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ARM RCS Raw Data: Preset Calculations
January 13, 2003 to June 25, 2004

Calculation nameEquationCondition to computeValue during failed condition
Sky Temp (PIR-A) [deg C]({Downwelling IR PIR-A [W/m^2]}/5.67E-8)**0.25-273.1510
Sky Temp (PIR-B) [deg C]({Downwelling IR PIR-B [W/m^2]}/5.67E-8)**0.25-273.1510

Preset calculations are performed on the fly, as requested by user.
Calculation is only performed when condition equation is true, otherwise the failed condition value is output
Plots using a Langley calculation will be plotted versus airmass (instead of time) and will also include a linear fit with slope & intercept.
Wind Direction Deltas are special cases that go beyond the equations listed above to keep the data in the 0 to 180 degree realm.