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Forecasts of Fredericksburg A index are integer forecasts of the observed daily (24 hour) geomagnetic A index at Fredericksburg, VA. Forecast lead times range from 1-day to 7-days. Verification results are provided on forecasts from July 1986(the beginning of solar cycle 22) through December 2006.
Fredericksburg A-index Observed Plot
Joint Distribution of Forecasts and Observations Plot
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