condition	mean	min	max
4 h after light	9.862536666666665	9.823319999999999	9.932039999999999
8 h after light	9.857106666666667	9.820839999999999	9.88181
12 h after light	9.978513333333334	9.9455	10.00191
4 h after dark	10.48844	10.42625	10.56736
8 h after dark	10.442593333333333	10.39403	10.52551
12 h after dark	10.71831	10.64352	10.81658