  We search for a redshift dependence of $\sigma_8^0$ using 23 growth rate
measurements from redshift space distortions and peculiar velocity measurements
as a consistency check of $\Lambda$CDM. For this purpose we use the dataset
from arXiv:1806.10822 consisting of 22 measurements, which has been vetted for
internal consistencies. Eighteen of these measurements have been obtained from
the Gold-2017 sample, collated from multiple redshift space distortion surveys
between 2009 and 2016, whereas the remaining four have been obtained from the
eBOSS DR14 quasar survey. We also added one additional data point from the BOSS
DR12 CMASS galaxy sample. We find that for this dataset the $\sigma_8^0$ values
are consistent between the low redshift and high redshift samples using three
different redshift cuts. This implies that the growth rate measurements are
consistent with a constant $\sigma_8^0$ in accord with $\Lambda$CDM, assuming
there are no uncontrolled systematics in this dataset.
