Eight was a TD Atlantic tropical cyclone that existed from July 16 to July 21, 2017 (6 days). It reached peak winds of 34 mph (30 kt) and a minimum central pressure of 1007 mb.
| Time (UTC) | Status | Lat | Lon | Winds (kt) | Pressure (mb) | Record |
|---|---|---|---|---|---|---|
| 2017-07-16 18:00 | LO | 12.50 | -114.90 | 25 | 1010 | |
| 2017-07-17 00:00 | LO | 12.80 | -115.40 | 25 | 1010 | |
| 2017-07-17 06:00 | TD | 13.10 | -115.90 | 25 | 1009 | |
| 2017-07-17 12:00 | TD | 13.40 | -116.30 | 25 | 1008 | |
| 2017-07-17 18:00 | TD | 13.70 | -116.80 | 30 | 1007 | |
| 2017-07-18 00:00 | TD | 14.10 | -117.40 | 30 | 1007 | |
| 2017-07-18 06:00 | TD | 14.50 | -118.00 | 30 | 1007 | |
| 2017-07-18 12:00 | TD | 14.80 | -118.60 | 30 | 1007 | |
| 2017-07-18 18:00 | TD | 14.90 | -119.20 | 30 | 1007 | |
| 2017-07-19 00:00 | TD | 14.90 | -119.90 | 30 | 1007 | |
| 2017-07-19 06:00 | TD | 14.70 | -120.50 | 30 | 1007 | |
| 2017-07-19 12:00 | TD | 14.50 | -121.00 | 25 | 1008 | |
| 2017-07-19 18:00 | TD | 14.30 | -121.50 | 25 | 1009 | |
| 2017-07-20 00:00 | TD | 14.10 | -122.00 | 25 | 1009 | |
| 2017-07-20 06:00 | LO | 13.90 | -122.50 | 25 | 1009 | |
| 2017-07-20 12:00 | LO | 13.70 | -123.00 | 25 | 1009 | |
| 2017-07-20 18:00 | LO | 13.40 | -123.70 | 25 | 1009 | |
| 2017-07-21 00:00 | LO | 12.90 | -124.50 | 25 | 1009 |
Source: NOAA National Hurricane Center HURDAT2 best-track database (nhc.noaa.gov/data). Data is in the public domain. Best-track positions and intensities are post-storm reanalysis estimates and may differ from real-time advisories.