2017-02-02

Press Release – Niwa National Climate Centre

A tempestuous month, cool for many and very dry in the eastern North Island.A tempestuous month, cool for many and very dry in the eastern North Island.

Temperature

Well below average (1.20°C of average) for a small number of locations in Hawke’s Bay.

Rainfall

Significant dryness in eastern North Island, well below normal rainfall (149% of normal) rainfall for West Coast, middle and south-coastal Canterbury, Otago, inland Southland, Wellington and Manawatu-Whanganui.

Soil Moisture

As of 1 February, soil moisture levels were much lower than normal across most of the North Island, particularly in Northland, eastern Waikato, Coromandel, inland Bay of Plenty, East Cape, and Hawke’s Bay. Soils were also drier than normal for coastal northern Canterbury. Soils were wetter than normal for the time of year for Tasman, West Coast, Otago and Southland, and near normal soil moisture levels were observed elsewhere.

Sunshine

Near (90-110% of normal) or above normal sunshine (110-125% of normal) in eastern areas of the North Island and for parts of eastern Canterbury. Below normal (75-89% of normal) or well below normal (

Overview

January 2017 was characterised by significantly lower mean sea level pressure than normal over and to the south of New Zealand. This atmospheric pressure setup caused more southwesterly winds than normal across the country, which encouraged the passage of storms and low temperatures for much of New Zealand throughout the month.

The prevalence of southwesterly winds across the country during January meant that lower than average temperatures for the time of year were experienced in many places. This was especially notable in the west and south of the South Island (including West Coast, Canterbury, Otago, Southland and parts of Tasman) and the west and centre of the North Island (including Waikato and Taranaki), where well below average temperatures ( +1.20°C of the January average). The nationwide average temperature in January 2017 was 16.4°C (0.7°C below the 1981-2010 January average from NIWA’s seven station temperature series which begins in 1909 ). This was the coldest January since 2014.

The dominant southwesterlies also influenced rainfall patterns across New Zealand in January. Some intense storms delivered heavy rain to the South Island and lower North Island. Much of the South Island, particularly along the West Coast, and in middle and south-coastal Canterbury, Otago and inland Southland, recorded above normal (120-149% of the January normal) or well above normal (>149% of the January normal) rainfall. Parts of the south and west North Island also recorded above normal or well above normal rainfall, particularly in Wellington and Manawatu-Whanganui. In stark contrast was the east of the North Island, where record low rainfall was experienced. It was the driest January on record for Gisborne in over 110 years; just 2 mm of rain (3% of the January normal) fell – records began there in 1905. Well below normal (Further Highlights:

· The highest temperature was 33.6°C, observed at Hastings on 12 January.

· The lowest temperature was -1.7°C, observed at Mt Cook Airport on 5 January.

· The highest 1-day rainfall was 309 mm, recorded at Milford Sound on 31 January.

· The highest wind gust was 170 km/hr, observed at Cape Turnagain on 16 January.

· Of the six main centres in January 2017, Dunedin was the wettest, coldest, and least sunny, Auckland and Tauranga were the driest, and Tauranga was the warmest and sunniest.

· Of the available, regularly reporting sunshine observation sites, the sunniest four locations in 2017 (1 January – 31 January) were Gisborne (315 hours), Whakatane (301 hours), Napier (298 hours) and Kaitaia (286 hours).

For further information, please contact:

Mr Chris Brandolino

Principal Scientist – Forecasting, NIWA National Climate Centre

Tel. 09 375 6335, Mobile 027 886 0014

Temperature: Well below average temperatures for the South Island

The frequent southwesterly winds during January brought cold air masses to southern and western parts of New Zealand. Almost the entire South Island and the western and central North Island recorded below average (-1.20°C to -0.51°C of the January average) or well below average ( +1.20°C of the January average). Some locations in the eastern North Island from Northland to Hawke’s Bay, as well as Kaikoura, experienced record or near-record high mean maximum (afternoon) temperatures for January.

The nationwide average temperature in January 2017 was 16.4°C (0.7°C below the 1981-2010 January average from NIWA’s seven station temperature series which begins in 1909). This was the coldest January since 2014.

