發送短信 : Drought analysis based on grid-rainfall data

  _  __   __   __   _    _     ______    ______  
 | |/ //  \ \\/ // | |  | ||  /_   _//  /_   _// 
 | ' //    \ ` //  | |/\| ||   -| ||-     | ||   
 | . \\     | ||   |  /\  ||   _| ||_    _| ||   
 |_|\_\\    |_||   |_// \_||  /_____//  /__//    
 `-` --`    `-`'   `-`   `-`  `-----`   `--`