Rainfall.txt

var StudyArea = ee.FeatureCollection("users/Dawoods_Kym/Wetland_extents_project");
var dataset = ee.ImageCollection('UCSB-CHG/CHIRPS/PENTAD')
                  .filter(ee.Filter.date('2000-02-01', '2020-05-31'))
                  .filterBounds(StudyArea);
var precipitation = dataset.select('precipitation');
var precipitation = precipitation.mean().clip(StudyArea);
var precipitationVis = {
  min: 0.0,
  max: 112.0,
  palette: ['001137', '0aab1e', 'e7eb05', 'ff4a2d', 'e90000'],
};
print(ui.Chart.image.series(dataset,StudyArea,ee.Reducer.mean(),5000).setOptions
({
  title: "Lake Ol'Bollosat Precipitation Over Years",
  trendlines: {
     0: {color: 'CC0000'}
   },
  hAxis: {title: 'Years'},
  vAxis:{title:'rainfall (mm/5 days)'}
}));
Map.centerObject(roi, 8);
Map.addLayer(precipitation, precipitationVis, 'Precipitation');
// Export.image.toDrive({
//   image: precipitation,
//   description: 'Rainfall_1990',
//   folder: 'RS_APPS',
//   fileNamePrefix: 'Rainfall_1990',
//   region: StudyArea,
//   fileFormat: 'GeoTIFF',
  //formatOptions: {
  //  cloudOptimized: true
  //}
// });