condition	mean	min	max
4 h after light	17.103299999999997	15.4224	18.7842
8 h after light	13.91605	13.233	14.5991
12 h after light	13.36945	12.5896	14.1493
4 h after dark	14.711933333333333	14.3073	15.1836
8 h after dark	17.041	16.6209	17.6223
12 h after dark	15.097866666666667	14.1232	15.657