condition	mean	min	max
4 h after light	2.270645	0.0	4.54129
8 h after light	0.0	0.0	0.0
12 h after light	2.264365	0.0	4.52873
4 h after dark	0.0	0.0	0.0
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0