condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.128822 0.0 0.242085 9 h after light 0.40958433333333333 0.360577 0.455055 12 h after light 0.05211833333333333 0.0 0.156355 3 h after dark 0.055440333333333335 0.0 0.166321 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0