condition	mean	min	max
4 h after light	78.3	78.3	78.3
8 h after light	73.25	56.4	90.1
12 h after light	60.65	38.8	82.5
4 h after dark	66.55	23.1	110.0
8 h after dark	85.5	70.9	100.1
12 h after dark	78.6	73.8	83.4