condition	mean	min	max
4 h after light	48.9	48.9	48.9
8 h after light	26.85	8.3	45.4
12 h after light	19.8	7.0	32.6
4 h after dark	15.15	6.5	23.8
8 h after dark	19.7	12.6	26.8
12 h after dark	30.65	8.5	52.8