Looking back at the numbers...Interestingly, it's been a mixed bag following October snow...Going back to the 1970s: (BWI numbers)
1972: Trace, 72-73 Winter: 1.2"
1977: Trace, 77-78 Winter: 34.3"
1979: 0.3", 79-80 Winter: 14.6"
2004: Trace, 04-05 Winter: 18.3"
2011:..........well, ya know, lol