condition	mean	min	max
0 h after light	9.411999999999999	9.38701	9.43699
4 h after light	8.72906	8.5356	8.92252
8 h after light	7.7336350000000005	7.39447	8.0728
4 h after dark	9.256015	8.11163	10.4004
8 h after dark	9.726939999999999	9.66972	9.78416
12 h after dark	9.06637	8.32771	9.80503