condition	mean	min	max
4 h after light	12.36745	11.7738	12.9611
8 h after light	11.956800000000001	11.1911	12.7225
12 h after light	13.79165	13.5286	14.0547
4 h after dark	18.652333333333335	17.8981	19.2257
8 h after dark	18.7672	17.9798	19.8672
12 h after dark	14.547433333333334	14.5228	14.564