condition	mean	min	max
4 h after light	20.9	20.9	20.9
8 h after light	40.8	11.6	70.0
12 h after light	3.95	3.7	4.2
4 h after dark	10.25	3.1	17.4
8 h after dark	39.9	34.4	45.4
12 h after dark	3.8	3.8	3.8