condition	mean	min	max
4 h after light	77.74170000000001	77.2375	78.2459
8 h after light	48.149950000000004	47.1464	49.1535
12 h after light	40.333749999999995	40.016	40.6515
4 h after dark	57.315799999999996	57.1503	57.4813
8 h after dark	69.44605	68.5053	70.3868
12 h after dark	86.1669	82.7478	89.586