Orikaka/Mackley River

35.8 m3/s

12 hour average 43.38 m3/s | 90 day average 13.85 m3/s

Ahaura River

330.6 m3/s

12 hour average 452.52 m3/s | 90 day average 75.99 m3/s

Haast River at Roaring Billy

399.2 m3/s

12 hour average 494.98 m3/s | 90 day average 140.54 m3/s

Arrow at Cornwall street Downstream

10.72 m3/s

12 hour average 13.33 m3/s | 90 day average 2.99 m3/s

Dart at The Hillocks

165.58 m3/s

12 hour average 277.51 m3/s | 90 day average 45.99 m3/s

Arawhata River

409.4 m3/s

12 hour average 515.14 m3/s | 90 day average 165.8 m3/s

Acheron River at Clarence

32.6 m3/s

12 hour average 38.15 m3/s | 90 day average 32.03 m3/s

North Opuha River at Clayton Road Bridge

4.96 m3/s

12 hour average 6.2 m3/s | 90 day average 2.46 m3/s

Wainui Stream (Waitaki) at Camerons Culvert

0.47 m3/s

12 hour average 0 m3/s | 90 day average 0.68 m3/s

Waimakariri River at Old Highway Bridge

376.88 m3/s

12 hour average 172.71 m3/s | 90 day average 101.89 m3/s

Ashley River at Lees Valley

14.12 m3/s

12 hour average 19.23 m3/s | 90 day average 3.1 m3/s

Ohau River at Below Syphon

11.01 m3/s

12 hour average 10.38 m3/s | 90 day average 9.87 m3/s

Waihi River Downstream Barkers

0.68 m3/s

12 hour average 0.47 m3/s | 90 day average 1.23 m3/s

Waimakariri at Below Otarama

968.22 m3/s

12 hour average 796.26 m3/s | 90 day average 106.14 m3/s

Tekapo River at downstream Mary Burn Confluence

12.59 m3/s

12 hour average 12.24 m3/s | 90 day average 14.43 m3/s

Pareora River at SH1

0.42 m3/s

12 hour average 0.42 m3/s | 90 day average 2.22 m3/s

Rangitata River at Klondyke

318.1 m3/s

12 hour average 263.3 m3/s | 90 day average 78.08 m3/s

Twizel River at Upstream Ohau River Confluence

10.19 m3/s

12 hour average 9.6 m3/s | 90 day average 3.9 m3/s

Ashburton River at SH1 Bridge

62.57 m3/s

12 hour average 29.85 m3/s | 90 day average 43.35 m3/s

Tekapo River at Spillway

0.01 m3/s

12 hour average 52.36 m3/s | 90 day average 3.29 m3/s

Ashley River at Gorge

56.87 m3/s

12 hour average 46.7 m3/s | 90 day average 9.45 m3/s

Okuku River at Fox Creek

10.84 m3/s

12 hour average 6.35 m3/s | 90 day average 3.5 m3/s

Ashley River at SH1 Bridge

10.49 m3/s

12 hour average 8.42 m3/s | 90 day average 13.91 m3/s

Grays River at Days Bridge

4.63 m3/s

12 hour average 4.68 m3/s | 90 day average 5.66 m3/s

Kowhai River at Below Orange Grove

1.9 m3/s

12 hour average 1.87 m3/s | 90 day average 1.97 m3/s