condition	mean	min	max
4 h after light	34.1	34.1	34.1
8 h after light	60.05	31.8	88.3
12 h after light	51.95	45.9	58.0
4 h after dark	57.0	55.6	58.4
8 h after dark	65.9	62.9	68.9
12 h after dark	36.25	24.1	48.4