Twizel River at Upstream Ohau River Confluence

27.63 m3/s

12 hour average 29.91 m3/s | 90 day average 11.6 m3/s

Ashburton River at SH1 Bridge

45.72 m3/s

12 hour average 50.25 m3/s | 90 day average 33.61 m3/s

Tekapo River at Spillway

0 m3/s

12 hour average 0 m3/s | 90 day average 14.91 m3/s

Ashley River at Gorge

33.94 m3/s

12 hour average 36.5 m3/s | 90 day average 8.45 m3/s

Okuku River at Fox Creek

14.35 m3/s

12 hour average 15.52 m3/s | 90 day average 2.9 m3/s

Ashley River at SH1 Bridge

82.23 m3/s

12 hour average 84.66 m3/s | 90 day average 10.17 m3/s

Grays River at Days Bridge

5.48 m3/s

12 hour average 5.82 m3/s | 90 day average 4.08 m3/s

Acheron River at Clarence

27.2 m3/s

12 hour average 28.9 m3/s | 90 day average 16.86 m3/s

Arawhata River

120 m3/s

12 hour average 125.02 m3/s | 90 day average 319.92 m3/s

Dart at The Hillocks

56.78 m3/s

12 hour average 60.36 m3/s | 90 day average 149.7 m3/s

Arrow at Cornwall street Downstream

2.92 m3/s

12 hour average 3.09 m3/s | 90 day average 6.78 m3/s

Grey River

50.1 m3/s

12 hour average 51 m3/s | 90 day average 77.8 m3/s

Ahaura River

69.4 m3/s

12 hour average 71.68 m3/s | 90 day average 146.33 m3/s

Ohau River at Below Syphon

12.51 m3/s

12 hour average 12.48 m3/s | 90 day average 16.63 m3/s

Orikaka/Mackley River

6.6 m3/s

12 hour average 7.9 m3/s | 90 day average 19.17 m3/s

Waihi River Downstream Barkers

23.62 m3/s

12 hour average 23.01 m3/s | 90 day average 2.24 m3/s

North Opuha River at Clayton Road Bridge

8.98 m3/s

12 hour average 10.23 m3/s | 90 day average 4.81 m3/s

Wainui Stream (Waitaki) at Camerons Culvert

0.46 m3/s

12 hour average 0 m3/s | 90 day average 0.49 m3/s

Waimakariri River at Old Highway Bridge

146.9 m3/s

12 hour average 150.23 m3/s | 90 day average 188.83 m3/s

Ashley River at Lees Valley

10.44 m3/s

12 hour average 10.97 m3/s | 90 day average 3.58 m3/s

Kowhai River at Below Orange Grove

6.01 m3/s

12 hour average 6.57 m3/s | 90 day average 1.64 m3/s

Waimakariri at Below Otarama

139.2 m3/s

12 hour average 141.7 m3/s | 90 day average 202.84 m3/s

Tekapo River at downstream Mary Burn Confluence

22.19 m3/s

12 hour average 22.87 m3/s | 90 day average 30.12 m3/s

Pareora River at SH1

20.32 m3/s

12 hour average 20.28 m3/s | 90 day average 1.85 m3/s

Rangitata River at Klondyke

141.77 m3/s

12 hour average 145.9 m3/s | 90 day average 175.21 m3/s