Those who depend on the Stanislaus, Tuolumne and Merced rivers for agriculture and drinking water may have received a reprieve Tuesday night. The State Water Resources Control Board was set to adopt a proposal to double the amount of water allowed to flow unimpeded down the rivers and out to the Sacramento-San Joaquin delta on Wednesday. Instead, the board received a written request from Gov. Jerry Brown’s office and Governor-elect Gavin Newsom to postpone the vote until Dec. 12.