Date Amount
1/1/2008 1 7
1/5/2008 1
1/9/2008 1 Enter Formula using Ctrl + Shift + Enter (Array Formula)
1/13/2008 1 =SUM(IF(MONTH(B2:B29)=2,C2:C29,0))
1/17/2008 1
1/21/2008 1
1/25/2008 1
1/29/2008 1
2/2/2008 1
2/6/2008 1
2/10/2008 1
2/14/2008 1
2/18/2008 1
2/22/2008 1
2/26/2008 1
3/1/2008 1
3/5/2008 1
3/9/2008 1
3/13/2008 1
3/17/2008 1
3/21/2008 1
3/25/2008 1
3/29/2008 1
4/2/2008 1
4/6/2008 1
4/10/2008 1
4/14/2008 1
4/18/2008 1
+ Enter (Array Formula)