condition	mean	min	max
0 h after light	6.47712	5.99159	6.96265
4 h after light	10.625399999999999	10.4352	10.8156
8 h after light	9.297799999999999	8.62003	9.97557
4 h after dark	9.31597	9.25829	9.37365
8 h after dark	9.203315	8.88639	9.52024
12 h after dark	6.347615	5.98355	6.71168