condition	mean	min	max
4 h after light	61.2	61.2	61.2
8 h after light	37.7	25.9	49.5
12 h after light	44.85	25.5	64.2
4 h after dark	58.15	47.8	68.5
8 h after dark	38.0	26.0	50.0
12 h after dark	50.3	47.1	53.5