The U.S Bureau of Labor Statistics (BLS) (citation, USDL-17-1347) writes:
Hurricane Irma made landfall in Florida on September 10--during the reference period for both the establishment and household surveys--causing severe damage in Florida and other parts of the Southeast. Hurricane Harvey made landfall in Texas on August 25--prior to the September reference periods--resulting in severe damage in Texas and other areas of the Gulf Coast.
Our analysis suggests that the net effect of these hurricanes was to reduce the estimate of total nonfarm payroll employment for September. There was no discernible effect on the national unemployment rate. No changes were made to either the establishment or household survey estimation procedures for the September figures. For both surveys, collection rates generally were within normal ranges, both nationally and in the affected states. In the establishment survey, employees who are not paid for the pay period that includes the 12th of the month are not counted as employed. In the household survey, persons with a job are counted as employed even if they miss work for the entire survey reference week (the week including the 12th of the month), regardless of whether or not they are paid. For both surveys, national estimates do not include Puerto Rico or the U.S. Virgin Islands.
Further discussion of the impact of the recent hurricanes on the September estimates can be found in the Commissioner's Statement on the Employment Situation, at www.bls.gov/news.release/jec.nr0.htm. For additional information on how severe weather affects employment data, see Question 8 in the Frequently Asked Questions section of this news release.
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