condition	mean	min	max
4 h after light	20.8	20.8	20.8
8 h after light	17.7	12.5	22.9
12 h after light	8.3	5.0	11.6
4 h after dark	43.25	30.2	56.3
8 h after dark	19.7	9.4	30.0
12 h after dark	20.549999999999997	13.7	27.4