| 
      
        | Probability (%) | Salinity concentration (ppt) | Confidence Interval (95%) |  
        | Lower bound | Upper bound |  
        | 20 | 4.27 | 0.55 | 5.70 |  
        | 30 | 5.00 | 1.16 | 6.20 |  
        | 40 | 5.59 | 2.50 | 6.64 |  
        | 50 | 6.12 | 3.67 | 7.07 |  
        | 60 | 6.64 | 4.78 | 7.54 |  
        | 70 | 7.19 | 5.82 | 8.14 |  
        | 80 | 7.82 | 6.82 | 9.08 |  
        | 90 | 8.70 | 7.79 | 10.73 |  
        | 95 | 9.42 | 8.40 | 12.30 |  
        | 99 | 10.77 | 9.39 | 15.35 |  |