condition	mean	min	max
4 h after light	3.995819333333333	3.87897	4.166452
8 h after light	2.775636	1.912102	3.218507
12 h after light	2.371009	1.986795	2.901345
16 h after light	3.907618	3.358626	4.562551
4 h after dark	3.2649683333333335	2.94003	3.759352
8 h after dark	2.7555586666666665	1.774693	4.20592