condition	mean	min	max
2 h after light	7.753056666666667	4.7977	10.203
6 h after light	5.900661666666666	4.15023	7.90573
10 h after light	9.337675	6.0464	11.73
14 h after light	8.387965	4.77957	14.2201
18 h after light	8.240295	7.0616	9.24374
2 h after dark	9.258798333333333	6.73666	11.225