condition	mean	min	max
4 h after light	16.2	16.2	16.2
8 h after light	70.1	48.9	91.3
12 h after light	37.4	30.3	44.5
4 h after dark	52.85	44.0	61.7
8 h after dark	98.85	89.0	108.7
12 h after dark	70.0	50.4	89.6