condition	mean	min	max
4 h after light	0.190181	0.0	0.380362
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	1.5182933333333335	0.0	2.48708
8 h after dark	0.3894033333333333	0.0	1.16821
12 h after dark	0.5773733333333334	0.0	1.73212