condition	mean	min	max
0 h after light	8.079369999999999	7.62334	8.5354
4 h after light	6.7687349999999995	5.08448	8.45299
8 h after light	4.9314849999999995	3.65181	6.21116
4 h after dark	6.728975	6.41128	7.04667
8 h after dark	10.4234	10.1579	10.6889
12 h after dark	12.254095	8.95659	15.5516