<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div dir="ltr">hi dear</div><div dir="ltr">my data is 1900-2010 month avrage.</div><div dir="ltr">I need to calculate decade of jan month.</div><div dir="ltr">peas help me</div><div dir="ltr">tanks.</div><div dir="ltr"> </div><div dir="ltr"> </div></div></body></html>