<!-- Sample graph with a single series of data points. --><WxML>	<graph bgcolor="#FFFFCC">			<time start="199902020000" end="199902022345"/>				<axis units="fahr"/>			<series visible="true">			<data src="http://sdg.mesonet.org/docs/wxml/data/19990202NORM.MTS"				network="Oklahoma Mesonet" param="TAIR" units="fahr"/>			<lineStyle color="#FF0000"/>		</series>		</graph></WxML>