condition mean min max 4 h after light 0.5192158 0.0696236 0.968808 8 h after light 0.2719805 0.220678 0.323283 12 h after light 0.1119047 0.0952274 0.128582 4 h after dark 0.17917066666666667 0.127025 0.259236 8 h after dark 0.1794066 0.0537588 0.376794 12 h after dark 0.09955733333333333 0.0 0.187913