condition	mean	min	max
0 h after light	7.49005	7.23952	7.74058
4 h after light	15.740275	9.92995	21.5506
8 h after light	9.671545	2.12579	17.2173
4 h after dark	8.233835	1.29897	15.1687
8 h after dark	14.642800000000001	11.5177	17.7679
12 h after dark	3.3767505	0.973241	5.78026