condition	mean	min	max
4 h after light	17.6	17.6	17.6
8 h after light	15.15	3.0	27.3
12 h after light	43.5	31.7	55.3
4 h after dark	36.7	28.9	44.5
8 h after dark	41.5	17.6	65.4
12 h after dark	33.9	32.4	35.4