condition	mean	min	max
4 h after light	9.92653	6.70156	13.1515
8 h after light	8.949745	8.13009	9.7694
12 h after light	12.49265	12.1955	12.7898
4 h after dark	23.258666666666667	22.889	23.5013
8 h after dark	21.7352	20.7422	22.9557
12 h after dark	12.0353	11.6865	12.3948