condition	mean	min	max
0 h after light	6.02295	0.0	12.0459
4 h after light	0.0	0.0	0.0
8 h after light	6.12005	0.0	12.2401
4 h after dark	11.83285	11.8095	11.8562
8 h after dark	11.94235	0.0	23.8847
12 h after dark	0.0	0.0	0.0