condition	mean	min	max
4 h after light	14.972604	12.333477	17.611731
8 h after light	13.978144	13.108959	14.847329
12 h after light	12.2257955	11.618781	12.83281
4 h after dark	10.700343499999999	8.402702	12.997985
8 h after dark	9.6647715	9.298958	10.030585
12 h after dark	14.603108	14.603108	14.603108