condition	mean	min	max
4 h after light	39.5	39.5	39.5
8 h after light	72.0	52.5	91.5
12 h after light	68.05	36.1	100.0
4 h after dark	39.8	17.8	61.8
8 h after dark	46.3	7.1	85.5
12 h after dark	50.05	42.3	57.8