condition mean min max 0 h after light 14.69655 13.3735 16.0196 4 h after light 22.47355 18.5585 26.3886 8 h after light 14.799599999999998 9.9201 19.6791 4 h after dark 46.71205 41.5622 51.8619 8 h after dark 14.3219 13.5238 15.12 12 h after dark 30.45225 29.9965 30.908