condition	mean	min	max
4 h after light	4.7	4.7	4.7
8 h after light	2.3	2.1	2.5
12 h after light	18.75	8.8	28.7
4 h after dark	7.45	4.6	10.3
8 h after dark	13.950000000000001	4.8	23.1
12 h after dark	11.15	3.6	18.7