condition	mean	min	max
4 h after light	2.4	2.4	2.4
8 h after light	7.6	7.3	7.9
12 h after light	23.35	18.1	28.6
4 h after dark	15.4	8.8	22.0
8 h after dark	4.35	1.9	6.8
12 h after dark	18.349999999999998	3.9	32.8