month_year  Day  Collection_Time  Salinity  Temperature  Raw_SW_RFU_1  Raw_SW_RFU_2  Raw_SW_RFU_3  Raw_SW_RFU_4  Mean_Raw_SW_RFU  Chl        
nov_2018    1    8:00             35        18.7         20.75         18.78         18.35         nd            19.29            4.48       
nov_2018    3    6:30             35        19.2         12.63         12.63         12.68         nd            12.65            2.93       
nov_2018    4    5:30             35        19.6         10.35         11.54         9.787         nd            10.56            2.45       
nov_2018    5    6:15             35        19.5         13.75         11.58         12.24         nd            12.52            2.91       
nov_2018    6    5:45             35        19.4         16.47         16.73         15.87         nd            16.36            3.79       
nov_2018    7    6:45             35        19           31.04         32.43         30.67         nd            31.38            7.28       
nov_2018    8    8:00             35        18.4         24.06         23.14         21.96         nd            23.05            5.35       
nov_2018    9    8:40             35        18.1         24.64         24.41         26.24         nd            25.10            5.82       
nov_2018    10   10:30            35        18.7         16.2          15.19         14.27         nd            15.22            3.53       
nov_2018    11   6:15             35        17.5         15.27         15.26         16.79         nd            15.77            3.66       
nov_2018    12   6:00             35        17.7         12.75         12.84         13.43         nd            13.01            3.02       
nov_2018    13   5:45             35        17.5         21.93         16.36         14.8          nd            17.70            4.11       
nov_2018    14   7:30             35        17.7         11.93         11.07         10.25         nd            11.08            2.57       
nov_2018    15   6:00             35        17.7         13.1          14.85         13.57         nd            13.84            3.21       
nov_2018    16   8:15             35        17.9         13.93         14.12         14.6          nd            14.22            3.30