condition	mean	min	max
4 h after light	0.0045128	0.0	0.0090256
8 h after light	0.003575925	0.0	0.00715185
12 h after light	0.00416717	0.0	0.00833434
4 h after dark	0.00329336	0.0	0.00988008
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0