condition	mean	min	max
4 h after light	15.2766775	14.464747	16.088608
8 h after light	15.270731	14.587926	15.953536
12 h after light	15.262219	14.8858	15.638638
4 h after dark	12.559645	11.042075	14.077215
8 h after dark	13.981721499999999	10.463275	17.500168
12 h after dark	18.293991	18.293991	18.293991