condition	mean	min	max
4 h after light	7.0413049999999995	6.55053	7.53208
8 h after light	4.81496	4.08784	5.54208
12 h after light	8.720455000000001	5.96161	11.4793
4 h after dark	35.4814	30.8554	39.6634
8 h after dark	9.909096666666667	7.48779	11.6465
12 h after dark	5.18032	4.32243	5.99109