condition	mean	min	max
4 h after light	8.831322499999999	8.102761	9.559884
8 h after light	8.658366000000001	8.368469	8.948263
12 h after light	8.199911	7.85809	8.541732
4 h after dark	8.893776	8.893776	8.893776
8 h after dark	8.914422	8.737672	9.091172
12 h after dark	9.996698	9.996698	9.996698