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 _    _      ___     _    _      ___      _  __  
| \  / ||   / _ \\  | \  / ||   / _ \\   | |/ // 
|  \/  ||  | / \ || |  \/  ||  | / \ ||  | ' //  
| .  . ||  | \_/ || | .  . ||  | \_/ ||  | . \\  
|_|\/|_||   \___//  |_|\/|_||   \___//   |_|\_\\ 
`-`  `-`    `---`   `-`  `-`    `---`    `-` --`

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Text this: A trend of surface solar radiation in Chiang Mai, Thailand