condition	mean	min	max
4 h after light	4.975275	4.95593	4.99462
8 h after light	6.663775	6.60698	6.72057
12 h after light	6.604464999999999	6.58381	6.62512
4 h after dark	11.489899999999999	10.158	12.8218
8 h after dark	7.82399	7.62632	8.02166
12 h after dark	7.590195	7.47044	7.70995