condition	mean	min	max
4 h after light	5.6	5.6	5.6
8 h after light	45.3	43.3	47.3
12 h after light	39.95	35.3	44.6
4 h after dark	29.1	28.9	29.3
8 h after dark	58.7	54.6	62.8
12 h after dark	44.45	39.6	49.3