condition mean min max 0 h after light 14.2357 13.4752 14.9962 4 h after light 11.29775 10.358 12.2375 8 h after light 9.70285 8.7732 10.6325 4 h after dark 18.886049999999997 16.8904 20.8817 8 h after dark 17.2524 17.1699 17.3349 12 h after dark 15.0589 13.8461 16.2717