condition mean min max 4 h after light 50.70515 48.2734 53.1369 8 h after light 51.4994 50.356 52.6428 12 h after light 49.847049999999996 49.8426 49.8515 4 h after dark 57.236900000000006 55.9172 58.5566 8 h after dark 53.873400000000004 53.5227 54.2241 12 h after dark 53.8587 53.5598 54.1576