condition	mean	min	max
4 h after light	5.50205	4.49846	6.50564
8 h after light	9.044609999999999	8.93159	9.15763
12 h after light	9.924904999999999	9.87538	9.97443
4 h after dark	9.769316666666667	8.91692	10.7964
8 h after dark	8.835263333333334	8.19025	9.49619
12 h after dark	6.469623333333334	6.00084	6.89991