condition	mean	min	max
4 h after light	4.189535	3.09195	5.28712
8 h after light	3.038825	2.73127	3.34638
12 h after light	4.04811	3.87689	4.21933
4 h after dark	4.560106666666667	3.75249	5.1315
8 h after dark	4.78962	3.14192	6.21457
12 h after dark	4.40642	4.05175	4.82352