Plumas Bancorp., the parent company of Plumas Bank, reported first quarter 2016 earnings of $1.6 million or $0.32 per share, an increase of $358 thousand from $1.2 million or $0.25 per share during the first quarter of 2015. The $1.6 million represents the highest level of earnings, for any first quarter, in the history of Plumas Bancorp. Diluted earnings per share increased from $0.24 per share during the three months ended March 31, to $0.31 per share during the current three-month period.