condition mean min max 4 h after light 6.574809999999999 5.65243 7.49719 8 h after light 3.84505 3.33385 4.35625 12 h after light 3.90034 3.86101 3.93967 4 h after dark 5.890383333333333 5.56598 6.22378 8 h after dark 7.47646 6.42533 8.02252 12 h after dark 6.966043333333333 6.2209 7.39067