condition	mean	min	max
4 h after light	1.7	1.7	1.7
8 h after light	4.800000000000001	3.2	6.4
12 h after light	12.25	3.5	21.0
4 h after dark	22.9	15.4	30.4
8 h after dark	13.1	4.8	21.4
12 h after dark	3.3000000000000003	2.2	4.4