condition	mean	min	max
4 h after light	8.816880000000001	8.73595	8.89781
8 h after light	7.528145	7.01256	8.04373
12 h after light	7.537045	6.26962	8.80447
4 h after dark	10.51764	9.53248	11.5028
8 h after dark	6.6669350000000005	6.33269	7.00118
12 h after dark	9.857685	9.35177	10.3636