condition	mean	min	max
4 h after light	3.024465	2.72582	3.32311
8 h after light	3.25074	2.94367	3.55781
12 h after light	3.81872	3.68283	3.95461
4 h after dark	5.28545	4.97601	5.59489
8 h after dark	4.788055	4.51289	5.06322
12 h after dark	4.131005	3.32747	4.93454