condition	mean	min	max
4 h after light	11.8174	10.4111	13.2237
8 h after light	8.24624	7.63732	8.85516
12 h after light	9.81663	9.09686	10.5364
4 h after dark	13.51505	12.6836	14.3465
8 h after dark	14.3798	14.3356	14.424
12 h after dark	13.03405	11.9956	14.0725