Floods in Poerua, Wataroa and Jacobs Rivers were higher than those in November.

Excluding Otira, the damage to river works during the series of floods totalled £10,000 (426,700 2009 dollars) including £1350 ($57,600 2009 dollars) in the Kokatahi and £6000 ($256,000 2009 dollars) in Karamea.

Ahaura River was 60 cm above its previous highest level.

Ahaura River had a discharge of 100,000 cusecs (2832 cumecs) at the State Highway Bridge. The catchment area was 336 sq miles (870 km^2) and the gauge height was 24.13 ft (7.35 m).

Grey River was running at its highest for approximately 18 years.

Grey River had a discharge of 228,000 cusecs (6456 cumecs) at Dobson. The catchment area was 1475 sq miles (3820 km^2) and the gauge height was 15.75 ft (4.80 m).

Flooding and damage in the Matai district was particularly severe.

The river rose within a foot (0.30 m) of the wharf.

Greymouth only suffered minor flooding consequent to a blocked drainage outlet.

Hokitika had only minor flooding.

Hokitika River was in high flood and was 18 cm higher than the 1935 flood level.

Hokitika River had a discharge of 143,000 cusecs (4049 cumecs) at Kanieri Bridge, with a catchment area of 440 sq miles (1140 km^2).

The river overtopped its banks between the Gorge and Camelback groyne and flowed across the farming area of Kowhitirangi and Kokatahi. Large areas were inundated.

There was considerable overflow into Groves swamp which cut an 80 ft (24.4 m) gap through the State Highway and washed out a County bridge on Ruatapu Road.

Several houses in the Kaniere township were surrounded.

Karamea River had a discharge of 80,000 cusecs (2265 cumecs) at the Highway Bridge. The catchment area was 632 sq miles (1637 km^2) and the gauge height was 17.15 ft (5.23 m). The gauge was submerged.

Karamea River rose to the highest level recorded in 40 years.

The Arapito stopbank culvert and the floodgate were washed out and extensive flooding occurred.

Deep channel scouring caused the loss of some river works with due to erosion.

The flood in the Kokatahi River at Kokatahi Bridge exceeded that of the February flood.

The stopbank protecting Otira breached and the river raged through the township.

Otira River flowed through railway yards, covered the station platform, and flooded the township causing severe damage.

One house was severely wrecked as half of it was washed away.

River waters broke the towns water pipes, scoured streets and destroyed power transformers.

Township was completely isolated. The gorge was blocked by slips and bridges were destroyed. The highway remained closed for five months.

There was heavy property and other losses sustained.

The main highway between the top of Arthurs Pass and Otira was completely obliterated.

Taramakau River was in high flood and washed away 30 m of road.

Taramakau River overflowed into Orangipuku River.

130 ft (40 m) of the Kumara Bridge was carried away.

Stock losses along the river were heavy.

Cass-Arthurs Pass section of the State Highway was extensively damaged.

Hurunui River had a discharge of 897 cumecs at Mandamus on the 27th. The catchment area was 1072 km^2 and the gauge height was 6.77 m.

Jollie River had a discharge of 8129 cusecs (230 cumecs), which included overflow of 200 cusecs (6 cumecs), at the Mt. Cook Station on the 25th. This is of possible 100-year frequency. The catchment area was 54 sq miles (140 km^2).

The river overflowed at a number of points.

In Mead, the trains were delayed for several hours due to heavy scouring of the track.

Traffic on the Main South Road was disrupted although the highway was not damaged.

Two spans of Mowats Bridge were lost and the approaches were partly washed out.

The Rakaia camping area was badly affected.

Rakaia River had a discharge of 3962 cumecs at the Gorge Bridge on the 27th. The catchment area was 2590 km^2 and the gauge height was 5.78 m.

Rangitata River had a discharge of 37,500 cusecs (1062 cumecs) at the irrigation intake recorder on the 27th. The catchment area was 577 sq miles (1494 km^2).

Rangitata River had a peak discharge of 84,000 cusecs (2379 cumecs) at the diversion intake gauging station.

The river had a peak discharge of 85,000 cusecs (2407 cumecs) at the Arundel Bridge.

There was a serious overflow at Palmers, 1.5 miles above the railway. It caused serious flooding in the area including over the railway and main highway.

Low lying areas between the south and middle branched of Rangitata River were badly flooded.

The railway was closed and traffic on the state highway was disrupted.

Flood damage and losses were considerable.

The cost of damage to the river works, including that done by the flood and floods before the repairs could be completed, was £13,520 ($576,900 2009 dollars).

The cost of damage to county roads, bridges and water races was £250 ($10,700 2009 dollars).

The cost of stock and land losses and damage to pastures and crops was £9400 ($$401,100 2009 dollars).

Serious flooding disrupted rail, road and transport.

Waiau-uha River had the largest flood for some years.

Floods were caused by heavy rainstorms from a westerly quarter in the upper catchment.

Waimakariri River rose to the highest level in over 34 years and probably the highest for nearly 50 years.

Waimakariri River had a discharge of 111,901 cusecs (3169 cumecs) at Highway Bridge on the 27th. The catchment area was 1241 sq miles (3214 km^2) and the gauge height was 16.8 ft (5.12 m).

The new cut off bank was overtopped and washed out and the protecting loop bank breached in two places. The overflows flooded parts of Coutts Island and overtopped Chaneys bank.

The river inundated some areas between Belfast and the Waimakariri Bridge and flooded parts of Kainga and Styx basin.

2290 acres (927 ha) were under water.

All houses in low lying areas at Waimakariri Bridge, Kainga and on the river frontage at Stewarts Gully were evacuated.

The Main North Road was blocked for two days.

Stock losses were negligible.

River works cost £50,000 ($2,133,700 2009 dollars).

Other damage and losses were estimated at £42,000 ($1,792,300 2009 dollars).

By 2008, Waimakariri River had not broken its banks since 1957.

A raging Waimakariri River burst out of its stopbanks near Belfast.

At Waimakariri Gorge, the river rose more than 15 m in seven hours.

Wild waters raced through a small, three metre wide breach and flowed into the old south branch of the river, through residential and farm land, before re-entering the main river, close to the sea.

The flood was estimated as a one-in-100-year event.