condition	mean	min	max
4 h after light	3.61612	3.49284	3.7394
8 h after light	8.55045	8.3904	8.7105
12 h after light	0.418871	0.201074	0.636668
4 h after dark	0.18683349999999999	0.185493	0.188174
8 h after dark	0.02644185	0.0263249	0.0265588
12 h after dark	0.03508785	0.026147	0.0440287