condition	mean	min	max
4 h after light	12.6	12.6	12.6
8 h after light	13.7	12.1	15.3
12 h after light	7.65	7.3	8.0
4 h after dark	14.5	4.4	24.6
8 h after dark	35.4	14.7	56.1
12 h after dark	10.45	9.6	11.3