condition	mean	min	max
4 h after light	0.03228575	0.0	0.0645715
8 h after light	0.0321053	0.0	0.0642106
12 h after light	0.04315485	0.0	0.0863097
4 h after dark	0.02636755	0.0	0.0527351
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0262558	0.0	0.0525116