BWI, Baltimore
1. 29.9 inches (Jan 23-24 2016)
2. 28.2 inches (Feb 16-18 2003)
3. 26.6 inches (Jan 6-8 1996)
4. 26.5 inches (Jan 28-30 1922)
5. 26 inches (Feb 5-6 2010)
6. 22.8 inches (Feb 11-13 1983)
7. 22 inches (March 29-31 1942)
8. 21.4 inches (Feb 14-151899)
9. 20 inches (Feb 21-22 1979)
10. 19.5 inches (Feb 9-10 2010)
10. 15.5 inches (Feb 16-17 1958)
11. 14.9 inches (Jan 27-28 2000)