condition	mean	min	max
4 h after light	6.888199999999999	6.7288	7.0476
8 h after light	5.86393	5.41802	6.30984
12 h after light	8.04153	8.01451	8.06855
4 h after dark	10.223435	9.91487	10.532
8 h after dark	9.30178	9.28915	9.31441
12 h after dark	8.503495000000001	8.47166	8.53533