site_number	salinity_ppt
I	37.54
I	37.01
I	36.71
I	37.03
I	37.32
I	37.01
I	37.03
I	37.7
I	37.36
I	36.75
I	37.45
I	38.85
II	40.17
II	40.8
II	39.76
II	39.7
II	40.79
II	40.44
II	39.79
II	39.38
III	39.04
III	39.21
III	39.05
III	38.24
III	38.53
III	38.71
III	38.89
III	38.66
III	38.51
III	40.58