condition	mean	min	max
0 h after light	3.624855	3.39571	3.854
4 h after light	3.051495	2.83843	3.26456
8 h after light	8.84752	7.57994	10.1151
4 h after dark	8.70627	7.88946	9.52308
8 h after dark	4.135675	3.52132	4.75003
12 h after dark	3.94753	3.6289	4.26616