condition	mean	min	max
4 h after light	43.9	43.9	43.9
8 h after light	9.75	9.0	10.5
12 h after light	17.8	3.4	32.2
4 h after dark	16.75	11.1	22.4
8 h after dark	12.6	11.7	13.5
12 h after dark	18.45	14.4	22.5