Record or near-record mean air temperatures for January were recorded at:

Location

Mean

air temp. (oC)

Departure from normal (oC)

Year records began

Comments

High records or near-records

None observed

Low records or near-records

Nugget Point

12.0

-2.1

1970

Lowest

South West Cape

11.4

-1.7

1991

Lowest

Te Kuiti

15.8

-2.5

1959

2nd-lowest

Secretary Island

12.9

-1.9

1985

2nd-lowest

Manapouri (Airport)

12.6

-2.1

1963

2nd-lowest

Clyde

15.0

-2.4

1978

2nd-lowest

Port Taharoa

17.5

-1.6

1973

3rd-lowest

Turangi

15.2

-1.9

1968

3rd-lowest

Takaka

15.4

-1.8

1978

3rd-lowest

Arthurs Pass

10.7

-2.6

1973

3rd-lowest

Roxburgh

14.4

-2.0

1950

3rd-lowest

Lower Retaruke

16.0

-1.5

1966

4th-lowest

Greymouth

14.2

-1.9

1947

4th-lowest

Haast

13.0

-1.7

1949

4th-lowest

Appleby

15.6

-1.8

1932

4th-lowest

Wanaka

14.9

-1.9

1955

4th-lowest

Balclutha

13.3

-1.8

1964

4th-lowest

Lake Manapouri (West Arm Jetty)

11.8

-2.5

1962

4th-lowest

Record or near-record mean maximum air temperatures for January were recorded at:

Location

Mean maximum

air temp. (oC)

Departure from normal (oC)

Year records began

Comments

High records or near-records

Whitianga

25.6

1.7

1962

Highest

Hastings

26.7

2.9

1965

Highest

Wairoa

27.3

2.8

1964

Highest

Kaikoura (Middle Creek)

22.6

2.2

1963

Highest

Mahia

23.2

1.4

1990

3rd-highest

Whangarei

25.6

1.2

1967

4th-highest

Gisborne

27.0

2.5

1905

4th-highest

Low records or near-records

Port Taharoa

19.9

-3.0

1973

Lowest

Te Kuiti

21.2

-3.0

1959

Lowest

Secretary Island

15.4

-2.8

1985

Lowest

South West Cape

13.8

-2.3

1991

Lowest

Lower Retaruke

21.4

-2.4

1966

2nd-lowest

Martinborough

21.9

-1.7

1986

2nd-lowest

Farewell Spit

20.2

-1.5

1971

2nd-lowest

Arthurs Pass

14.5

-3.8

1973

2nd-lowest

Te Anau

17.1

-3.4

1963

2nd-lowest

Nugget Point

15.6

-2.4

1970

2nd-lowest

Taumarunui

22.0

-2.1

1947

3rd-lowest

Turangi

21.4

-1.7

1968

3rd-lowest

Reefton

19.8

-3.1

1960

3rd-lowest

Haast

16.1

-2.3

1949

3rd-lowest

Five Rivers

18.3

-2.3

1982

3rd-lowest

Lake Manapouri (West Arm Jetty)

15.5

-3.5

1996

3rd-lowest

Pukekohe

21.8

-1.5

1969

4th-lowest

New Plymouth

19.4

-2.1

1944

4th-lowest

Arapito

19.0

-2.1

1978

4th-lowest

Roxburgh

19.9

-3.2

1950

4th-lowest

Record or near-record mean minimum air temperatures for January were recorded at:

Location

Mean minimum

air temp. (oC)

Departure from normal (oC)

Year records began

Comments

High records or near-records

None observed

Low records or near-records

Motu

7.1

-3.3

1990

Lowest

Appleby

9.2

-3.2

1932

Lowest

Kaikoura (Middle Creek)

10.0

-3.0

1963

Lowest

Clyde

7.6

-3.2

1978

Lowest

Whangarei

12.5

-2.5

1967

2nd-lowest

Winchmore

8.0

-2.7

1928

2nd-lowest

Alexandra

8.4

-2.5

1929

2nd-lowest

Nugget Point

8.5

-1.7

1970

2nd-lowest

Takaka

9.2

-2.2

1978

3rd-lowest

Le Bons Bay

10.4

-1.3

1984

3rd-lowest

South West Cape

9.0

-1.0

1991

3rd-lowest

Turangi

9.0

-2.2

1968

4th-lowest

Cromwell

8.8

-2.2

1949

4th-lowest

Rainfall: Record dryness in the eastern North Island, wet in the South Island.

