Karan,
The data indicates that it snowed on March 1-2 in Pittsburgh.
Snowfall:
March 1: 2.1"
March 2: 1.1"
March 3: Trace
Temperatures:
March 1: 32-22
March 2: 25-19
March 3: 27-10
The March F-6 sheet for the March 1-3 period follows. Use the hyperlink at the bottom of this post if the data does not show up very well in the post:
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: PITTSBURGH
MONTH: MARCH
YEAR: 2005
LATITUDE: 40 30 N
LONGITUDE: 80 13 W
TEMPERATURE IN F:
CPN: SNOW: WIND :SUNSHINE: SKY PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 32 22 27 -8 38 0 0.21 2.1 5 15.6 26 270 M M 10 1 32 280
2 25 19 22 -13 43 0 0.08 1.1 6 16.8 30 270 M M 9 18 35 270
3 27 10 19 -16 46 0 T T 4 10.1 18 270 M M 5 23 280
http://www.erh.noaa.gov/er/pit/PITLCDMAR