condition	mean	min	max
2 h after light	9.581363333333334	9.22415	9.94252
6 h after light	8.63499	8.04032	9.51922
10 h after light	8.71815	8.56712	8.84627
2 h after dark	7.27029	6.82634	7.85141
6 h after dark	5.891623333333333	5.57406	6.22046
10 h after dark	5.517403333333333	4.85238	6.26136