condition	mean	min	max
4 h after light	2.3	2.3	2.3
8 h after light	10.8	6.2	15.4
12 h after light	3.15	3.0	3.3
4 h after dark	9.6	4.8	14.4
8 h after dark	21.799999999999997	9.2	34.4
12 h after dark	18.05	7.2	28.9