condition	mean	min	max
4 h after light	6.561745	5.78903	7.33446
8 h after light	5.334645	5.06455	5.60474
12 h after light	5.958845	5.19625	6.72144
4 h after dark	7.290315	6.43511	8.14552
8 h after dark	5.772360000000001	5.72885	5.81587
12 h after dark	6.67127	6.40768	6.93486