By THE STAR STAFF The extent of the drought in Puerto Rico decreased over the past week, dropping from 75.2% to 69.1% of the territory, according to the latest update from the U.S. Drought Monitor, based on data valid as of Tuesday, Sept. 8. The report shows that extreme drought also receded and now affects 39.5% of Puerto Rico, down from the 41% recorded the previous week. Severe drought decreased from 21.3% to 18.3% of the territory. Moderate drought currently covers 11.3% of the island,…