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Old 06-18-2017, 07:35 AM
 
Location: Portsmouth, UK
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Today UV is 10.3, highest this year was last week with 11, which is about as high as it gets here...
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Old 06-18-2017, 07:36 AM
 
Location: 64'N Umeå, Sweden - The least bad Dfc
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Originally Posted by alphatier View Post
DWD (German MET) had us at 10 yesterday. Where do you get the data from?
Temis.nl. They seem to have pretty extensive data, and the results are more conservative than a lot of UV forecasts, but I also believe they're very accurate.
You're what, 6 degrees south of Leeds? They had 8 yesterday which is rare for them. You're not gonna gain 2 points of UVI from only 6 degrees of latitude. I'd say you'd gain about one point for that. The difference between Umeå and Stockholm is not even one UVI point with a 4.5 degree difference, and at low angles the difference is larger.
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