condition mean min max 0 h after light 16.4952 16.3173 16.6731 2 h after light 21.64245 18.5248 24.7601 4 h after light 16.91725 16.0463 17.7882 8 h after light 19.09635 17.1406 21.0521 12 h after light 29.587600000000002 27.8587 31.3165 2 h after dark 34.633250000000004 32.8294 36.4371 4 h after dark 28.210549999999998 27.139 29.2821 8 h after dark 25.785449999999997 23.868 27.7029 12 h after dark 17.438299999999998 16.0273 18.8493