2004 Basin: East & Central Pacific Total storms: 12
| Index | ID | Name | Period | Min Sea Level Pressure (hPa) |
Max wind speed (knots) | # overpasses | # Features | snapshots | Rain accumulation |
| 1 | 200401 | AGATHA | 20040522 - 20040525 | 997 | 50 | 10 | 199 | snapshots | rain accumulation |
| 2 | 200402 | BLAS | 20040712 - 20040718 | 991 | 55 | 20 | 368 | snapshots | rain accumulation |
| 3 | 200403 | CELIA | 20040719 - 20040725 | 981 | 75 | 17 | 483 | snapshots | rain accumulation |
| 4 | 200404 | DARBY | 20040726 - 20040801 | 957 | 105 | 15 | 328 | snapshots | rain accumulation |
| 5 | 200405 | ESTELLE | 20040819 - 20040825 | 989 | 60 | 17 | 435 | snapshots | rain accumulation |
| 6 | 200406 | FRANK | 20040823 - 20040826 | 979 | 75 | 11 | 136 | snapshots | rain accumulation |
| 7 | 200407 | GEORGETTE | 20040826 - 20040902 | 995 | 55 | 24 | 545 | snapshots | rain accumulation |
| 8 | 200408 | HOWARD | 20040830 - 20040909 | 943 | 120 | 30 | 807 | snapshots | rain accumulation |
| 9 | 200409 | ISIS | 20040908 - 20040920 | 987 | 65 | 33 | 1303 | snapshots | rain accumulation |
| 10 | 200410 | JAVIER | 20040911 - 20040919 | 930 | 130 | 26 | 384 | snapshots | rain accumulation |
| 11 | 200411 | KAY | 20041004 - 20041007 | 1004 | 40 | 6 | 177 | snapshots | rain accumulation |
| 12 | 200412 | LESTER | 20041011 - 20041012 | 1000 | 45 | 3 | 43 | snapshots | rain accumulation |
