condition	mean	min	max
4 h after light	6.90283	6.22688	7.57878
8 h after light	6.418345	6.19356	6.64313
12 h after light	7.30809	6.85682	7.75936
4 h after dark	9.521515	8.92683	10.1162
8 h after dark	9.384965000000001	8.93941	9.83052
12 h after dark	8.44483	8.43039	8.45927