condition	mean	min	max
4 h after light	52.3	52.3	52.3
8 h after light	48.7	40.1	57.3
12 h after light	59.8	59.1	60.5
4 h after dark	61.05	48.3	73.8
8 h after dark	58.35	51.5	65.2
12 h after dark	47.25	46.2	48.3