condition	mean	min	max
4 h after light	16.57375	14.7819	18.3656
8 h after light	9.32725	9.2637	9.3908
12 h after light	11.7307	11.4389	12.0225
4 h after dark	11.6936	11.6372	11.75
8 h after dark	14.2866	13.5147	15.0585
12 h after dark	15.497399999999999	15.4719	15.5229