1914] Sumner, et al.: Physical Conditions in San Francisco Bay 61 
TABLE 14 
SALINITY oF SAN FrRANcIscO Bay 
Period III (July 22—July 81) 
Division 
of Bay Station Surface Bottom Flood Ebb Average* 
3 4967 31.42 31.63 31.84 31.21 31.53 
(36%) 4968 30.21 31.04 30.97 30.28 30.63 
4969 29.52 30.78 29.72, 30.58 30.15 
4970 27.41 30.27 28.43 29.26 28.84 
2 4971 26.02 29.88 28.54 27.36 27.94 
(10%) 4972 27.23 27.63 26.39 28.47 27.43 
4973 26.49 27.66 26.15 28.00 27.07 
4974 23.91 27.52 24.41 27.02 25.71 
1 4975 12.55 16.74 12.40 16.89 14.65 
(17%) 4976 11.35 16.11 NGG rea 13.73 
4977 17.62 19.50 16.78 20.33 18.56 
4978 21.91 22.05 EO 8 ees 21.98 
4979 25.12 26.09 25.39 25.81 25.60 
4980 26.47 27.01 PACH een 26.74 
4981 27.32 29.01 28.73 27.59 28.17 
4 5001 27.62 27.66 27.86 27.42 27.64 
(387%) 5002 27.82f 27.75 27.86 27.71 27.79 
5003 27.817 27.73 27.90 27.64 27.78 
5004 28.00 28.16 28.33 27.82 28.08 
5005 28.24 28.51 28.64 28.10 28.37 
5006 28.38 28.68 28.57 27.52 28.54 
5007 28.78 29.26 29.14 28.90 29.03 
5008 29.12 30.59 30.46 29.25 29.86 
Means (weighted) 27.162 28.307 27.648 27.917 27.738 
TABLE 15 
SALINITY OF SAN FRaNcIsco Bay 
Period IV (October 7—October 12) 
Division 
of Bay Station Surface Bottom Flood Ebb Average* 
3 4967 33.14Y 32.90 32.80 33.24 33.02 
(36%) 4968 32.49 32.58 32.14 32.92 32.58 
4969 32.44V 32.39 32.13 32.70 32.42 
4970 31.97 32.13 31.39 32.71 32.06 
4 4971 31.90 32.16 31.60 32.48 32.04 
(10%) 4972 31.90 30.42 28.58 32.08 31.16 
4973 29.46 30.25 29.37 30.34 29.86 
4974 29.07 30.11 29.07 30.11 29.58 
* Mean of surface and bottom. 
