condition	mean	min	max
4 h after light	5.39072	5.3284	5.45304
8 h after light	14.97805	14.4876	15.4685
12 h after light	23.124000000000002	22.4872	23.7608
4 h after dark	12.450949999999999	12.046	12.8559
8 h after dark	8.26113	7.84836	8.6739
12 h after dark	6.588765	6.18535	6.99218