condition	mean	min	max
4 h after light	8.7	8.7	8.7
8 h after light	40.55	24.0	57.1
12 h after light	57.95	55.6	60.3
4 h after dark	59.2	51.4	67.0
8 h after dark	38.5	24.7	52.3
12 h after dark	20.45	7.6	33.3