condition	mean	min	max
4 h after light	9.892528500000001	9.495763	10.289294
8 h after light	9.528633	9.138912	9.918354
12 h after light	8.7307935	8.322675	9.138912
4 h after dark	8.967951	8.03583	9.900072
8 h after dark	8.594561500000001	8.032696	9.156427
12 h after dark	8.279735	8.279735	8.279735