condition mean min max 0 h after light 0.0260779 0.0 0.0521558 4 h after light 0.0256656 0.0 0.0513312 8 h after light 0.0515085 0.0 0.103017 4 h after dark 0.10236575 0.0513345 0.153397 8 h after dark 0.0512755 0.0 0.102551 12 h after dark 0.02543025 0.0 0.0508605