condition mean min max 0 h after light 38.975750000000005 38.941 39.0105 4 h after light 47.964 47.6452 48.2828 8 h after light 31.700400000000002 26.2672 37.1336 4 h after dark 46.17755 41.9313 50.4238 8 h after dark 47.795950000000005 47.1314 48.4605 12 h after dark 35.45025 35.2916 35.6089