condition	mean	min	max
4 h after light	17.9	17.9	17.9
8 h after light	36.05	23.9	48.2
12 h after light	38.65	32.8	44.5
4 h after dark	16.1	11.8	20.4
8 h after dark	9.8	5.2	14.4
12 h after dark	6.35	5.5	7.2