condition	mean	min	max
0 h after light	15.1858	15.1622	15.2094
4 h after light	13.695599999999999	12.8011	14.5901
8 h after light	13.1838	12.6985	13.6691
4 h after dark	16.8306	15.8848	17.7764
8 h after dark	18.8962	18.4867	19.3057
12 h after dark	16.476300000000002	15.4853	17.4673