BWI Snow Normals

BWI Airport, Anne Arundel County

Month Normal Monthly Snowfall (inches) Greatest 2-Day Snowfall Total Most Recent Dates of Occurrence
January 6.6 22.5 1/7/96-1/8/96
February 7.5 24.42/16/03-2/17/03
March 3.013.03/5/62-3/6/62
April *0.63/30/64-4/1/64
May T0.0N/A
June 0.00.0N/A
July 0.00.0N/A
August 0.00.0N/A
September 0.00.0N/A
October *0.0N/A
November 1.15.911/6/53-11/7/53
December 3.614.1 12/11/60-12/12/60
Annual 21.922.82/11/83-2/12/83

Normals are calculated using data collected from 1961-1990.

T indicates an observable trace amount.

* indicates a calculated amount greater than 0.0 but less than 0.05.

10 Largest 2-Day Snow Events 1948-2003

RankSnow (inches) Dates
124.42/16/03-2/17/03
222.82/11/83-2/12/83
322.82/10/83-2/11/83
422.51/7/96-1/8/96
520.02/18/79-2/19/79
615.81/6/96-1/7/96
715.52/15/58-2/16/58
814.901/24/00-01/25/00
914.112/11/60-12/12/60
1013.03/5/62-3/6/62