Extremes for Danville: Minimum High Temperatures on Labor Day High YEAR & DATE 1. 71 1986 (9/1) 2. 72 1994 (9/5) 3. 73 2006 (9/4) 4. 73 1999 (9/6) 5. 74 1968 (9/2) 6. 76 1991 (9/2) 7. 77 2004 (9/6) 8. 77 1987 (9/7) 9. 78 2000 (9/4) 10. 78 1965 (9/6)