condition	mean	min	max
4 h after light	12.04565	11.6762	12.4151
8 h after light	7.181305	7.0411	7.32151
12 h after light	7.26389	6.94321	7.58457
4 h after dark	6.628489999999999	6.44096	6.81602
8 h after dark	7.326885000000001	6.95675	7.69702
12 h after dark	6.029125	5.70128	6.35697