condition	mean	min	max
0 h after light	0.0	0.0	0.0
4 h after light	0.222917	0.0	0.445834
8 h after light	0.1113505	0.0	0.222701
4 h after dark	0.0	0.0	0.0
8 h after dark	0.2172835	0.0	0.434567
12 h after dark	0.0	0.0	0.0