condition	mean	min	max
0 h after light	6.69368	6.32478	7.06258
4 h after light	5.986	5.539	6.433
8 h after light	17.5857	15.5098	19.6616
4 h after dark	16.7481	14.2931	19.2031
8 h after dark	12.35805	11.8564	12.8597
12 h after dark	8.294630000000002	8.12174	8.46752