condition	mean	min	max
4 h after light	88.7	88.7	88.7
8 h after light	49.35	44.1	54.6
12 h after light	75.0	69.3	80.7
4 h after dark	103.5	68.4	138.6
8 h after dark	67.4	60.3	74.5
12 h after dark	30.4	14.0	46.8