condition	mean	min	max
4 h after light	3.34898	2.70692	3.99104
8 h after light	5.46429	4.78891	6.13967
12 h after light	6.6637	6.29868	7.02872
4 h after dark	9.279264999999999	8.42173	10.1368
8 h after dark	8.273055	8.20377	8.34234
12 h after dark	6.993855	6.78785	7.19986