condition	mean	min	max
4 h after light	2.288375	0.0	4.57675
8 h after light	0.0	0.0	0.0
12 h after light	2.264365	0.0	4.52873
4 h after dark	13.99723	7.91666	20.0778
8 h after dark	25.68235	23.5939	27.7708
12 h after dark	16.341250000000002	13.1537	19.5288