condition mean min max 0 h after light 0.10639445 0.0710139 0.141775 4 h after light 0.1770655 0.144458 0.209673 8 h after light 0.0 0.0 0.0 4 h after dark 0.139516 0.139241 0.139791 8 h after dark 0.14021899999999998 0.139631 0.140807 12 h after dark 0.070792 0.0 0.141584