Storm Activity: Jul 26, 2004 - Aug 1, 2004
Aug 1 · 06:00 GMT 30 mph 1,007 mb Tropical Depression
| Aug 1 | 06:00 GMT | 19.3 | -142 | 30 mph | 1,007 mb | Tropical Depression | -- |
| Aug 1 | 03:00 GMT | 19.13 | -141.2 | 30 mph | 1,007 mb | Tropical Depression | -- |
| Aug 1 | 00:00 GMT | 19 | -140.4 | 30 mph | 1,007 mb | Tropical Depression | -- |
| Jul 31 | 21:00 GMT | 18.93 | -139.59 | 30 mph | 1,007 mb | Tropical Depression | -- |
| Jul 31 | 18:00 GMT | 18.9 | -138.8 | 30 mph | 1,007 mb | Tropical Depression | -- |
| Jul 31 | 15:00 GMT | 18.84 | -138.03 | 30 mph | 1,006 mb | Tropical Depression | -- |
| Jul 31 | 12:00 GMT | 18.8 | -137.3 | 35 mph | 1,005 mb | Tropical Depression | -- |
| Jul 31 | 09:00 GMT | 18.8 | -136.64 | 35 mph | 1,003 mb | Tropical Storm | -- |
| Jul 31 | 06:00 GMT | 18.8 | -136 | 40 mph | 1,002 mb | Tropical Storm | -- |
| Jul 31 | 03:00 GMT | 18.76 | -135.31 | 45 mph | 1,001 mb | Tropical Storm | -- |
| Jul 31 | 00:00 GMT | 18.7 | -134.6 | 45 mph | 1,000 mb | Tropical Storm | -- |
| Jul 30 | 21:00 GMT | 18.66 | -133.91 | 50 mph | 999 mb | Tropical Storm | -- |
| Jul 30 | 18:00 GMT | 18.6 | -133.2 | 50 mph | 998 mb | Tropical Storm | -- |
| Jul 30 | 15:00 GMT | 18.5 | -132.45 | 60 mph | 996 mb | Tropical Storm | -- |
| Jul 30 | 12:00 GMT | 18.4 | -131.7 | 65 mph | 994 mb | Tropical Storm | -- |
| Jul 30 | 09:00 GMT | 18.35 | -130.97 | 70 mph | 990 mb | Hurricane | -- |
| Jul 30 | 06:00 GMT | 18.3 | -130.3 | 75 mph | 987 mb | Hurricane | 1 |
| Jul 30 | 03:00 GMT | 18.21 | -129.72 | 80 mph | 983 mb | Hurricane | 1 |
| Jul 30 | 00:00 GMT | 18.1 | -129.2 | 85 mph | 980 mb | Hurricane | 1 |
| Jul 29 | 21:00 GMT | 17.96 | -128.69 | 100 mph | 972 mb | Hurricane | 2 |
| Jul 29 | 18:00 GMT | 17.8 | -128.2 | 110 mph | 964 mb | Hurricane | 2 |
| Jul 29 | 15:00 GMT | 17.62 | -127.7 | 110 mph | 962 mb | Hurricane | 3 |
| Jul 29 | 12:00 GMT | 17.4 | -127.2 | 115 mph | 960 mb | Hurricane | 3 |
| Jul 29 | 09:00 GMT | 17.11 | -126.7 | 115 mph | 958 mb | Hurricane | 3 |
| Jul 29 | 06:00 GMT | 16.8 | -126.2 | 120 mph | 957 mb | Hurricane | 3 |
| Jul 29 | 03:00 GMT | 16.54 | -125.72 | 115 mph | 960 mb | Hurricane | 3 |
| Jul 29 | 00:00 GMT | 16.3 | -125.2 | 110 mph | 964 mb | Hurricane | 2 |
| Jul 28 | 21:00 GMT | 16.06 | -124.62 | 105 mph | 967 mb | Hurricane | 2 |
| Jul 28 | 18:00 GMT | 15.8 | -124 | 105 mph | 970 mb | Hurricane | 2 |
| Jul 28 | 15:00 GMT | 15.51 | -123.39 | 100 mph | 973 mb | Hurricane | 2 |
| Jul 28 | 12:00 GMT | 15.2 | -122.8 | 90 mph | 977 mb | Hurricane | 1 |
| Jul 28 | 09:00 GMT | 14.89 | -122.25 | 85 mph | 980 mb | Hurricane | 1 |
| Jul 28 | 06:00 GMT | 14.6 | -121.7 | 80 mph | 983 mb | Hurricane | 1 |
| Jul 28 | 03:00 GMT | 14.34 | -121.12 | 75 mph | 985 mb | Hurricane | 1 |
| Jul 28 | 00:00 GMT | 14.1 | -120.5 | 75 mph | 987 mb | Hurricane | 1 |
| Jul 27 | 21:00 GMT | 13.84 | -119.79 | 70 mph | 988 mb | Tropical Storm | -- |
| Jul 27 | 18:00 GMT | 13.6 | -119.1 | 70 mph | 990 mb | Tropical Storm | -- |
| Jul 27 | 15:00 GMT | 13.38 | -118.54 | 65 mph | 991 mb | Tropical Storm | -- |
| Jul 27 | 12:00 GMT | 13.2 | -118 | 65 mph | 993 mb | Tropical Storm | -- |
| Jul 27 | 09:00 GMT | 13.05 | -117.42 | 60 mph | 996 mb | Tropical Storm | -- |
| Jul 27 | 06:00 GMT | 12.9 | -116.8 | 50 mph | 1,000 mb | Tropical Storm | -- |
| Jul 27 | 03:00 GMT | 12.69 | -116.16 | 45 mph | 1,001 mb | Tropical Storm | -- |
| Jul 27 | 00:00 GMT | 12.5 | -115.5 | 40 mph | 1,003 mb | Tropical Storm | -- |
| Jul 26 | 21:00 GMT | 12.38 | -114.86 | 35 mph | 1,005 mb | Tropical Depression | -- |
| Jul 26 | 18:00 GMT | 12.3 | -114.2 | 35 mph | 1,007 mb | Tropical Depression | -- |
| Jul 26 | 15:00 GMT | 12.25 | -113.51 | 30 mph | 1,007 mb | Tropical Depression | -- |
| Jul 26 | 12:00 GMT | 12.2 | -112.8 | 30 mph | 1,008 mb | Tropical Depression | -- |
Learn more about Hurricane Darby and the 2004 Eastern Pacific hurricane season in our hurricane archive.
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