condition	mean	min	max
4 h after light	2.0	2.0	2.0
8 h after light	15.55	12.9	18.2
12 h after light	21.1	14.7	27.5
4 h after dark	33.05	32.5	33.6
8 h after dark	14.649999999999999	13.1	16.2
12 h after dark	15.25	13.8	16.7