condition	mean	min	max
4 h after light	13.285	12.1028	14.4672
8 h after light	15.42285	15.1028	15.7429
12 h after light	15.234950000000001	14.9945	15.4754
4 h after dark	17.224800000000002	16.4793	17.9703
8 h after dark	14.66795	14.2054	15.1305
12 h after dark	14.2796	14.0065	14.5527