condition	mean	min	max
0 h after light	24.3186	19.4757	29.1615
4 h after light	15.11145	14.3758	15.8471
8 h after light	17.3202	16.8296	17.8108
4 h after dark	22.47825	22.0443	22.9122
8 h after dark	27.1641	25.8484	28.4798
12 h after dark	25.4974	20.4164	30.5784