condition	mean	min	max
4 h after light	13.287821999999998	10.319382	16.256262
8 h after light	12.36994	10.19866	14.54122
12 h after light	15.1887255	15.163515	15.213936
4 h after dark	18.177058000000002	14.122833	22.231283
8 h after dark	18.840343	17.390768	20.289918
12 h after dark	18.084803	18.084803	18.084803