Catchment size: 168 km2
Period of analysis: 20 September 1971 to 31 December 2022
Comment: Early record is for flood flows only. Drought analysis starts from 1982.
| Flood Flows | Drought Flow | ||
|---|---|---|---|
| Return Period | (m3/s) | 1 day average | 7 day average |
| Annual | 212 | 1.478 | 1.576 |
| 5 Year | 281 | 1.211 | 1.281 |
| 10 Year | 338 | 1.121 | 1.180 |
| 20 Year | 390 | 1.054 | 1.106 |
| 50 Year | 462 | 0.986 | 1.031 |
| 100 Year | 515 | ||
| Extreme Recorded |
453 18/04/2014 |
0.967 11/04/2020 |
1.005 05/04/2020 |
Tasman District Council has exercised all reasonable skill and care in collecting and displaying this information. However, the data is provisional, and may be incorrect until checked by staff. Data should be used with caution where there are safety, monetary, or operational consequences if the data is incorrect. Note also, the data may be changed at a later time.
