June 1975: June was marked by a greater frequency of south-easterly winds than usual, and it was the first month since August 1974 with temperatures colder than normal. Frosts cut back pasture growth but stock were wintering well.
Rainfall: Rainfall was above normal over the greater part of the North Island and also over most eastern districts of the South Island from Timaru northward. The main areas with a surplus of more than 50% were the Canterbury Plains with Banks Peninsula and coastal North Canterbury, districts around Cook Strait, and eastern Northland from Whangarei northwards. Rainfall was more than 25% below normal in Fiordland, most of Westland, Otago and Southland, and parts of South Canterbury, Nelson, and Manawatu. In many districts, including Auckland, Wellington, and most of Canterbury, well over half the rain fell from the 13th to the 15th, during the passage of a depression over the North Island. In southern and eastern parts of Banks Peninsula the total rainfall for these 3 days was unusually high, up to 340mm. Many areas throughout the country reported local flooding, and gales.
Some monthly totals (mm): Rotoiti 87, Milford 296, Oamaru Aero 19, Dunedin 33, Ophir 15, Milton 31; Auckland (Albert Park) 206, Masterton 140, Kelburn 210, Blenheim 106, Kaikoura 129, Christchurch 115.
Temperatures: Temperatures were mainly below normal by about 0.5C. The last week was particularly cold and frosty. At Twizel the minimum air temperature fell below freezing every day after the 7th, and on the 17th, 24th and 25th the air temperature remained below freezing all day. Considerable snow fell in this and neighbouring areas from the 14th to the 16th. Parts of inland Canterbury reported the ground frozen to a depth of 10cm by the end of the month.
20.4C maximum at Kaitaia on the 4th,
-14.0C minimum at Tekapo on the 18th.
Sunshine: Sunshine was mainly close to normal or above it. Parts of Canterbury, Central Otago and inland Southland were favoured with a surplus of 15-30 hours.
[Some totals: Kaitaia 137, Dargaville 118, Whangarei 141, Auckland 138, Tauranga 160, Whakatane 163, Taupo 120, Hamilton 111, Taumarunui 86, New Plymouth 138, Masterton 111, Dannevirke 104, Gisborne 121, Napier 135, Wairoa 101, Paraparaumu 131, Palmerston North 125, Levin 133, Wellington 118, Stratford 121, Wanganui 115, Westport 104, Hokitika 125, Greymouth 107, Haast 140, Riwaka 152, Nelson 164, Blenheim 181, Kaikoura 149, Mt Cook 93, Mt John 163, Methven 136, Christchurch 145, Timaru 132, Waimate 123, Omarama 149, Palmerston 115, Dunedin 86, Queenstown 81, Alexandra 109, Gore 100, Invercargill 69, Campbell Is 6].
Sources: NZ Met. Misc. pub. 107 (Climatological table, NZ Gazette) and NZ Met. Misc. pub. 109 (Meteorological Observations) - additional comments by the poster.
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February 12, 2012, 12:56:08 PM