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| Number | Name | Basin | Birth (UTC) | Death (UTC) | Duration | Min. Pres. | |
|---|---|---|---|---|---|---|---|
| 1 | 191801 | unnamed | W. S. Pacific | 1917-12-12 23:00 | 1917-12-17 17:00 | 4 Days 18 Hours | 996 |
| 2 | 191802 | unnamed | W. S. Pacific | 1917-12-18 01:00 | 1917-12-20 01:00 | 2 Days 0 Hours | |
| 3 | 191803 | unnamed | W. S. Pacific | 1918-01-19 23:00 | 1918-01-22 23:00 | 3 Days 0 Hours | 933 |
| 4 | 191804 | unnamed | W. S. Pacific | 1918-01-31 01:00 | 1918-02-04 01:00 | 4 Days 0 Hours | 970 |
| 5 | 191806 | unnamed | W. S. Pacific | 1918-03-07 23:00 | 1918-03-11 23:00 | 4 Days 0 Hours | 944 |
| 6 | 191807 | unnamed | W. S. Pacific | 1918-03-14 23:00 | 1918-03-17 10:00 | 2 Days 11 Hours | 985 |
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