condition	mean	min	max
4 h after light	11.3	11.3	11.3
8 h after light	46.25	44.9	47.6
12 h after light	8.45	7.6	9.3
4 h after dark	38.7	21.5	55.9
8 h after dark	30.0	26.7	33.3
12 h after dark	37.25	11.2	63.3