condition	mean	min	max
4 h after light	6.65592	5.72495	7.58689
8 h after light	7.22105	6.15659	8.28551
12 h after light	6.964255	4.86596	9.06255
4 h after dark	11.185563333333333	9.59419	12.0863
8 h after dark	8.26869	4.4261	10.434
12 h after dark	8.537083333333333	6.57075	9.93314