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Author Topic: NZ weather summary February 1974  (Read 1925 times)

Offline Rwood

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NZ weather summary February 1974
« on: March 28, 2012, 11:11:18 AM »
February 1974:  There was an unusually high frequency of north-easterlies in February. It was a very warm month, especially in the north, besides being very cloudy in Canterbury and Otago. The dry weather of January continued into the first half of February, with drought conditions developing in some areas. Good rains in the second half of the month brought some relief to most districts but they were inadequate in parts of the North Island, where drought persisted in places. In the south it was a good month for growth but rather poor for harvesting and haymaking.

Rainfall: Rainfall was above normal over nearly the whole of the South Island, also around the Bay of Islands and in most of Bay of Plenty. These two areas received heavy rain from the 22nd-24th, causing some flooding. Kaikohe’s rainfall for the 22nd was 125mm and for the 23rd 114mm. Over the greater part of the North Island rainfall was below normal by 30-70%.

214mm rainfall at Waitangi, 627mm at Milford, 117mm at Omarama, 26mm at Cape Reinga, 14mm at Whenuapai.

Temperatures:  Temperatures were above normal by 2C-4C in the North Island and by 1C-2C in the South Island. Over the northern half of the North Island west of the main ranges it was the warmest of any month in up to a century of observations. In this area the previous warmest month was generally February 1955. {Although February 1998 was significantly warmer for New Zealand, mean temperatures for the the northern third (western half) of the North Island were very little different from those of 1974, and in a number of cases February 1974 is still the warmest month. Umawera and Puketurua, both in Northland, had an average daily maximum of 28.6C, surpassed only by Cromwell in January 1956 and Dargaville EWS in 1998, with 28.7C. A station in Kaitaia had a mean monthly temperature of 23.5C.}

36.3C maximum at Hastings on the 3rd.

Sunshine:  In the South Island sunshine was below normal by 20-80 hours, with greatest deficiencies in Canterbury and Otago, where many stations received record low values for February. In the North Island sunshine was mainly close to normal.

[Some totals: Kaitaia 197, Dargaville 229, Auckland 194, Thames 172, Tauranga 190, Whakatane 178, Hamilton 170, Taumarunui 163, New Plymouth 193, Masterton 177, Gisborne 194, Napier 172, Ohakea 211, Palmerston North 201, Levin 177, Wellington 178, Stratford 175, Ohakune 182, Wanganui 195, Takaka 175, Westport 145, Greymouth 126, Hokitika 120, Haast 102, Riwaka 205, Nelson 178, Blenheim 202, Kaikoura 144, Mt Cook 124, Mt John 158, Methven 106, Christchurch 116, Timaru 70 [equal record NZ low for Feb.], Waimate 83, Dunedin 100, Oamaru 85, Queenstown 142, Alexandra 152, Gore 126, Invercargill 152, Raoul Is 219, Chatham Is 60].

Sources: NZ Met. Misc. pub. 107 (Climatological table, NZ Gazette) and NZ Met. Misc. pub. 109 (Meteorological Observations).






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