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	0.0326123	0.0	0.0652246
8 h after dark	0.0319364	0.0	0.0638728
12 h after dark	0.054132	0.0	0.108264