December’s dryness continued in January for some parts of the eastern North Island. It was a record dry January for Gisborne, Wairoa and Mahia, with only 3%, 4% and 23% of normal January rainfall recorded, respectively. Gisborne’s record is especially notable because the rainfall record there goes back to 1905. Napier recorded its third-driest January (8% of normal) with records going back to 1870. Parts of eastern Northland were also very dry, with just one rain event on 21 January bringing sites there above what could have been a record-breaking month in terms of low rainfall.

Numerous low pressure systems affected the south and west of the country throughout January, bringing heavy rain and high monthly rainfall totals to those areas. Arapito (north of Westport) recorded its wettest January on record (202% of the January normal). Other locations in Canterbury and Otago experienced near-record high rain for January.

Record or near-record January rainfall totals were recorded at:

Location

Rainfall total (mm)

Percentage of normal

Year records began

Comments

High records or near-records

Arapito

379

202

1978

Highest

Roxburgh

133

213

1948

3rd-highest

Akaroa

108

215

1977

4th-highest

Balclutha

135

194

1964

4th-highest

Low records or near-records

Gisborne

2

3

1905

Lowest

Wairoa

4

4

1964

Lowest

Mahia

13

23

1990

Lowest

Napier

5

8

1870

3rd-lowest

Hastings

8

18

1965

3rd-lowest

Whakatu

4

7

1870

3rd-lowest

Sunshine: A sunny month for eastern areas, cloudy in the south and west.

The pattern of sunshine across the country generally followed the pattern of rainfall. Sunshine was generally near or above normal (>90% of the January normal) in the east and north of the North Island and some eastern parts of the South Island, and below normal or well below normal (Record or near-record January sunshine hours were recorded at:

Location

Sunshine hours

Percentage of normal

Year records began

Comments

High records or near-records

Gisborne

315

126

1905

2nd-highest

Low records or near-records

Paraparaumu

149

62

1953

Lowest

Palmerston North

131

62

1930

Lowest

Wellington (Kelburn)

173

70

1928

Lowest

Arapito

128

62

1979

2nd-lowest

Mt Cook Village

130

72

1930

2nd-lowest

January climate in the six main centres

January temperatures were below average for Auckland, Wellington, and Dunedin, well below average for Hamilton, and near average for Tauranga and Christchurch. It was dry in the upper North Island main centres, with Auckland and Hamilton observing below normal rainfall and Tauranga observing well below normal rainfall. In contrast, the South Island main centres were wetter than usual, with well above normal rainfall recorded in Dunedin and above normal rainfall experienced in Christchurch. Wellington rainfall was near normal. Sunshine was near normal for all main centres except for Wellington which experienced its least sunny January on record. Of the six main centres in January 2017, Dunedin was the wettest, coldest, and least sunny, Auckland and Tauranga were the driest, and Tauranga was the warmest and sunniest.

January 2017 main centre climate statistics:

Temperature

Location

Mean temp. (oC)

Departure from normal (oC)

Comments

Aucklanda

19.0

-0.6

Below average

Taurangab

19.5

-0.1

Near average

Hamiltonc

17.0

-1.4

Well below average

Wellingtond

16.0

-0.9

Below average

Christchurche

16.8

-0.4

Near average

Dunedinf

14.1

-1.2

Below average

Rainfall

Location

Rainfall (mm)

% of normal

Comments

Aucklanda

36

59

Below normal

Taurangab

36

46

Well below normal

Hamiltonc

60

73

Below normal

Wellingtond

84

111

Near normal

Christchurche

53

147

Above normal

Dunedinf

134

183

Well above normal

Sunshine

Location

Sunshine (hours)

% of normal

Comments

Aucklanda

242

104

Near normal

Taurangab

263

101

Near normal

Hamiltong

207

90

Near normal

Wellingtond

173

70

Well below normal (lowest on record)

Christchurche

247

104

Near normal

Dunedinf

163

90

Near normal

a Mangere b Tauranga Airport c Hamilton Airport d Kelburn e Christchurch Airport f Musselburgh g Ruakura

Highlights and extreme events

Rain and slips

The lack of rain in December and early January led to tinder dry conditions for parts of the North Island. These dry conditions fuelled numerous scrub fires in Northland and the Hawke’s Bay. New Year’s Eve fireworks near Maitai Bay in the Far North caused a large scrub fire. On 5 January, windy and dry conditions fuelled fires near Hastings. On 7 January, a large scrub fire broke out in Pipiwai, Northland. On 8 January, a house was destroyed and 30 houses were evacuated during a scrub fire at Mahanga Bay in the Mahia Peninsula.

