condition	mean	min	max
4 h after light	33.0	33.0	33.0
8 h after light	22.25	5.7	38.8
12 h after light	42.7	21.0	64.4
4 h after dark	77.35	71.4	83.3
8 h after dark	66.15	58.8	73.5
12 h after dark	65.95	54.2	77.7