condition	mean	min	max
4 h after light	5.31765	4.0838	6.5515
8 h after light	5.1322849999999995	5.12668	5.13789
12 h after light	3.25594	2.39782	4.11406
4 h after dark	7.40774	7.36944	7.44604
8 h after dark	4.941845	4.75983	5.12386
12 h after dark	5.8828	5.80603	5.95957