Twizel River at Upstream Ohau River Confluence

3.5 m3/s

12 hour average 3.55 m3/s | 90 day average 4.21 m3/s

Ashburton River at SH1 Bridge

13.66 m3/s

12 hour average 13.61 m3/s | 90 day average 17.79 m3/s

Tekapo River at Spillway

0 m3/s

12 hour average 0 m3/s | 90 day average 9.84 m3/s

Ashley River at Gorge

3.12 m3/s

12 hour average 3.15 m3/s | 90 day average 6.24 m3/s

Okuku River at Fox Creek

0.68 m3/s

12 hour average 0.69 m3/s | 90 day average 1.73 m3/s

Ashley River at SH1 Bridge

1.25 m3/s

12 hour average 1.26 m3/s | 90 day average 6.96 m3/s

Grays River at Days Bridge

2.97 m3/s

12 hour average 2.98 m3/s | 90 day average 3.26 m3/s

Acheron River at Clarence

15.9 m3/s

12 hour average 15.88 m3/s | 90 day average 21.94 m3/s

Arawhata River

454.3 m3/s

12 hour average 639.17 m3/s | 90 day average 266.88 m3/s

Dart at The Hillocks

127.66 m3/s

12 hour average 177.46 m3/s | 90 day average 77.21 m3/s

Arrow at Cornwall street Downstream

4.36 m3/s

12 hour average 4.31 m3/s | 90 day average 2.38 m3/s

Grey River

134.2 m3/s

12 hour average 103.63 m3/s | 90 day average 73.65 m3/s

Ahaura River

211.2 m3/s

12 hour average 182.18 m3/s | 90 day average 91.27 m3/s

Ohau River at Below Syphon

10.04 m3/s

12 hour average 10.03 m3/s | 90 day average 11.68 m3/s

Orikaka/Mackley River

35.8 m3/s

12 hour average 22.11 m3/s | 90 day average 15.72 m3/s

Waihi River Downstream Barkers

1.9 m3/s

12 hour average 1.86 m3/s | 90 day average 1.66 m3/s

North Opuha River at Clayton Road Bridge

1.32 m3/s

12 hour average 1.27 m3/s | 90 day average 2.42 m3/s

Wainui Stream (Waitaki) at Camerons Culvert

0.48 m3/s

12 hour average 0.48 m3/s | 90 day average 0.48 m3/s

Waimakariri River at Old Highway Bridge

99.08 m3/s

12 hour average 100.02 m3/s | 90 day average 109.85 m3/s

Ashley River at Lees Valley

1.03 m3/s

12 hour average 1.02 m3/s | 90 day average 2.23 m3/s

Kowhai River at Below Orange Grove

1.58 m3/s

12 hour average 1.57 m3/s | 90 day average 2.24 m3/s

Waimakariri at Below Otarama

45.33 m3/s

12 hour average 45.81 m3/s | 90 day average 97.05 m3/s

Tekapo River at downstream Mary Burn Confluence

10.89 m3/s

12 hour average 10.67 m3/s | 90 day average 10.05 m3/s

Pareora River at SH1

0.45 m3/s

12 hour average 0.45 m3/s | 90 day average 2.9 m3/s

Rangitata River at Klondyke

68.36 m3/s

12 hour average 68.29 m3/s | 90 day average 109.18 m3/s