Creep data from the Work Ranch site of Roger Bilham. The 30-m-long, invar-rod Work Ranch creep meter is located at 35.8597?N 120.3924?W. It crosses the fault at 30 degrees and at a depth of 50 cm. The principles of creep meter operation are described in Bilham et al. (2004) WorkRanchCoseismic.txt: Coseismic data from 9/26-9/28. The file contains local time, dextral creep in mm, and temperature in degrees Celsius. Also available in html (WorkRanchCoseismic.htm) WR28May28Sept04.txt: Data from the reinstallation of the site in May through Sept. More information about the Work Ranch site is available here: http://cires.colorado.edu/~bilham/WorkRanchSite.htm