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Old 06-29-2012, 01:37 AM
 
Location: Bangkok, Thailand
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Quote:
Originally Posted by ADGreen View Post
Is that a geographical average or a population weighted average?

Always been curious about this....Obviously the latter would be much lower than the former given the large population settlements in the SE and southern regions.
Geographical (note that few sites in Aus record sun data). Still, among major population centres in Aus I think only Melbourne would be much below the mainland mean.
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Old 06-29-2012, 02:19 AM
 
Location: Wellington and North of South
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Quote:
Originally Posted by ChesterNZ View Post
Geographical (note that few sites in Aus record sun data). Still, among major population centres in Aus I think only Melbourne would be much below the mainland mean.
Given that graph I linked to, I find that figure hard to accept. A very large portion of the country exceeds 8 hours/day. Where's your source for that number?
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Old 06-29-2012, 04:19 AM
 
Location: Bangkok, Thailand
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Quote:
Originally Posted by RWood View Post
Given that graph I linked to, I find that figure hard to accept. A very large portion of the country exceeds 8 hours/day. Where's your source for that number?
The figure I gave was simply the average of sunshine means for all the mainland stations with at least ten years of data. I haven't interpolated over the whole area of the country.
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Old 06-29-2012, 04:22 AM
 
Location: Wellington and North of South
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Quote:
Originally Posted by ChesterNZ View Post
The figure I gave was simply the average of sunshine means for all the mainland stations with at least ten years of data. I haven't interpolated over the whole area of the country.
Then you have effectively left out a huge area of hinterland that averages > 8 hours/day. Look at the graph posted - the geographical average has to be at least 3,000.
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Old 06-29-2012, 08:20 AM
 
Location: Mid Atlantic USA
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Quote:
Originally Posted by RWood View Post
Then you have effectively left out a huge area of hinterland that averages > 8 hours/day. Look at the graph posted - the geographical average has to be at least 3,000.
Australia is the driest continent on earth I think. I'm pretty sure it has to be one of the sunniest given that climate, but most of the people live in the regions thar are more hospitable.
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Old 06-29-2012, 08:22 AM
 
Location: Mid Atlantic USA
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Quote:
Originally Posted by ChesterNZ View Post
2768 hrs is the mean for the mainland. Tasmania would bring the figure down further still. So certainly not among the sunniest.
That doesn't seem to jive with the fact that Australia is the driest continent. The huge unpopulated desert areas have to get over 3000 hrs I would think.
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Old 06-29-2012, 09:24 AM
 
Location: Bangkok, Thailand
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Quote:
Originally Posted by tom77falcons View Post
That doesn't seem to jive with the fact that Australia is the driest continent. The huge unpopulated desert areas have to get over 3000 hrs I would think.
Sunniest site is Dampier with over 3700 hrs: Climate statistics for Australian locations

I imagine most of interior WA, NT and SA would be around 3500 hrs, with the interior of the other mainland states having comfortably over 3000 hrs.

But I think sunshine in populated places is more meaningful.
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Old 06-29-2012, 09:41 AM
 
Location: Melbourne AUS
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Average sunshine for Australia as a whole has to be over 3000 hours. Most of WA, SA, inland QLD, essentially all of NT (even Darwin with its wet Season), northern Victoria and inland NSW average over 3000 hours. The only places that fall short of this are southern Victoria, SE SA, SW WA (only south of Perth), and most of the eastern coast of NSW and QLD.
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Old 06-29-2012, 01:30 PM
B87
 
Location: Surrey/London
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Brisbane supposedly gets 2800 hours but ever since I've been here (since Aug 2011), it's rained more than an average year in the UK and been mostly cloudy quite often.
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Old 06-29-2012, 02:16 PM
 
Location: Mid Atlantic USA
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Originally Posted by B87 View Post
Brisbane supposedly gets 2800 hours but ever since I've been here (since Aug 2011), it's rained more than an average year in the UK and been mostly cloudy quite often.
This has been talked about recently on this forum. It is certainly not the norm from what I've read and more to do with La Nina I think.
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