Month FourseamSinkerChangeCurve
4/13 6.04 8.54 5.92 -3.80
5/13 7.12 8.17 6.08 -4.70
6/13 6.40 8.26 5.52 -5.04
7/13 7.27 8.70 5.96 -4.64
8/13 6.85 7.53 5.42 -4.23
9/13 6.97 8.50 6.08 -4.74