condition	mean	min	max
4 h after light	3.3	3.3	3.3
8 h after light	13.25	5.2	21.3
12 h after light	5.25	5.2	5.3
4 h after dark	3.9499999999999997	3.3	4.6
8 h after dark	37.45	18.6	56.3
12 h after dark	3.55	2.8	4.3