condition	mean	min	max
4 h after light	5.52658	4.80732	6.24584
8 h after light	3.754215	3.64247	3.86596
12 h after light	8.386054999999999	7.86144	8.91067
4 h after dark	20.453	19.206	21.7711
8 h after dark	17.559	16.9962	17.9612
12 h after dark	15.2303	15.1721	15.2952