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	0.01181925	0.0	0.0236385
4 h after dark	0.02520195	0.0	0.0504039
8 h after dark	0.0	0.0	0.0
12 h after dark	0.0	0.0	0.0