condition	mean	min	max
4 h after light	48.9	48.9	48.9
8 h after light	63.5	45.0	82.0
12 h after light	30.7	23.6	37.8
4 h after dark	60.9	57.9	63.9
8 h after dark	58.75	46.9	70.6
12 h after dark	43.7	40.8	46.6