condition	mean	min	max
4 h after light	6.758005	5.81833	7.69768
8 h after light	3.675815	3.14267	4.20896
12 h after light	6.69703	5.75729	7.63677
4 h after dark	12.689499999999999	10.0643	15.3147
8 h after dark	7.122755	4.99909	9.24642
12 h after dark	11.3669	11.1481	11.5857