condition	mean	min	max
0 h after light	7.034549999999999	6.90677	7.16233
4 h after light	4.386044999999999	2.58716	6.18493
8 h after light	5.0513650000000005	4.17021	5.93252
4 h after dark	4.997085	4.22467	5.7695
8 h after dark	7.523245	7.32782	7.71867
12 h after dark	4.988625	4.41665	5.5606