condition	mean	min	max
0 h after light	6.9599150000000005	6.83186	7.08797
4 h after light	5.5336549999999995	5.52539	5.54192
8 h after light	5.946145	5.78156	6.11073
4 h after dark	7.066265	7.00691	7.12562
8 h after dark	7.086285	6.93757	7.235
12 h after dark	6.257055	5.793	6.72111