condition mean min max 0 h after light 42.7431 40.5831 44.9031 4 h after light 39.16175 38.6476 39.6759 8 h after light 37.9041 37.6681 38.1401 4 h after dark 58.0733 57.8472 58.2994 8 h after dark 52.150549999999996 49.6736 54.6275 12 h after dark 42.1592 39.8148 44.5036