condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.047434666666666674 0.0 0.142304 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 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