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

 _    _     _____    ______     _____    _    _   
| || | ||  |  ___|| |      \\  |  ___|| | || | || 
| || | ||  | ||__   |  --  //  | ||__   | || | || 
| \\_/ ||  | ||__   |  --  \\  | ||__   | \\_/ || 
 \____//   |_____|| |______//  |_____||  \____//  
  `---`    `-----`  `------`   `-----`    `---`