condition	mean	min	max
0 h after light	8.41766	8.2144	8.62092
4 h after light	13.7369	12.7269	14.7469
8 h after light	12.03625	10.9326	13.1399
4 h after dark	12.366150000000001	12.1974	12.5349
8 h after dark	9.67419	9.05328	10.2951
12 h after dark	9.19361	7.54702	10.8402