Author Topic: NZ weather summary December 1969  (Read 84 times)

Offline Rwood

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NZ weather summary December 1969
« on: September 30, 2018, 10:17:29 PM »
December 1969: It was warm and rather wet. During the first half of the month, in most districts there was sufficient rain to prevent the generally dry conditions at the end of November from worsening. However, in the drought-stricken areas of Canterbury and North Otago conditions did deteriorate and by the middle of the month they were reported to be the worst ever experienced. Fortunately good rains from the 17th-19th freshened up pastures throughout the country. In many districts, especially in the North Island, growth was very good. However, conditions were still too dry in coastal Canterbury and parts of North Otago and central Marlborough, besides some southern and western districts of the North Island. Many areas were buffeted by northwesterly gales on Christmas Day, and these were particularly strong through Cook Strait.

Rainfall:  Rainfall was mainly 50% above average. It was more than double the average value in Central Otago and parts of inland Canterbury, around Motueka, in Taupo and eastern Bay of Plenty, and in parts of Northland. Rainfall was below average by up to 50% in Waitomo, northern Hawkes Bay, northern Wairarapa, Wellington, the Kaikoura Coast, and Banks Peninsula; and also in Taranaki except around and just south of Mt Egmont. Many thunderstorms were reported, with local downpours at times causing flooding. They were widespread throughout the country during the periods 1-4 and 18-19 December. They were also reported frequently in the North Island on the 11th, 12th and 20th, and in the South Island on the 21st and 25th.

Temperatures: In the North Island and in the South Island from Greymouth and Dunedin eastward temperatures were 3F-5F warmer than normal; and Auckland, Wellington and Christchurch all had their warmest December since 1934. Over the remainder of the South Island temperatures were 1F-2F above average.

Sunshine: Sunshine was mainly close to average. In eastern districts from Gisborne to Kaikoura and in Wellington, Bay of Plenty and northern Northland it was 20-45 hours below average.

[Some totals:  Kaitaia 187, Kerikeri 215, Whangarei 193, Auckland 218, Tauranga 220, Whakatane 188, Taupo 198, Opotiki 163, Auckland Aero 232, Hamilton 216, New Plymouth 238, Masterton 208, Gisborne 205, Napier 202, Wairoa 202, Paraparaumu 220, Ohakea 227, Palmerston North 214, Levin 190, Wellington 198, Stratford 222, Ohakune 196, Wanganui 230, Takaka 222, Westport 201, Hokitika 188, Greymouth 178, Haast 179, Riwaka 239, Nelson 228, Blenheim 225, Grassmere 204, Kaikoura 194, Mt Cook 160, Mt John 233, Methven 194, Christchurch 190, Tekapo 251, Timaru 159, Waimate 158, Omarama 228, Palmerston 179, Dunedin Aero 165, Dunedin 188, Oamaru 169, Queenstown 201, Alexandra 211, Invercargill 186, Campbell Is 79, Chatham Is 175]


Sources: NZ Met. Misc. pub. 107 (Climatological table, NZ Gazette) and NZ Met. Misc. pub. 109 (Meteorological Observations) - additional comments by the poster.



Offline Rwood

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Re: NZ weather summary December 1969
« Reply #1 on: September 30, 2018, 10:28:55 PM »
A warm month with plenty of instability, unlike November.

Campbell Is recorded only 546 hours of sunshine for the year 1969, the lowest total since 1951 (535 hours).  On the other hand, NZ's sunniest regions all managed to have above normal totals.

Offline tich

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Re: NZ weather summary December 1969
« Reply #2 on: September 30, 2018, 10:53:29 PM »
December 2017 similar, but I guess even warmer.

Offline Rwood

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Re: NZ weather summary December 1969
« Reply #3 on: October 01, 2018, 10:50:10 AM »


Yes, about 0.9C warmer - 1969 was warmest Dec since 1934 at 17.2C but there followed 1974 (17.3C), 1988 (17.2C), 2005 (17.5C) and 2017 (18.1C) - 1934's 18.5C still well clear. 1969 and 2005 Decembers were quite cloudy whereas 1934, 1974, 1988 and 2017 were sunny, especially 1934. 2017 Dec was very dry. Dec 1974 did have a lot of thunderstorm activity.


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