You might apply extra sunscreen when it's high |
Universal |
13 Jul 2025 |
Fig. in a summer weather report |
The New Yorker |
06 Apr 2020 |
Measure discussed on the EPA's SunWise web page |
LA Times Daily |
27 May 2015 |
Measure discussed on the EPA's SunWise web page |
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Measure of burning potential |
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Scale with the highest reading at midday, usually |
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Number affected by cloud cover |
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Sunburn-related meas. |
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Sunburn-related meas. |
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Scale used in summer weather forecasts |
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Scale used in summer weather forecasts |
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It drops to 0 after sundown |
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Number for beachgoers |
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