condition	mean	min	max
0 h after light	6.669485	6.54462	6.79435
4 h after light	5.94916	4.97972	6.9186
8 h after light	6.79785	6.18649	7.40921
4 h after dark	11.406649999999999	10.8336	11.9797
8 h after dark	9.991	9.8434	10.1386
12 h after dark	6.9318100000000005	6.92308	6.94054