condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.04552675 0.0 0.182107 3 h after dark 0.0 0.0 0.0 6 h after dark 0.06673266666666666 0.0 0.200198 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0