Mid-Hudson News reports that Columbia, Dutchess and Westchester all had 3.3 percent unemployment rates in February, which was the Hudson Valley average. Greene County was at 4 percent and Delaware County was at 4.5 percent. Columbia County's unemployment rate was the same in January, and slightly higher, at 3.5 percent, a year ago. Greene County's rate improved from 4.1 percent a month ago, and 4.5 percent a year ago. Ulster County was at 3.5 percent, better than the 3.8 percent rate in January, and the 4 percent rate a year ago. Read more about this story at Mid-Hudson News.