<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1441041602162_2781">Hi all, </div><div id="yui_3_16_0_1_1441041602162_2781" dir="ltr">I want to compute standard deviation from nc file having precipitation data.</div><div id="yui_3_16_0_1_1441041602162_2781" dir="ltr">There are also some undefined values in file. How can i do this. Please guide me.</div><div id="yui_3_16_0_1_1441041602162_2781" dir="ltr"><br></div><div id="yui_3_16_0_1_1441041602162_2781" dir="ltr"><br></div><div id="yui_3_16_0_1_1441041602162_2781" dir="ltr">Thanks</div><div id="yui_3_16_0_1_1441041602162_2781" dir="ltr">Amina</div><div id="yui_3_16_0_1_1441041602162_2781" dir="ltr"><br></div></div></body></html>