condition	mean	min	max
4 h after light	9.74234	9.5812	9.92331
8 h after light	9.89291	9.79575	10.082230000000001
12 h after light	9.885893333333334	9.710939999999999	10.03439
4 h after dark	9.8897	9.75478	10.10796
8 h after dark	9.79474	9.62679	10.09741
12 h after dark	9.336359999999999	9.04445	9.52758