condition	mean	min	max
0 h after light	8.906234999999999	8.86337	8.9491
4 h after light	5.237814999999999	4.76445	5.71118
8 h after light	4.038825	3.93484	4.14281
4 h after dark	6.49167	5.68907	7.29427
8 h after dark	7.033795	6.51552	7.55207
12 h after dark	7.828469999999999	7.08426	8.57268