condition mean min max 0 h after light 8.97604 6.60648 11.3456 4 h after light 37.9522 30.7071 45.1973 8 h after light 52.94995 47.075 58.8249 4 h after dark 6.037765 5.56149 6.51404 8 h after dark 17.29775 10.2246 24.3709 12 h after dark 6.0852900000000005 3.68794 8.48264