Catchment size: 713 km2
Period of analysis: October 1970 to November 2022.
Comment: Early record is reliable for flood flows only. Drought analysis begins 1986.
Extreme Recorded
Flood Flows | Drought Flow | ||
---|---|---|---|
Return Period | (m3/s) | 1 day average | 7 day average |
Annual | 1088 | 2.968 | 3.188 |
5 Year | 1328 | 2.267 | 2.413 |
10 Year | 1523 | 1.959 | 2.093 |
20 Year | 1710 | 1.720 | 1.848 |
50 Year | 1952 | 1.466 | 1.591 |
100 Year | 2134 | ||
Extreme Recorded |
2076 10/07/1983 |
1.370 06/03/2019 |
1.483 01/03/2019 |
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.