A cooler than normal August overall resulted from a prolonged cold spell earlier in the month, which saw temps plummet across NZ, particularly in the south, and some long-awaited snowfalls in many parts.
The same system also produced heavy rainfalls in north Auckland/Coromandel, Hawke's Bay and coastal Otago. Later in the month, another storm brought some heavy rainfalls to some areas of the upper North Island, along with unusually high midnight temps in some parts on the 25/26th. Otherwise, quite a dry, sunny month overall.
Aug 2016 Climate Anomaly Map ℅ NIWA.gif
Some very preliminary August 2016 figures for the main centres:
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August 2016 Average Temps, Rainfall and departures from their 1981-2010 normals ℅ NIWA
Site T-max °C T-min °C T-mean °C Rainfall mm
Auckland, Mangere 15.5 +0.5 7.9 -0.3 11.7 +0.1 94 83%
Auckland Aero 15.1 +0.2 7.8 -0.4 11.4 -0.2 80 72%
Tauranga Aero 15.1 +0.1 6.8 +0.1 11.0 +0.2 75 68%
Hamilton Aero 14.8 +0.1 3.8 -0.7 9.3 -0.3 98 82%
Hamilton, Ruakura 15.1 +0.5 4.8 -0.2 10.0 +0.2 80 73%
Wellington, Kelburn 12.0 -0.2 6.4 -0.3 9.2 -0.2 149 128%
Christchurch Aero 11.7 -0.7 1.0 -1.0 6.4 -0.8 39 63%
Dunedin, Musselburgh 11.1 -0.1 3.4 -0.8 7.3 -0.4 65 116%
Greymouth Aero 11.9 -0.9 4.7 -0.4 8.3 -0.6 109 56%
Note that Whangaparaoa, Auckland recorded 142mm (and 156mm here on Waiheke Is.). Some other notable rainfalls include 307mm at Whitianga Aero, 243mm at Warkworth, 186mm at Purerua (BoI) and 170mm at Hastings.
Edit: Amended Chch T-min and updated maps.
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