condition	mean	min	max
4 h after light	65.7	65.7	65.7
8 h after light	52.2	40.4	64.0
12 h after light	45.7	45.2	46.2
4 h after dark	25.1	20.2	30.0
8 h after dark	22.9	5.5	40.3
12 h after dark	42.45	37.7	47.2