I looked and could not find the answer.
On the Sheets it shows THORO-PATTERN to the right of that it reads
 (Beach Patrols sheet)
STS  TOP%  PR%  Off%  X%
198   34    36   23    7

What do these numbers represent and over what time period?
TY  
Johnny

TGAB: There\'s an explanation of the Thoro-Pattern on the Introduction page. Simply click on Thoro-Pattern.