Song: "Don't Ask Me Why"
Artist: Billy Joel
Peak position on the Cashbox Singles chart: #21
Number of weeks on the Cashbox Singles chart: 16
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| August 2, 1980 | 62 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| August 9, 1980 | 49 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| August 16, 1980 | 40 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| August 23, 1980 | 31 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| August 30, 1980 | 27 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| September 6, 1980 | 25 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| September 13, 1980 | 23 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| September 20, 1980 | 21 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| September 27, 1980 | 21 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| October 4, 1980 | 25 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| October 11, 1980 | 42 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| October 18, 1980 | 50 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| October 25, 1980 | 60 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| November 1, 1980 | 73 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| November 8, 1980 | 81 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
| November 15, 1980 | 94 | Don't Ask Me Why | Billy Joel | Columbia 11331 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.