Sunday, March 17, 2013

Four weeks of climate data:
Southern Temperate Region #3

 And now we hit a big clump of land the the Southern Temperate Zone, Australia and New Zealand.


Unlike that one island in the south Indian Ocean, most of the land here is between the 25th and 45th parallels, which makes for more moderate weather in general.


All three of our measurement systems have two upward steps and one downward step. The increase in the median from the first era to the last is less than half a degree.


In the Fall, the general trend of increase is more noticeable, but the difference in medians from first to last is slightly less that the Summer change.


The increasing trend is more noticeable in the Winters and the median jump is over a half degree.


Spring is bouncing up and down more randomly than the other seasons, but the median shows a steady increase of about a half a degree.

Confidence of the region warming: 99.9%
Confidence of decreasing rate: 65.8%
Change in median temperature from the 1955-1975 interval to the 1999-2010 interval: 0.44° C

We get a similar story to many of our regions. Yes, it's warming. No, we can't say if the rate is increasing or decreasing with any confidence and the amount of warming is in the range of a half degree Celsius in 56 years.

Later today, the fourth region, the Pacific islands between New Zealand and South America.

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