pig ph tunnel rapid
73  high  8.44  8.44  
74  high  7.11  6.00  
75  high  6.00  5.78  
76  high  7.56  7.67  
77  low  7.22  5.56   
78  high  5.11  4.56  
79  low  3.11  3.33   
80  high  8.67  8.00  
81  low  7.44  7.00   
82  low  4.33  4.89   
83  low  6.78  6.56   
84  low  5.56  5.67   
85  low  7.33  6.33   
86  low  4.22  5.67   
87  high  5.78  7.67  
94  low  5.78  5.56   
95  low  6.44  5.67   
96  low  8.00  5.33