condition	mean	min	max
4 h after light	4.27698	3.86939	4.68457
8 h after light	3.582215	3.45074	3.71369
12 h after light	4.150425	3.56467	4.73618
4 h after dark	7.273256666666667	7.04587	7.5794
8 h after dark	5.12847	4.91624	5.25686
12 h after dark	4.068163333333333	3.36328	4.52952