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Location: The western periphery of Terra Australis
24,544 posts, read 56,047,835 times
Reputation: 11862
Quote:
Originally Posted by RWood
Are you sure it gets 10 hours? Nowhere on a list of 6 (other) places in NC shows as more than 67% in any summer month. Only if Durham gets more than 67%, or has 15 recordable hours at 67%, would that seem to stack up.
You also have to allow for latitude affecting possible sun totals - the figures I have for Perth Aero (may now be a year or two out of date) show both Dec & Jan getting about 360 hours, which amounts to 82-83% of possible, even with no horizon or instrumentation loss at all assumed.
Perth Airport (?) isn't a good site to study, since records only began in 1992. Which is why it shows 8.8 hours a year - way too high to reflect Perth's sunniness. The old Perth RO site at Supreme Court Gardens averaged 7.9 hours, while the Mount Lawley Site is similar.
I think Perth gets like 10.8 hours in January, which is about 74%.
Perth Airport (?) isn't a good site to study, since records only began in 1992. Which is why it shows 8.8 hours a year - way too high to reflect Perth's sunniness. The old Perth RO site at Supreme Court Gardens averaged 7.9 hours, while the Mount Lawley Site is similar.
I think Perth gets like 10.8 hours in January, which is about 74%.
Yes - but the RO site was probably influenced by buildings - so you have to allow for that. What's the record span for Mt Lawley?
And regarding the 8.8 hours/year at the Aero, if that keeps up for another decade or so it will have to be accepted.
Location: The western periphery of Terra Australis
24,544 posts, read 56,047,835 times
Reputation: 11862
Quote:
Originally Posted by wavehunter007
Hmmm, you got me?
Could Yuma possibly be sunnier than the Sahara?
Maybe, but that seems like a stretch.
If you go by this...it looks like North Africa still gets more total solar output. Who knows how right these maps are though:
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Splitting hairs, imo. Kinda like the 'hottest', 'coldest' records. Yuma is the sunniest place that records are taken - there may be places in the Sahara without weather stations that are sunnier - but 94% or whatever it is is still pretty hard to top. Some Sahara stations might have more, but no more than very slightly, but it's very possible the SW deserts of the US are sunnier than the Sahara (aridity isn't just a matter of vastness). Nowhere on earth gets 100% possible sunshine.
Your likley right. The NWS network in the USA is pretty accurate. There might be locations in the Sahara on par...but getting those obs would be difficult.
I just can't fathom what 94% of annual sunshine must be like - lol.
San Francisco still gets 64% possible sun annually. Facts are more important than subjectivity.
Good total there really. During my last visit there last year, it were foggy over the first 3-4 days but very sunny afterwards with only 2 partly cloudy days over the course of 2 weeks (14 days). Got back to Sydney very tanned which disappeared very quickly during the coldest and wettest October in 10 years LOL. However suburbs west of the hills - Sunset and Richmond to name but two, and Twin Peaks to an lesser extent, seemed to get the worst of the fog. It were very brown and dry around south SF (especially around the airport) but much greener around Chrissy Field/GGB areas - no doubt the fog provides much moisture. The mornings were the best - calm, sunny and "warm". Only in the afternoons did the wind spring up thus ensuring the wearage of an jumper/jacket. One day it was 31oC - the humidity was incredible with no wind due to an off-shore airflow. Many people living in SF come from the "hotter and humid" southern states and they love the cool & much less humid climate . The difference between maximums/minimums weren't that large as compared to eastern states like NY, CT and MA to name but three for example.
There is often a very great temperature gradient for Californian cities from the coast to inland suburbs.
San Francisco appears to be the case. Stats say the average summer max's are only 18C - thats wintry to me - but most people are still in summer clothing.
Sydney has a mediocre climate in my book, I have spent summers there where there was hardly any beach weather - either too cool, overcast or wet, making the tourist brochures of Bondi look laughable.
Canberra, often criticised as being too cold - and 100 frosts a year is not to be sneezed at - still has a balmy continental summer climate, and hence hotter than most think.
Sydney has a mediocre climate in my book, I have spent summers there where there was hardly any beach weather - either too cool, overcast or wet, making the tourist brochures of Bondi look laughable.
Canberra, often criticised as being too cold - and 100 frosts a year is not to be sneezed at - still has a balmy continental summer climate, and hence hotter than most think.
THANK YOU FOR THAT! Seriously I am sick of trying to convince people that I live in a cool to cold city that gets more rain than London or Seattle, and that barely gets more than around 10-15 hot days a year!
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. The difference between maximums/minimums weren't that large as compared to eastern states like NY, CT and MA to name but three for example.
