condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.274833 0.0 0.549666 12 h after light 0.0 0.0 0.0 2 h after dark 0.2739765 0.0 0.547953 4 h after dark 0.0 0.0 0.0 8 h after dark 0.2993255 0.0 0.598651 12 h after dark 0.0 0.0 0.0