"You Light Up My Life"
Johnny Mathis
Peak
#9
Weeks on Chart
24
Weeks at #1
0
Weeks at Peak
3
Debut Position
#76
Debut Date
Apr 1, 1978
Last Week
Sep 9, 1978
Chart History
| Week | Pos | Mv | Lw | Pk | Wks |
|---|---|---|---|---|---|
| Sep 9, 1978 | 187 | ▼64 | 123 | 9 | 24 |
| Sep 2, 1978 | 123 | • | 123 | 9 | 23 |
| Aug 26, 1978 | 123 | ▼20 | 103 | 9 | 22 |
| Aug 19, 1978 | 103 | • | 103 | 9 | 21 |
| Aug 12, 1978 | 103 | ▼36 | 67 | 9 | 20 |
| Aug 5, 1978 | 67 | ▼4 | 63 | 9 | 19 |
| Jul 29, 1978 | 63 | • | 63 | 9 | 18 |
| Jul 22, 1978 | 63 | ▼2 | 61 | 9 | 17 |
| Jul 15, 1978 | 61 | • | 61 | 9 | 16 |
| Jul 8, 1978 | 61 | ▼28 | 33 | 9 | 15 |
| Jul 1, 1978 | 33 | • | 33 | 9 | 14 |
| Jun 24, 1978 | 33 | ▼24 | 9 | 9 | 13 |
| Jun 17, 1978 | 9 | • | 9 | 9 | 12 |
| Jun 10, 1978 | 9 | • | 9 | 9 | 11 |
| Jun 3, 1978 | 9 | ▲2 | 11 | 9 | 10 |
| May 27, 1978 | 11 | ▲2 | 13 | 11 | 9 |
| May 20, 1978 | 13 | ▲2 | 15 | 13 | 8 |
| May 13, 1978 | 15 | ▲2 | 17 | 15 | 7 |
| May 6, 1978 | 17 | ▲3 | 20 | 17 | 6 |
| Apr 29, 1978 | 20 | ▲10 | 30 | 20 | 5 |
| Apr 22, 1978 | 30 | ▲19 | 49 | 30 | 4 |
| Apr 15, 1978 | 49 | ▲7 | 56 | 49 | 3 |
| Apr 8, 1978 | 56 | ▲20 | 76 | 56 | 2 |
| Apr 1, 1978 | 76 | NEW | — | 76 | 1 |
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