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Get the Evanston, IL local weather forecast by the hour and the next 10 days. ... --UV Index. 4:41PM Sunset. 7 mph F 11 ... USA TODAY 12 hours ago
Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... --UV Index. 4:55PM Sunset. 6 mph F 10 ... USA TODAY 7 hours ago
Get the Lake Villa, IL local weather forecast by the hour and the next 10 days.
USA TODAY 2 hours ago Wind chills 55 below; snow and ice in Florida: Extreme cold invading US. An arctic air mass will channel temperatures 20-30 degrees below already historically cold January ...
Sunburn effect (as measured by the UV index) is the product of the sunlight power spectrum (radiation intensity) and the erythemal action spectrum (skin sensitivity) across the range of UV wavelengths. [9] [10] The UV index is a number linearly related to the intensity of sunburn-producing UV radiation at a given point on the Earth's surface.
Sunburn effect (as measured by the UV Index) is the product of the sunlight spectrum at the Earth's surface (radiation intensity) and the erythemal action spectrum (skin sensitivity). Long-wavelength UV is more prevalent, but each milliwatt at 295 nm produces almost 100 times more sunburn than at 315 nm.
Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... --UV Index. 4:33PM Sunset. 5 mph F 8 km ... USA TODAY 17 hours ago
Get the Rockton, IL local weather forecast by the hour and the next 10 days. ... --UV Index. 4:46PM Sunset. 11 mph F 18 ... USA TODAY 4 hours ago