Song: "Clair"
Artist: Gilbert O'Sullivan
Peak position on the Cashbox Singles chart: #3
Number of weeks on the Cashbox Singles chart: 16
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| October 21, 1972 | 81 | Clair | Gilbert O'Sullivan | MAM 3626 |
| October 28, 1972 | 60 | Clair | Gilbert O'Sullivan | MAM 3626 |
| November 4, 1972 | 48 | Clair | Gilbert O'Sullivan | MAM 3626 |
| November 11, 1972 | 30 | Clair | Gilbert O'Sullivan | MAM 3626 |
| November 18, 1972 | 19 | Clair | Gilbert O'Sullivan | MAM 3626 |
| November 25, 1972 | 12 | Clair | Gilbert O'Sullivan | MAM 3626 |
| December 2, 1972 | 9 | Clair | Gilbert O'Sullivan | MAM 3626 |
| December 9, 1972 | 8 | Clair | Gilbert O'Sullivan | MAM 3626 |
| December 16, 1972 | 6 | Clair | Gilbert O'Sullivan | MAM 3626 |
| December 23, 1972 | 5 | Clair | Gilbert O'Sullivan | MAM 3626 |
| December 30, 1972 | 4 | Clair | Gilbert O'Sullivan | MAM 3626 |
| January 6, 1973 | 3 | Clair | Gilbert O'Sullivan | MAM 3626 |
| January 13, 1973 | 4 | Clair | Gilbert O'Sullivan | MAM 3626 |
| January 20, 1973 | 13 | Clair | Gilbert O'Sullivan | MAM 3626 |
| January 27, 1973 | 34 | Clair | Gilbert O'Sullivan | MAM 3626 |
| February 3, 1973 | 46 | Clair | Gilbert O'Sullivan | MAM 3626 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.