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New Zealand Climate Update 120 - June 2009

What happened in May, how our last predictions turned out, and what global sea temperatures predict for the climate for June to July.

Current Climate - May 2009

May 2009 was dominated by the persistence of anticyclones (“highs”) over southern Australia and more depressions (“lows”) than normal passing over and to the east of New Zealand. The average May surface pressure over New Zealand was as much as 8 hPa lower than normal. The persistent anticyclones resulted in more southerly air flows than normal over New Zealand.

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