condition	mean	min	max
3 h after light	7.96789	6.70364	8.66978
6 h after light	7.942026666666667	6.76252	8.73582
9 h after light	8.66057	8.43459	8.89224
12 h after light	9.57982	8.98487	10.5412
3 h after dark	11.50497	9.59321	13.7549
6 h after dark	11.535216666666667	9.70195	12.5299
9 h after dark	8.52262	8.05367	9.23986
12 h after dark	9.805869999999999	9.37314	10.2386