condition	mean	min	max
4 h after light	7.54601	6.98996	7.92071
8 h after light	5.504823333333333	1.84579	8.7691
12 h after light	6.5962499999999995	4.09477	9.93051
4 h after dark	13.6068	11.2024	17.1193
8 h after dark	15.568766666666667	13.8644	18.0899
12 h after dark	7.678206666666666	6.69778	8.7188