condition	mean	min	max
0 h after light	11.2397	10.8255	11.6539
4 h after light	10.4665	10.272	10.661
8 h after light	8.41957	8.02201	8.81713
4 h after dark	19.0333	17.0773	20.9893
8 h after dark	15.320450000000001	15.2781	15.3628
12 h after dark	12.9045	10.4045	15.4045