condition	mean	min	max
4 h after light	9.76101	9.26511	10.03625
8 h after light	9.60707	9.03527	9.9315
12 h after light	9.56498	8.96865	9.90739
4 h after dark	9.49303	8.75543	9.874369999999999
8 h after dark	9.40662	8.777239999999999	9.8056
12 h after dark	9.50839	8.813839999999999	9.9039