condition	mean	min	max
4 h after light	44.7	44.7	44.7
8 h after light	67.25	57.1	77.4
12 h after light	46.65	26.3	67.0
4 h after dark	81.8	73.0	90.6
8 h after dark	68.05	43.5	92.6
12 h after dark	50.0	38.2	61.8