condition	mean	min	max
4 h after light	14.608818	9.813136	19.4045
8 h after light	11.877006999999999	10.18694	13.567074
12 h after light	10.337978	9.067446	11.60851
4 h after dark	9.2930805	7.833347	10.752814
8 h after dark	8.651536499999999	7.601849	9.701224
12 h after dark	8.790062	8.790062	8.790062