condition	mean	min	max
4 h after light	3.74855	2.8081	5.33653
8 h after light	3.18328	1.53408	4.3685
12 h after light	4.909583333333334	3.62184	6.64061
4 h after dark	14.950800000000001	14.3261	15.8505
8 h after dark	11.942446666666667	6.17744	15.9443
12 h after dark	5.97818	4.6394	6.67892