condition	mean	min	max
4 h after light	12.56105	12.3936	12.7285
8 h after light	9.35492	9.03231	9.67753
12 h after light	9.252085	8.77949	9.72468
4 h after dark	11.27795	11.0273	11.5286
8 h after dark	13.9297	13.5009	14.3585
12 h after dark	12.54225	12.3772	12.7073