condition	mean	min	max
0 h after light	6.326715	5.31177	7.34166
4 h after light	7.091565	4.62458	9.55855
8 h after light	4.71634	4.03525	5.39743
4 h after dark	4.619335	2.80406	6.43461
8 h after dark	7.56067	6.88647	8.23487
12 h after dark	7.564095	6.57442	8.55377