condition	mean	min	max
4 h after light	6.59365	3.71114	8.3617
8 h after light	6.98661	1.55829	12.0839
12 h after light	9.535943333333334	4.94601	15.5365
4 h after dark	10.841003333333333	7.18791	14.0471
8 h after dark	10.69876	9.45578	12.1526
12 h after dark	8.101	7.59421	9.10392