condition	mean	min	max
4 h after light	55.9	55.9	55.9
8 h after light	43.2	28.9	57.5
12 h after light	38.7	35.9	41.5
4 h after dark	48.75	45.6	51.9
8 h after dark	33.55	5.8	61.3
12 h after dark	76.05	64.0	88.1