condition	mean	min	max
4 h after light	7.518509999999999	5.97413	9.06289
8 h after light	7.9761050000000004	7.65234	8.29987
12 h after light	9.720009999999998	9.63872	9.8013
4 h after dark	7.312056666666667	6.93236	7.74608
8 h after dark	7.489556666666667	7.14111	8.07243
12 h after dark	7.367416666666666	6.98989	7.5924