condition	mean	min	max
0 h after light	8.677620000000001	8.31892	9.03632
4 h after light	9.316015	8.72792	9.90411
8 h after light	13.1318	12.6454	13.6182
4 h after dark	18.03	15.8299	20.2301
8 h after dark	14.393	13.6187	15.1673
12 h after dark	9.346665	9.2891	9.40423