sal. 
Sp. Gr. 
Sal. 
Sp. Gr. 
Sal. 
1889. 
June 
6-10 
25-4 
3-25 
25-7 
3-28 
26 
•1 
3-36 
23-0 
2-80 
24-0 
3-00 
24-9 
3-16 
11-20 
24-2 
3-02 
24-8 
3-14 
25 
■2 
3-22 
25-4 
3-25 
25-6 
3-27 
25-8 
3-30 
July 
21-30 
25-0 
3-18 
25-2 
3-22 
25 
•6 
3-27 
24-9 
3-16 
25-2 
3-22 
25-6 
3-27 
1-10 
25 "9 
3 '32 
26 "0 
3 "34 
26-0 
3 "34 
25 '8 
3 '30 
25 '9 
3 '32 
26 '1 
o OD 
)> 
11-20 
25-9 
3-32 
25-9 
3-32 
26-0 
3-34 
26-0 
3-34 
26-2 
3-38 
26 3 
3-40 
21-31 
25-7 
3-28 
25-8 
3-30 
26-0 
3-34 
26-0 
3-34 
26-2 
3-38 
26 2 
3-38 
Aug. 
1-10 
26-2 
3-38 
26-3 
3-40 
26-4 
3-42 
26-1 
3-36 
26-2 
3-38 
26-3 
3-40 
11-20 
25-5 
3-26 
25-5 
3-26 
25 
•7 
3-28 
25-3 
3-24 
25-9 
3-32 
26-2 
3-38 
21-31 
23-2 
2-86 
24-4 
3-06 
24-7 
3-12 
24-9 
3-16 
25-9 
3-32 
26-2 
3-38 
Sept. 
1-10 
24 1 
3-01 
24-6 
3-10 
z 
3-22 
25-2 
3-22 
25-6 
3-27 
25-6 
3-27 
11-20 
25 1 
3-20 
25-3 
3-24 
25-5 
3-26 
25-2 
3-22 
25-7 
3-28 
26-0 
3-34 
21-30 
24-6 
3-10 
25-0 
3-18 
25-3 
3-24 
26-0 
3-34 
26-1 
3-36 
26-1 
3-36 
Oct. 
1-10 
24-7 
3 12 
25-0 
3-18 
25-1 
3-20 
25-3 
3-24 
25-4 
3-25 
25-6 
3-27 
11-20 
25-2 
3-22 
25-3 
3-24 
25-5 
3-26 
24-9 
3-16 
25 1 
3-20 
25-4 
3-25 
21-31 
22-9 
2-78 
23-2 
2-86 
23-8 
2-98 
25 1 
3-20 
25-6 
3-27 
25-7 
3-28 
Nov. 
1-10 
22-2 
2-68 
23-5 
2-92 
24-5 
3 -OS 
24-7 
3-12 
25-3 
3-24 
25-6 
3-27 
11-20 
25-5 
3-26 
25-7 
3-28 
25-8 
3-30 
25-0 
3-18 
25-6 
3-27 
25-8 
3-30 
21-30 
24-0 
3-00 
24-5 
308 
24-9 
3-16 
25-3 
3-24 
25-6 
3-27 
25-8 
3-30 
Dec. 
1-10 
24-0 
3-00 
24-5 
3-08 
24-8 
3-14 
25-2 
3-22 
25-5 
3-26 
25-6 
3-27 
11-20 
25-2 
3-22 
25-3 
3-24 
25-7 
3-28 
24-3 
3 04 
25-2 
3-22 
25-6 
3-27 
21-31 
22-8 
2-77 
23-6 
2-94 
24-3 
3-04 
23-9 
2-99 
25-0 
3-18 
25-2 
3-22 
1890. 
Jan. 
1-10 
21-2 
2-50 
22-3 
2-70 
23-6 
2-94 
24-6 
3-10 
25-3 
3-24 
25-4 
3-25 
II 
11-20 
22-7 
2-76 
23-9 
2-99 
25-2 
3-22 
20-7 
2-40 
23-6 
2-94 
24-8 
314 
21-31 
23-4 
2-90 
24-4 
3-06 
24-6 
3-10 
21-2 
2-50 
24-1 
3-01 
25-0 
3-18 
I'eb. 
1-10 
21-0 
2-48 
i'2-8 
2-77 
23-3 
2-88 
24-6 
3-10 
25-3 
3-24 
25-4 
3-25 
11-17 
24-8 
3-14 
25-1 
3-20 
25-2 
3-22 
23-4 
2-90 
24-3 
3-04 
24-3 
3-04 
Mar. 
