condition	mean	min	max
4 h after light	12.1707	10.3062	14.0352
8 h after light	14.0407	14.0163	14.0651
12 h after light	13.8421	13.7424	13.9418
4 h after dark	16.0912	15.4121	16.7703
8 h after dark	15.79335	15.5839	16.0028
12 h after dark	16.57105	16.2713	16.8708