condition	mean	min	max
4 h after light	30.8	30.8	30.8
8 h after light	10.3	4.9	15.7
12 h after light	3.0	1.7	4.3
4 h after dark	4.6	4.4	4.8
8 h after dark	9.15	5.5	12.8
12 h after dark	24.0	12.9	35.1