condition	mean	min	max
4 h after light	61.8	61.8	61.8
8 h after light	15.5	3.8	27.2
12 h after light	37.35	12.9	61.8
4 h after dark	58.05	56.2	59.9
8 h after dark	13.3	10.7	15.9
12 h after dark	64.35	44.0	84.7