condition	mean	min	max
4 h after light	0.0271054	0.0	0.0542108
8 h after light	0.0	0.0	0.0
12 h after light	0.0355768	0.0	0.0711536
4 h after dark	0.0	0.0	0.0
8 h after dark	0.0	0.0	0.0
12 h after dark	0.01947545	0.0	0.0389509