condition	mean	min	max
4 h after light	9.496606666666667	9.42347	9.59135
8 h after light	9.59589	9.52668	9.63842
12 h after light	9.800699999999999	9.77023	9.83
4 h after dark	9.81087	9.7642	9.88993
8 h after dark	9.64695	9.57506	9.75371
12 h after dark	9.436043333333334	9.28432	9.55025