condition	mean	min	max
4 h after light	3.669365	3.51742	3.82131
8 h after light	5.18186	4.86992	5.4938
12 h after light	5.417995	4.988	5.84799
4 h after dark	2.04195	1.72984	2.35406
8 h after dark	1.26906	1.05716	1.48096
12 h after dark	2.792675	2.47692	3.10843