condition	mean	min	max
4 h after light	9.742556666666665	9.62159	9.829889999999999
8 h after light	9.92978	9.73093	10.03079
12 h after light	10.08789	9.951139999999999	10.22766
4 h after dark	9.890743333333335	9.724860000000001	10.06236
8 h after dark	9.7175	9.49442	9.829889999999999
12 h after dark	9.589703333333333	9.5172	9.63552