condition	mean	min	max
4 h after light	8.98767	7.29564	10.6797
8 h after light	6.135915000000001	5.91746	6.35437
12 h after light	6.65423	6.43066	6.8778
4 h after dark	7.42701	7.34821	7.52432
8 h after dark	8.8499	7.96099	10.1971
12 h after dark	8.85061	8.03906	9.68834