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Tadmor at Mudstone

17 July 2025
Flows from the recent flood(s) have undergone a provisional review.
This page has been updated.
Nominally the flood on 11 July 2025 was a 150 year return period event.

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Flow for last 7 days at Tadmor at Mudstone

Flow for last 7 days at Tadmor at Mudstone
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Note

All times are in NZ Standard Time, during Daylight Saving add one hour.

Flow for last 30 days at Tadmor at Mudstone

Flow for last 30 days at Tadmor at Mudstone

River flow history

Catchment size: 88 km2

Period of analysis: 01 January 1978 to 15 July 2025.

Comment: The Hope diversion takes water from the Hope River to supplement Tadmor River flows in summer. The supplementary flows have been retained in the data analysis. Low-flow analysis begins from 1983.

  Flood Flows Drought Flow
Return Period  (m3/s)  1 day average 7 day average
 Annual     63.0    0.178    0.200
 5 Year     80.0    0.119    0.130
 10 Year     95.0    0.103    0.112
 20 Year   110.0    0.092    0.099
 50 Year   130.0    0.082    0.086
 100 Year   148.0    
 Extreme Recorded

  158

  11/07/2025 

   0.091

   07/03/2019

   0.096

   28/04/2001

 

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Disclaimer

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.