condition	mean	min	max
0 h after light	15.14255	14.359	15.9261
4 h after light	15.91525	14.8945	16.936
8 h after light	16.5317	15.9252	17.1382
4 h after dark	21.938	20.3021	23.5739
8 h after dark	23.62315	22.8222	24.4241
12 h after dark	15.67275	13.0646	18.2809