condition	mean	min	max
4 h after light	11.33825	8.59755	13.2813
8 h after light	7.86831	3.11801	11.0779
12 h after light	8.13972	4.94058	12.3176
4 h after dark	11.91134	7.91562	14.528
8 h after dark	11.182126666666667	6.75168	14.423
12 h after dark	12.1478	10.9999	13.566