condition	mean	min	max
4 h after light	5.314299999999999	4.64598	5.98262
8 h after light	6.340685000000001	5.55574	7.12563
12 h after light	4.279195	3.48957	5.06882
4 h after dark	6.38047	6.14328	6.51635
8 h after dark	5.151596666666666	3.59057	6.80696
12 h after dark	7.187953333333333	6.06212	8.26729