condition	mean	min	max
4 h after light	2.9	2.9	2.9
8 h after light	3.5	2.0	5.0
12 h after light	17.4	16.3	18.5
4 h after dark	26.799999999999997	1.8	51.8
8 h after dark	26.599999999999998	15.9	37.3
12 h after dark	2.85	2.7	3.0