condition	mean	min	max
4 h after light	57.2	57.2	57.2
8 h after light	68.1	50.3	85.9
12 h after light	51.05	43.9	58.2
4 h after dark	33.85	26.5	41.2
8 h after dark	35.95	30.3	41.6
12 h after dark	55.05	35.4	74.7