Multicharts with sliders showing values on all charts as per WeatherUnderground Beta Weather Site.
WeatherUnderground's new beta weather site (http://preview.wunderground.com/cgi-bin/findweather/hdfForecast?query=94965&MR=1) shows the use of three charts showing various weather variables with ONE slider over all three charts showing the values on all three charts. This multi-layered configuration of charts linked by one slider would definitely be great indeed as it avoids crowding too may items on one chart.
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