condition	mean	min	max
4 h after light	7.73232	7.15806	8.30658
8 h after light	7.378785000000001	7.24898	7.50859
12 h after light	8.408005	8.33197	8.48404
4 h after dark	10.8485	10.5967	10.9747
8 h after dark	12.306833333333334	11.5367	12.7475
12 h after dark	9.091266666666666	8.31457	9.68938