condition	mean	min	max
4 h after light	9.17051	7.61222	10.7288
8 h after light	7.97144	7.43064	8.51224
12 h after light	7.9066350000000005	6.73812	9.07515
4 h after dark	13.59885	11.1339	16.0638
8 h after dark	10.975249999999999	10.75	11.2005
12 h after dark	9.9503	9.3665	10.5341