Orikaka/Mackley River

13 m3/s

12 hour average 17.96 m3/s | 90 day average 13.33 m3/s

Ahaura River

155.4 m3/s

12 hour average 254.08 m3/s | 90 day average 77.29 m3/s

Haast River at Roaring Billy

143.6 m3/s

12 hour average 152.62 m3/s | 90 day average 155.3 m3/s

Arrow at Cornwall street Downstream

1.92 m3/s

12 hour average 2.1 m3/s | 90 day average 1.63 m3/s

Dart at The Hillocks

35.93 m3/s

12 hour average 42.01 m3/s | 90 day average 65.22 m3/s

Arawhata River

130.1 m3/s

12 hour average 154.81 m3/s | 90 day average 226.32 m3/s

Acheron River at Clarence

63.7 m3/s

12 hour average 71.05 m3/s | 90 day average 35.72 m3/s

North Opuha River at Clayton Road Bridge

5.39 m3/s

12 hour average 6.2 m3/s | 90 day average 3.27 m3/s

Wainui Stream (Waitaki) at Camerons Culvert

0.57 m3/s

12 hour average 0 m3/s | 90 day average 0.55 m3/s

Waimakariri River at Old Highway Bridge

659.15 m3/s

12 hour average 567.34 m3/s | 90 day average 86.75 m3/s

Ashley River at Lees Valley

7.08 m3/s

12 hour average 9.2 m3/s | 90 day average 3.32 m3/s

Ohau River at Below Syphon

10.22 m3/s

12 hour average 10.31 m3/s | 90 day average 11.54 m3/s

Waihi River Downstream Barkers

20.55 m3/s

12 hour average 25.48 m3/s | 90 day average 1.93 m3/s

Waimakariri at Below Otarama

364.46 m3/s

12 hour average 463.06 m3/s | 90 day average 88.96 m3/s

Tekapo River at downstream Mary Burn Confluence

15.18 m3/s

12 hour average 15.05 m3/s | 90 day average 8.41 m3/s

Pareora River at SH1

11.97 m3/s

12 hour average 15.54 m3/s | 90 day average 4.06 m3/s

Rangitata River at Klondyke

150.54 m3/s

12 hour average 179.53 m3/s | 90 day average 73.25 m3/s

Twizel River at Upstream Ohau River Confluence

5.29 m3/s

12 hour average 5.69 m3/s | 90 day average 1.86 m3/s

Ashburton River at SH1 Bridge

132.78 m3/s

12 hour average 158.55 m3/s | 90 day average 44.11 m3/s

Tekapo River at Spillway

0 m3/s

12 hour average 0 m3/s | 90 day average 6.57 m3/s

Ashley River at Gorge

32.46 m3/s

12 hour average 42.88 m3/s | 90 day average 16.7 m3/s

Okuku River at Fox Creek

6.52 m3/s

12 hour average 9.23 m3/s | 90 day average 6.04 m3/s

Ashley River at SH1 Bridge

120.97 m3/s

12 hour average 115.99 m3/s | 90 day average 64.74 m3/s

Grays River at Days Bridge

4.27 m3/s

12 hour average 4.21 m3/s | 90 day average 2.81 m3/s

Kowhai River at Below Orange Grove

1.61 m3/s

12 hour average 1.72 m3/s | 90 day average 2.96 m3/s