condition	mean	min	max
4 h after light	47.6	47.6	47.6
8 h after light	50.5	41.3	59.7
12 h after light	62.3	59.1	65.5
4 h after dark	55.35	36.2	74.5
8 h after dark	41.95	35.6	48.3
12 h after dark	50.35	42.7	58.0