condition	mean	min	max
4 h after light	0.0765029	0.0507378	0.102268
8 h after light	0.0	0.0	0.0
12 h after light	0.02529875	0.0	0.0505975
4 h after dark	0.066337	0.0	0.132674
8 h after dark	0.0991443	0.0664866	0.131802
12 h after dark	0.04363725	0.0	0.0872745