Those with a fever higher than 100.4 degrees in the secondary temperature check will not be allowed to enter. Anyone who displays a temperature of 100.4 degrees or higher will be taken to a private area for a second temperature screening. Using thermal cameras, non-invasive temperature checks will be conducted for everyone entering the property. What To Know About Graton Resort & Casino's New Health And Safety Guidelines Temperature Checks In a news release about Thursday's reopening, Graton said almost all of its 1,200 employees who were furloughed during the temporary closure were rehired, and that every employee has been trained on the new safety protocols in accordance with all state and local recommendations.