On 18 and 19 January, a ‘bomb low’ hit central and southern New Zealand. A ‘bomb low’ is a rapidly deepening low pressure system, which causes very strong winds, strong rain and cool temperatures. The South Island’s west coast was affected by heavy rain causing flooding and slips. Very heavy rain near Arthur’s Pass caused large slips, some narrowly missing houses and blocking roads. In Otira, a slip moved a shed, destroyed a car and diverted a creek into a house. Numerous roads were closed, including Arthur’s Pass, Lewis Pass, SH 6 from Murchison to Westport, and SH 7 from Reefton to Greymouth. Slips caused delays on other West Coast roads.

In mid-late January, the extended dry conditions for Northland meant that some communities were struggling to get water for their households. Water suppliers said they were getting more than a hundred calls a day from people who had run out of water. Mangawhai and other nearby towns were significantly affected by water shortages.

On 21 January, storms hit the North Island and northern South Island. In Golden Bay and other parts of the Tasman District, heavy rain fell resulting in flooding. The Waingaro River and the Anatoki River reached 10-year flood levels, and the Upper Takaka River peaked at flows experienced only eight times over the past 50 years. Some roads in the Golden Bay area were closed due to flooding. On a farm near Takaka, fences were ripped out of the ground by the force of floodwaters, and sheep pens and a shed were damaged. A fence was damaged when the Anatoki River burst its banks. The storm mostly caused wind damage in Auckland (see below) but heavy rain caused flooding in some Auckland garages.

On 22 and 23 January, heavy rain hit Southland and floodwaters cut off the town of Waikaia.

On 25 January, a short-lived storm hit the Hutt Valley. Heavy rain and hail fell, causing surface flooding on streets and in backyards.

On 31 January, dry and windy conditions contributed to two large grass fires in Puketapu and central Hawke’s Bay. Late on 31 January, heavy rain caused flooding in some West Coast settlements.

The highest 1-day rainfall recorded in January 2017 was 309 mm observed at Milford Sound on 31 January.

Record or near-record January extreme 1-day rainfall totals were recorded at:

Location

Extreme 1-day rainfall (mm)

Date of extreme rainfall

Year records began

Comments

Motueka

131

21st

1956

Highest

Arapito

98

18th

1978

2nd-highest

Akaroa

51

22nd

1977

3rd-highest

Reefton

84

18th

1960

4th-highest

Dunedin (Airport)

45

22nd

1962

4th-highest

Temperatures

The highest temperature was 33.6°C, observed at Hastings on 12 January.

The lowest temperature was -1.7°C, observed at Mt Cook Airport on 5 January.

On 4-5 January, a cold snap affected Canterbury, Otago and Southland, with unseasonably low temperatures. Numerous locations recorded record or near-record low minimum temperatures on the morning of 5 January.

On 19-20 January, the ‘bomb low’ affecting southern and central New Zealand caused low temperatures for the South Island. Snow fell on many mountains in the Southern Alps, including Cardrona Alpine Resort. Cold overnight low temperatures were experienced for most of the South Island following the passing of the low pressure system, as it brought cool southwesterly winds in its wake. Queenstown recorded an overnight low of just 5°C.

Throughout January, very warm afternoon temperatures (although not record-breaking) were recorded in parts of Northland, Gisborne and the Hawke’s Bay. These warm conditions were exacerbated due to the ongoing dryness in those areas, with incoming solar radiation heating the dry ground and heating the air close to the ground rather than solar energy being used to evaporate soil moisture. However, night-time temperatures were relatively cool due to enhanced radiational cooling caused by clear skies.

