Typhoon TracksHome › Western North Pacific 2004
Dianmu (2004, Western North Pacific)
Lowest pressure915 hPa
This is an archive, not a forecast or warning. For current storms follow your national meteorological service.
Peak wind100 kt (51 m/s)10-min
Duration16.5 days2004-06-11 – 2004-06-28
Strength rank in 20042 / 29by lowest pressure
All-time rank167 / 19431951–2025
Peak wind over time (kt)
Central pressure over time (hPa)
Compared with other 2004 storms (lowest pressure)
910 hPa
915 hPa
920 hPa
925 hPa
935 hPa
935 hPa
935 hPa
Bar length = depth below 1013 hPa (longer = stronger).
6-hourly track (UTC)
| Time | Lat | Lon | Wind kt | hPa |
|---|---|---|---|---|
| 2004-06-11 18:00 | 6.5 | 139.4 | – | 1,006 |
| 2004-06-12 00:00 | 6.8 | 138.8 | – | 1,006 |
| 2004-06-12 06:00 | 7.4 | 138.2 | – | 1,006 |
| 2004-06-12 12:00 | 7.7 | 137.7 | – | 1,006 |
| 2004-06-12 18:00 | 7.9 | 137.3 | – | 1,004 |
| 2004-06-13 00:00 | 8.3 | 137.0 | – | 1,004 |
| 2004-06-13 06:00 | 8.9 | 136.5 | – | 1,000 |
| 2004-06-13 12:00 | 9.2 | 136.2 | 35 | 998 |
| 2004-06-13 18:00 | 9.2 | 136.2 | 40 | 994 |
| 2004-06-14 00:00 | 9.2 | 136.6 | 45 | 990 |
| 2004-06-14 06:00 | 9.5 | 136.8 | 50 | 985 |
| 2004-06-14 12:00 | 9.9 | 137.1 | 55 | 980 |
| 2004-06-14 18:00 | 10.7 | 137.4 | 65 | 970 |
| 2004-06-15 00:00 | 11.3 | 137.4 | 70 | 960 |
| 2004-06-15 06:00 | 11.9 | 137.2 | 80 | 950 |
| 2004-06-15 12:00 | 12.7 | 136.9 | 90 | 935 |
| 2004-06-15 18:00 | 13.5 | 136.8 | 95 | 925 |
| 2004-06-16 00:00 | 14.3 | 136.5 | 100 | 915 |
| 2004-06-16 06:00 | 15.1 | 136.0 | 100 | 915 |
| 2004-06-16 12:00 | 15.7 | 135.6 | 100 | 915 |
| 2004-06-16 18:00 | 16.5 | 135.2 | 100 | 915 |
| 2004-06-17 00:00 | 17.1 | 134.4 | 100 | 915 |
| 2004-06-17 06:00 | 17.4 | 133.6 | 100 | 915 |
| 2004-06-17 12:00 | 17.7 | 132.9 | 95 | 925 |
| 2004-06-17 18:00 | 18.0 | 132.1 | 95 | 930 |
| 2004-06-18 00:00 | 18.5 | 131.6 | 95 | 930 |
| 2004-06-18 06:00 | 19.3 | 131.2 | 95 | 925 |
| 2004-06-18 12:00 | 20.2 | 130.3 | 95 | 925 |
| 2004-06-18 18:00 | 21.2 | 129.8 | 95 | 925 |
| 2004-06-19 00:00 | 22.3 | 129.4 | 95 | 930 |
| 2004-06-19 06:00 | 23.3 | 129.1 | 90 | 935 |
| 2004-06-19 12:00 | 24.5 | 129.2 | 90 | 940 |
| 2004-06-19 18:00 | 25.6 | 129.3 | 85 | 945 |
| 2004-06-20 00:00 | 26.9 | 129.8 | 85 | 945 |
| 2004-06-20 06:00 | 28.2 | 130.5 | 75 | 955 |
| 2004-06-20 12:00 | 29.5 | 131.3 | 75 | 955 |
| 2004-06-20 18:00 | 31.0 | 132.2 | 70 | 960 |
| 2004-06-21 00:00 | 33.0 | 133.8 | 70 | 965 |
| 2004-06-21 06:00 | 35.6 | 135.5 | 55 | 975 |
| 2004-06-21 12:00 | 38.7 | 137.7 | 45 | 985 |
| 2004-06-21 18:00 | 41.3 | 139.2 | – | 986 |
| 2004-06-22 00:00 | 42.4 | 139.2 | – | 988 |
| 2004-06-22 06:00 | 44.0 | 140.3 | – | 990 |
| 2004-06-22 12:00 | 45.6 | 141.4 | – | 990 |
| 2004-06-22 18:00 | 47.0 | 143.4 | – | 990 |
| 2004-06-23 00:00 | 48.3 | 145.1 | – | 990 |
| 2004-06-23 06:00 | 49.0 | 146.8 | – | 990 |
| 2004-06-23 12:00 | 49.8 | 148.3 | – | 992 |
| 2004-06-23 18:00 | 50.5 | 149.9 | – | 994 |
| 2004-06-24 00:00 | 50.9 | 151.0 | – | 996 |
| 2004-06-24 06:00 | 51.0 | 151.3 | – | 996 |
| 2004-06-24 12:00 | 50.1 | 152.9 | – | 1,000 |
| 2004-06-24 18:00 | 49.0 | 156.0 | – | 1,002 |
| 2004-06-25 00:00 | 48.5 | 158.0 | – | 1,002 |
| 2004-06-25 06:00 | 48.3 | 159.6 | – | 1,004 |
| 2004-06-25 12:00 | 48.1 | 161.0 | – | 1,006 |
| 2004-06-25 18:00 | 48.0 | 162.3 | – | 1,006 |
| 2004-06-26 00:00 | 47.9 | 163.8 | – | 1,008 |
| 2004-06-26 06:00 | 47.9 | 165.8 | – | 1,008 |
| 2004-06-26 12:00 | 48.2 | 166.7 | – | 1,008 |
| 2004-06-26 18:00 | 48.5 | 167.8 | – | 1,006 |
| 2004-06-27 00:00 | 47.9 | 169.3 | – | 1,004 |
| 2004-06-27 06:00 | 48.4 | 170.9 | – | 1,000 |
| 2004-06-27 12:00 | 48.9 | 172.6 | – | 996 |
| 2004-06-27 18:00 | 49.0 | 174.9 | – | 996 |
| 2004-06-28 00:00 | 48.9 | 176.5 | – | 996 |
| 2004-06-28 06:00 | 48.6 | 178.3 | – | 996 |
Winds are RSMC Tokyo (JMA) 10-minute sustained winds and central pressure (winds recorded from 1977).