condition	mean	min	max
4 h after light	27.6	27.6	27.6
8 h after light	60.8	38.4	83.2
12 h after light	64.25	63.0	65.5
4 h after dark	67.8	65.6	70.0
8 h after dark	63.2	55.5	70.9
12 h after dark	27.1	18.2	36.0