condition	mean	min	max
4 h after light	7.015905	6.24538	7.78643
8 h after light	5.1259	4.9223	5.3295
12 h after light	6.04087	5.50492	6.57682
4 h after dark	6.734273333333333	6.19564	7.45738
8 h after dark	7.366603333333333	6.9552	7.9357
12 h after dark	6.804523333333334	6.49136	7.15617