condition	mean	min	max
4 h after light	6.54014	5.85437	7.22591
8 h after light	7.63687	7.31423	7.95951
12 h after light	8.544865000000001	8.13502	8.95471
4 h after dark	11.1096	10.1044	12.5974
8 h after dark	11.926166666666667	11.6082	12.1484
12 h after dark	7.93173	7.79108	8.11338