condition	mean	min	max
0 h after light	6.954705	6.73234	7.17707
4 h after light	5.010475	4.50303	5.51792
8 h after light	6.59987	5.71182	7.48792
4 h after dark	6.322895	5.59699	7.0488
8 h after dark	6.968705	6.86889	7.06852
12 h after dark	6.16657	5.03539	7.29775