condition	mean	min	max
4 h after light	7.7	7.7	7.7
8 h after light	10.45	9.0	11.9
12 h after light	15.15	6.8	23.5
4 h after dark	4.6	4.4	4.8
8 h after dark	6.699999999999999	2.2	11.2
12 h after dark	18.3	6.5	30.1