Record or near-record daily maximum air temperatures for January were recorded at:

Location

Extreme maximum (°C)

Date of extreme temperature

Year records began

Comments

High records or near-records

Whangarei

31.2

15th

1967

2nd-highest

Kaikoura (Middle Creek)

32.3

1st

1963

3rd-highest

Low records or near-records

Secretary Island

11.5

7th

1989

2nd-lowest

Appleby

15.3

21st

1941

2nd-lowest

Manapouri

10.7

19th

1973

2nd-lowest

Farewell Spit

16.1

22nd

1972

Equal 2nd-lowest

Takaka

14.8

21st

1978

3rd-lowest

Te Anau

10.8

19th

1973

3rd-lowest

Five Rivers

10.4

19th

1982

3rd-lowest

Motueka

16.6

21st

1972

Equal 3rd-lowest

Te Kuiti

17.3

23rd

1959

4th-lowest

Reefton

14.3

21st

1972

4th-lowest

Alexandra

11.6

19th

1930

4th-lowest

Balclutha

11.7

19th

1972

4th-lowest

Franz Josef

12.8

6th

1953

Equal 4th-lowest

Haast

13.5

8th

1949

Equal 4th-lowest

South West Cape

10.6

7th

1991

Equal 4th-lowest

Record or near-record daily minimum air temperatures for January were recorded at:

Location

Extreme minimum (°C)

Date of extreme temperature

Year records began

Comments

High records or near-records

Waiau

20.3

12th

1974

4th-highest

Low records or near-records

Waiau

0.6

5th

1974

Lowest

Kaikoura (Middle Creek)

4.1

26th

1963

Equal lowest

Orari Estate

2.0

5th

1972

Equal lowest

Whangarei

7.1

6th

1967

2nd-lowest

Motu

-0.6

5th

1990

2nd-lowest

Greymouth

4.4

13th

1947

2nd-lowest

Appleby

2.5

5th

1932

2nd-lowest

Blenheim

1.6

5th

1932

2nd-lowest

Winchmore

0.2

5th

1928

2nd-lowest

Le Bons Bay

5.0

5th

1984

Equal 2nd-lowest

Hanmer Forest

-1.5

5th

1906

3rd-lowest

Mt Cook Airport

-1.7

5th

1929

3rd-lowest

Lake Tekapo

-1.5

5th

1925

3rd-lowest

Timaru

1.7

20th

1885

Equal 3rd-lowest

Waione

2.9

21st

1991

4th-lowest

Nugget Point

4.7

5th

1970

4th-lowest

Secretary Island

6.5

5th

1985

Equal 4th-lowest

Waipara West

4.0

6th

1973

Equal 4th-lowest

Tara Hills

-0.3

5th

1949

Equal 4th-lowest

Wind

On 1 January, the year started with severe winds in Wellington. A Fiji Airways flight from Nadi was diverted to Auckland after failing to land at Wellington Airport due to the severe weather. The Caltex at Adelaide Road needed its forecourt canopy secured, as did a panel that had come loose at the Whitireia Performing Arts Centre on Vivian St. SH 58 between James Cook Drive and Joseph Banks Drive in Whitby were closed for a time due to debris on the road caused by the high winds, and all harbour ferry sailings in Wellington were cancelled for the day.

On 4 January, high winds in Canterbury and Otago caused a caravan to flip on SH 8 near Omarama. The caravan was destroyed and belongings were scattered across the road.

On 9 January, ‘swirling’ winds made it difficult for a plane to land at Wellington Airport. The plane initially tried to land from the north, but pulled up before touching down. It then tried from the south but aborted the landing. After diverting to refuel at Palmerston North, the plane successfully landed at Wellington.

On 11 January, the area around Cromwell was affected by up to four mini tornadoes (known as “dust devils”). These are caused by strong convective heating of the near-surface air. Powerlines and fences were blown down, windows were smashed, several trailers were overturned, and building materials were carried up to 500 m away.

On 12 January, Wellington was affected by strong winds. A row of lights fell 15 storeys from the top of New Zealand Post House after being ripped free by a billboard façade that came loose in the wind. A McDonald’s billboard was torn loose from the side of Victoria University’s Cumberland House. The wind also blew a set of stairs over at Wellington Airport. At the Basin Reserve, camera operators filming cricket had to evacuate from their scaffolding tower due to the wind.

On 15 January, high winds caused chunks of plaster to fall off a Wellington CBD building’s façade.

On 17 and 18 January, strong winds fanned a large fire near Whitianga, which burned down at least eight homes and a sustainable farming community. Residents were evacuated.

