Extremes for Danville: Maximum Precipitation on Labor Day Precipitation YEAR & DATE 1. 3.43 1952 (9/1) 2. 1.8 1999 (9/6) 3. 1 1953 (9/7) 4. 0.92 1981 (9/7) 5. 0.88 2004 (9/6) 6. 0.55 1974 (9/2) 7. 0.5 1959 (9/7) 8. 0.34 1987 (9/7) 9. 0.3 1948 (9/6) 10. 0.2 1988 (9/5)