condition	mean	min	max
0 h after light	18.622	18.2787	18.9653
4 h after light	22.24785	21.9909	22.5048
8 h after light	26.2262	24.5425	27.9099
4 h after dark	14.51165	12.5023	16.521
8 h after dark	16.6225	15.9928	17.2522
12 h after dark	15.81615	14.0301	17.6022