condition	mean	min	max
4 h after light	0.0	0.0	0.0
8 h after light	0.0	0.0	0.0
12 h after light	0.0	0.0	0.0
4 h after dark	0.040636	0.0	0.081272
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0200418	0.0	0.0400836