Here are the most recent years where D.C. received 20 or more inches of snow (according to the folks at Accuweather). The approximate seven year cycle holds true for the last 22 years, but breaks down after that.
2002-2003 (40.4 inches; 7 years ago)
1995-1996 (46 inches; 14 years ago)
1987-1988 (25 inches; 22 years ago)
1986-1987 (31 inches; 23 years ago)
1982-1983 (27 inches; 27 years ago)
1981-1982 (22.5 inches; 28 years ago)
1978-1979 (37.7 inches, 31 years ago)
1977-1978 (22.7 inches; 32 years ago)
1967-1968 (21.4 inches; 42 years ago)
1966-1967 (37.1 inches; 43 years ago)
Bowie received the first snow accumulation of the season yesterday. It was a heavy, wet snow that started as rain. Here are some pictures from yesterday.
Bridge in Foxhill Park. My wife's brother told her many years ago that George Washington marched his troops over this bridge (not true).
Sledders in Foxhill Park
Belair Horse Stables
I've always liked this house in the Long Ridge section. Yeah, I know. The houses in the Long Ridge section all look the same, but this one is always so well maintained, and they have that great tree in the front yard.