condition	mean	min	max
4 h after light	5.193885	4.50026	5.88751
8 h after light	3.6033049999999998	3.50345	3.70316
12 h after light	5.43356	5.28869	5.57843
4 h after dark	7.67256	6.85195	8.68351
8 h after dark	13.8781	11.4511	16.5692
12 h after dark	12.2315	11.7006	12.8844