Indeed, the combined downward revision for the two months of 258,000 was the largest - outside of those during the early months of the COVID-19 pandemic - since at least 1979. The monthly nonfarm payrolls report, released typically on the first Friday of each month, includes an initial estimate of employment changes for the immediately preceding month and revisions to the earlier estimates for the prior two months. BLS makes the revisions because more survey responses come in over the ensuing weeks and because it updates the seasonal factors affecting each month's estimates.