condition	mean	min	max
4 h after light	57.9	57.9	57.9
8 h after light	73.85	55.7	92.0
12 h after light	45.75	40.8	50.7
4 h after dark	57.0	17.6	96.4
8 h after dark	61.449999999999996	43.8	79.1
12 h after dark	40.25	26.0	54.5