On 19 January, the ‘bomb low’ that hit central and southern New Zealand caused damaging high winds in Wellington and parts of the South Island. SH 2 at Rimutaka Hill was closed for a time due to high winds, where gusts of around 150km/hr were recorded. More than 400 households in the Hutt Valley were without power for a time, and power was also cut to parts of Marlborough and the West Coast. Trolley buses were taken off the roads due to the danger of high winds and overhead lines, and all harbour ferry crossings were cancelled. Interislander and Bluebridge ferries were delayed and many flights in and out of Wellington airport were cancelled or delayed. Wind warnings were also in place for SH 1 at the Desert Road and SH 5 from Taupo to Napier. In Invercargill, a line of 25 large pine trees came down during the wind storm.

On 21 January, high winds affected much of the North Island and the northern South Island. Large trees and power lines were toppled, some damaging houses and vehicles in Auckland. Roofs were lifted in the wind and a bouncy castle became tangled in power lines in Kumeu, West Auckland. At the peak of the storm, 15,000 homes in Auckland were without power for a time, and some residents were still without power two days later. Two people were injured when a tree fell on their car as they were driving on the Auckland Southern Motorway. Twelve passengers were evacuated after a tree came down on a train near Papatoetoe. A 250 tonne buoy broke its mooring and washed up on Ngamotu Beach in New Plymouth, and 1500 homes in Taranaki were without power. A gust of wind ripped a wedding reception marquee out of the ground and left it in shreds in south Taranaki. Flights were cancelled in Wellington and part of Vivian Street was closed due to glass falling from a building. In the Hawke’s Bay, a car was blown off the road on SH 2 at the Pakipaki roundabout. In Nelson, strong winds forced the cancellation of the final day of the Evolve Festival after the campsite was flattened.

On 22 January, a commuter train in Auckland hit a shipping container that had been blown onto the tracks during the wind storm the day before. Fortunately no passengers were on board at the time.

On 24 January, strong winds around Queenstown caused powerlines to come down, cutting power to more than 500 households. The Queenstown-Glenorchy Road was closed for a time due to the fallen powerlines. In Aoraki/Mt Cook National Park, a campervan and a caravan were blown over by gusts of wind.

On 25 January, a short-lived storm in the Hutt Valley caused winds that took off some tiles from a supermarket.

On 31 January, strong northwest winds generated large swells on Lake Wakatipu, throwing clouds of spray over pedestrians on Queenstown’s waterfront as they crashed against the lake wall.

The highest wind gust was 170 km/hr, observed at Cape Turnagain on 16 January.

Record or near-record January extreme wind gusts were recorded at:

Location

Extreme wind gust (km/hr)

Date of extreme gust

Year records began

Comments

Auckland (Western Springs)

83

21st

1994

Highest

Motu

100

22nd

1991

Highest

Mahia

104

22nd

1991

Highest

Waiouru

124

22nd

1970

Highest

Nelson

115

22nd

1972

Highest

Oamaru

98

19th

1984

Highest

Tara Hills

98

31st

1985

Equal highest

Baring Head

139

19th

1991

2nd-highest

Puysegur Point

159

24th

1986

2nd-highest

Richmond

107

22nd

1972

2nd-highest

Cape Campbell

117

19th

1963

2nd-highest

Blenheim

98

19th

1972

Equal 2nd-highest

Whakatane

85

22nd

1974

3rd-highest

Auckland (Airport)

100

21st

1971

3rd-highest

Pukekohe

70

21st

1986

3rd-highest

Dannevirke

87

22nd

1961

3rd-highest

Hawera

93

22nd

1986

3rd-highest

Farewell Spit

96

22nd

1973

Equal 3rd-highest

Auckland (North Shore)

70

21st

1994

4th-highest

Whakatane

80

22nd

1974

4th-highest

Manapouri (Airport)

80

14th

1991

4th-highest

Snow and ice

On 3 January, an intense hailstorm passed through Waipara, knocking down fruit and shredding corn cobs. The same cold front caused snow to fall on the Old Man Range near Alexandra, a dusting of snow on the Remarkables Range and hail in Queenstown.

On 13 January, Cardrona Alpine Resort and surrounding mountains received a dusting of snow.

On 19 January, a light dusting of snow was observed on many mountains around the Queenstown-Lakes District.

On 20 January, the Mt Ruapehu ski fields received unseasonable summer snowfall.

On 21 January, the storm that affected the North Island also dumped snow on mountains in the South Island. Cardrona Alpine Resort near Wanaka received over 30 cm of snow, the largest summer snowfall in living memory, according to Cardrona staff.

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