condition	mean	min	max
4 h after light	5.3	5.3	5.3
8 h after light	15.9	8.7	23.1
12 h after light	12.75	3.9	21.6
4 h after dark	43.65	32.0	55.3
8 h after dark	11.15	2.0	20.3
12 h after dark	45.8	45.0	46.6