Seasons Months 2010 2011
Station I Station II Station I Station II
Post monsoon January 26 25 29 21
February 30 27 30 22
March 32 28 32 24
Summer April 33 29 30 28
May 35 30 33 27
June 37 29 37 26
Pre monsoon July 35 25 34 25
August 30 24 33 24
September 32 23 31 23
Monsoon October 31 23 32 22
November 27 18 29 15
December 24 14 24 13
Table 4: Monthly variations of salinity (‰) from January 2010 to December 2011.