Union Democrat: After heavy snowfall blanketed the Central Sierra in January and February, dry conditions since have rapidly depleted the area’s snowpack well below average for the second straight year, throwing California arguably into a drought. The year’s final snow survey, on Thursday, revealed a California snowpack at 67 percent of normal – after an April 1 snow survey that measured the snowpack at about average. This equates to a runoff that is predicted to be between 55 and 65 percent of …