condition	mean	min	max
4 h after light	8.3	8.3	8.3
8 h after light	6.3	3.5	9.1
12 h after light	11.95	3.4	20.5
4 h after dark	40.5	7.6	73.4
8 h after dark	6.15	4.4	7.9
12 h after dark	6.7	6.5	6.9