condition	mean	min	max
0 h after light	2.730455	2.69431	2.7666
4 h after light	5.965065	5.44571	6.48442
8 h after light	6.71349	5.92718	7.4998
4 h after dark	5.836185	4.23385	7.43852
8 h after dark	5.406055	5.39336	5.41875
12 h after dark	3.457605	3.2961	3.61911