Each point is an average of five one minute samples. WeatherBug uses National Weather Service data for their "near-realtime" stations, which are extremly accurate but make a blockier flater graph because they are averaged and delayed by several minutes. The AWS/Weatherbug realtime stations make more interesting graphs but their current wind speed seems to be drastically understated (we are having a windstorm right now and all the realtime stations within 50 miles show wind under 7mph, The WOI-TV weather station in Des Moines is hovering around zero, occasionally spiking at 3mph) and they also overstate the gusting conditions, yesterday it was near dead calm and they were claiming gusts to 25mph. I've decided it's better to be accurate than pretty so I stick to the delayed NWS stations.
The graph is uploaded every hour.
If the wind is calm, I get to fly my R/C model sailplanes out of my horse pasture, if it's windy then I get to build sailplanes on my workbench. Just fininshing up my new 10 foot wingspan Bird Of Time.
If you like the graph, feel free to take the software, I wrote it and it's freeware for you to do with as you please (except you can't sell it or make money off distributing it). If you use this software then please include a link back to davesplanet.net on the page where you use it.
Download the Visual Basic source code and compiled EXE by right clicking HERE and selecting "Save As".
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