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When the UV index is presented on a daily basis, it represents UV intensity around the sun's highest point in the day, called solar noon, halfway between sunrise and sunset. This typically occurs between 11:30 and 12:30, or between 12:30 and 13:30 in areas where daylight saving time is being observed.
Unlike most desert locations which have drastic fluctuations between day and ... UV Index Today (1995 to 2022) [36] ... Mean daily daylight hours 10.0 11.0 12.0 13.0 ...
Source 2: UV Index Today (1995 to 2022) [4] ... Daily sunshine hours range from a low of 3.6 in December to a high of 12.3 in July, [6] ...
2 UV Index. 4:47PM Sunset. ... Fox Weather 12 minutes ago Multiday lake-effect snow event could bury parts of New York in up to 3 feet through weekend. ... USA TODAY 1 day ago
Full-spectrum light is light that covers the electromagnetic spectrum from infrared to near-ultraviolet, or all wavelengths that are useful to plant or animal life; in particular, sunlight is considered full spectrum, even though the solar spectral distribution reaching Earth changes with time of day, latitude, and atmospheric conditions.
[11] [12] Globally however, despite a several-month 5% drop in overall solar irradiation, and a reduction in direct sunlight by 30%, [13] there was no negative impact on global agriculture. [ 2 ] [ 14 ] Surprisingly, a 3-4 year [ 15 ] increase in global Agricultural productivity and forestry growth was observed, excepting boreal forest regions.
On the positive side, UV exposure enables the synthesis of vitamin D 3, which is essential for bone health [1] and potentially plays a role in inhibiting certain cancers. [ 2 ] [ 3 ] While vitamin D can also be obtained through dietary supplements, [ 4 ] UV exposure offers benefits such as enhanced subdermal nitric oxide production and improved ...
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