condition	mean	min	max
4 h after light	6.121345	5.81032	6.43237
8 h after light	7.063034999999999	6.61738	7.50869
12 h after light	6.64471	5.92453	7.36489
4 h after dark	10.83125	10.4907	11.1718
8 h after dark	8.648965	8.26245	9.03548
12 h after dark	8.4592	8.15485	8.76355