| Month | Benzene | Toluene | Ethyl benzene | m,p-Xylene | o-Xylene | BTEX | |
| January | Mean | 79.15 | 240.29 | 62.96 | 55.83 | 46.55 | 413.35 |
| SD | 35.64 | 174.04 | 32.75 | 21.43 | 43.41 | 207.31 | |
| Max | 128.08 | 545.83 | 69.25 | 52.50 | 201.67 | 766.00 | |
| Min | 44.17 | 63.33 | 0.00 | 0.00 | 0.00 | 129.17 | |
| February | Mean | 56.89 | 121.07 | 60.00 | 30.69 | 5.26 | 243.92 |
| SD | 26.91 | 85.37 | 51.48 | 75.19 | 12.89 | 125.08 | |
| Max | 98.33 | 282.92 | 125.00 | 184.17 | 31.58 | 395.33 | |
| Min | 33.33 | 57.50 | 0.00 | 0.00 | 0.00 | 99.17 | |
| March | Mean | 47.40 | 99.07 | 53.11 | 0.00 | 20.42 | 177.99 |
| SD | 11.29 | 15.34 | 41.88 | 0.00 | 14.94 | 59.42 | |
| Max | 66.92 | 125.83 | 106.67 | 0.00 | 30.83 | 275.25 | |
| Min | 35.00 | 82.50 | 0.00 | 0.00 | 0.00 | 117.50 | |
| April | Mean | 59.65 | 160.36 | 36.25 | 0.00 | 0.00 | 238.14 |
| SD | 13.75 | 40.63 | 33.58 | 0.00 | 0.00 | 48.27 | |
| Max | 77.33 | 233.33 | 74.67 | 0.00 | 0.00 | 310.67 | |
| Min | 42.50 | 103.33 | 0.00 | 0.00 | 0.00 | 170.00 | |
| May | Mean | 62.64 | 187.72 | 41.64 | 61.39 | 27.82 | 311.15 |
| SD | 17.25 | 107.08 | 32.56 | 58.02 | 22.72 | 114.95 | |
| Max | 85.22 | 353.59 | 69.58 | 184.17 | 55.65 | 473.59 | |
| Min | 38.01 | 71.83 | 0.00 | 0.00 | 0.00 | 157.32 | |
| June | Mean | 55.60 | 167.57 | 42.56 | 22.74 | 21.42 | 280.72 |
| SD | 32.79 | 78.22 | 39.56 | 17.65 | 16.59 | 66.52 | |
| Max | 113.97 | 279.03 | 134.93 | 35.73 | 32.22 | 359.58 | |
| Min | 14.42 | 87.26 | 0.00 | 0.00 | 0.00 | 199.03 | |