condition	mean	min	max
4 h after light	12.5	12.5	12.5
8 h after light	10.55	8.8	12.3
12 h after light	32.95	11.7	54.2
4 h after dark	44.6	3.8	85.4
8 h after dark	48.9	48.5	49.3
12 h after dark	28.15	23.3	33.0