condition	mean	min	max
4 h after light	3.1989	2.77062	3.62718
8 h after light	3.9894549999999995	3.89078	4.08813
12 h after light	3.2088200000000002	2.8549	3.56274
4 h after dark	5.034126666666666	4.58616	5.8162
8 h after dark	4.436286666666667	3.55619	5.36713
12 h after dark	4.844036666666667	4.48665	5.28116