Song: "I Don't Like Mondays"
Artist: Boomtown Rats
Peak position on the Cashbox Singles chart: #84
Number of weeks on the Cashbox Singles chart: 7
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| January 26, 1980 | 93 | I Don't Like Mondays | Boomtown Rats | Columbia 11117 |
| February 2, 1980 | 91 | I Don't Like Mondays | Boomtown Rats | Columbia 11117 |
| February 9, 1980 | 89 | I Don't Like Mondays | Boomtown Rats | Columbia 11117 |
| February 16, 1980 | 87 | I Don't Like Mondays | Boomtown Rats | Columbia 11117 |
| February 23, 1980 | 86 | I Don't Like Mondays | Boomtown Rats | Columbia 11117 |
| March 1, 1980 | 85 | I Don't Like Mondays | Boomtown Rats | Columbia 11117 |
| March 8, 1980 | 84 | I Don't Like Mondays | Boomtown Rats | Columbia 11117 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.