"l-lO 
23-3 
2-88 
23"9 
2-99 
24-4 
3'66 
25 -0 
3*i8 
25-3 
3'24 
25 -4 
3-25 
»» 
11-20 
22-3 
2-70 
24-2 
3-02 
24-7 
312 
22-5 
2-74 
24-3 
3-04 
24-8 
3 14 
21-31 
23-3 
2-88 
23-7 
2-96 
24-1 
3-01 
23-1 
2-84 
24-8 
3 14 
25-4 
3-25 
April 1-10 
23-4 
2-90 
23-9 
2-99 
24-6 
310 
25-3 
3-24 
25-5 
3-26 
25-6 
3-27 
11-20 
24-1 
3-01 
24-5 
3-08 
24-7 
312 
24-6 
3-10 
24-9 
3-16 
24-9 
3-16 
21-30 
24-8 
3 14 
25-1 
3-20 
25-3 
3-24 
24-3 
3-04 
25-0 
3-18 
25-2 
3-22 
May 
1-10 
23 '2 
2 "86 
23 '7 
z yo 
241 
3 '01 
25 "3 
3 24 
25 -5 
3 26 
25-6 
3-27 
11-20 
24-5 
3-08 
24-7 
3-12 
25-0 
3-18 
24-5 
3-08 
24-8 
3-14 
24-9 
3 16 
21-31 
24-8 
3 14 
25 0 
3-18 
25-2 
3-22 
24-2 
3-02 
24-9 
3-16 
25-1 
3-20 
June 1-10 
24-1 
3-01 
24-6 
3-10 
24-9 
3-16 
24-8 
3 14 
25-3 
3-24 
25-5 
3-26 
II 
11-20 
23-4 
2-90 
23-8 
2-98 
24-3 
3-04 
24-6 
3-10 
25-0 
3-18 
25-1 
3-20 
21-30 
25-2 
3-22 
25-3 
3-24 
25-5 
3-26 
24-2 
3-02 
24-5 
3-08 
24-9 
3 16 
July 
1-10 
24-1 
3-01 
24-4 
3-06 
24-8 
314 
24-6 
3-10 
25-1 
3-20 
25-2 
3-22 
i» 
11-20 
23 1 
2-84 
23-8 
2-98 
24-2 
3-02 
24-8 
3-14 
25-1 
3-20 
25-2 
3-22 
21-31 
25-2 
3-22 
25-4 
3-25 
25-7 
3-28 
24-7 
3-12 
25-1 
3-20 
25-2 
3-22 
Aue. 1-10 
24-7 
312 
25 1 
3-20 
25-1 
3-20 
25-2 
3-22 
25-4 
3-25 
25-5 
3-26 
II 
11-20 
23-8 
2-98 
24-3 
3-04 
24-8 
3 14 
25-5 
3-26 
25-7 
3-28 
25-8 
3-30 
21-31 
9 J. -J. 
3"0G 
25'1 
3 '20 
25-2 
3 '22 
z-t o 
3*14 
25 "2 
3*22 
25*6 
3 '27 
Sept 
1-10 
24-9 
3-16 
25-2 
3-22 
25-3 
3-24 
24-8 
3-14 
25-2 
3-22 
25-6 
3-27 
11-20 
24-0 
3-00 
24-2 
3-02 
24-6 
3-10 
25-7 
3-28 
25-7 
3-28 
25-8 
3-30 
21-30 
25-8 
3-30 
26-8 
3-30 
25-9 
3-32 
24-2 
3-02 
25-2 
3-22 
25-3 
3-24 
Oct. 
1-10 
24-3 
3-04 
24-9 
3-16 
25-3 
3-24 
21-7 
2-58 
24-6 
3-10 
25 1 
3-20 
II 
11-20 
22-6 
2-75 
23-5 
2-92 
24-0 
3-00 
25-2 
3-22 
25-3 
3-24 
25-4 
3-25 
Nov. 
21-31 
23-5 
2-92 
23-9 
2-99 
24-3 
3-04 
24-5 
3-08 
25-0 
3-18 
25-0 
3-18 
1-10 
22-5 
2-74 
24 1 
3-01 
24-8 
3 14 
23 1 
2-84 
24-3 
3-04 
24-6 
3-10 
II 
11-20 
19 1 
212 
21-2 
2-50 
21-8 
2-60 
23-4 
2-90 
24-6 
310 
25-0 
318 
21-30 
20-9 
2-46 
21-8 
2-60 
22-5 
2-74 
24 1 
3-01 
24-4 
3-06 
24-7 
3-12 
Dec. 
1-10 
23-4 
2-90 
24 0 
3-00 
24-5 
3-08 
23-1 
2-84 
24-0 
3-00 
24-4 
3-06 
11-20 
22-7 
2-76 
23-4 
2-90 
23-8 
2-98 
24-3 
3-04 
24-5 
3-08 
24-8 
3 14 
„ 21-31 
23 1 
2-84 
23-7 
2-96 
24-3 
3-04 
24-5 
3-08 
24-7 
3 12 
24-8 
3 14 
1891. 
Jan, 
1-10 
24-3 
3-04 
24-6 
3-10 
24-8 
3-14 
24-4 
3-06 
24-6 
3-10 
24-8 
3-14 
11-20 
24-7 
3-12 
24-7 
312 
24-8 
3-14 
24-7 
3 12 
24-8 
314 
24-9 
3 16 
II 
21-31 
23-8 
2-98 
24 1 
3 01 
241 
3-01 
25-0 
3-18 
25-0 
3-18 
25-1 
3-20 
Feb. 
1-10 
22-8 
2-77 
23-9 
2-99 
24-4 
3-06 
22-4 
2-72 
24-3 
3-04 
24-8 
314 
II 
11-20 
24-7 
3 12 
24-9 
3-16 
25-0 
3-18 
23-9 
2-99 
24-7 
312 
24-9 
3 16 
21-28 
22-9 
2-78 
23-5 
2-92 
23-6 
2-94 
25-0 
3-18 
25-1 
3-20 
25-2 
3-22 
Mar. 
1-10 
23-7 
2-96 
24-4 
3-06 
24-6 
3-10 
24-2 
3-02 
24-6 
3-10 
24-8 
3 14 
i» 
11-20 
24-4 
3 06 
24-6 
3-10 
24-6 
3-10 
23-8 
2-98 
24-8 
314 
24-9 
3-16 
21-31 
23-2 
2-86 
23-7 
2-96 
24-0 
3-00 
24-9 
3-16 
25 1 
3-20 
25-2 
3-22 
