what is used to measure sunshine

what is used to measure sunshine

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what is used to measure sunshine
what is used to measure sunshine

what is used to measure sunshine


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what is used to measure sunlight

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instrument used to measure sunshine

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what instrument is used to measure sunshine

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sunshine recorder is used to measure

sunshine recorder is used to measure


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how is sunshine measured

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what is sunshine measured in units

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how is daily total sunshine measured

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which weather instrument measures sunshine

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what does a sunshine recorder measure

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sunshine is measured in hours per day

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