Calculated Results
Air Mass, m
at chosen date and time (Kasten and Young 1989)		3.1049
Rayleigh Scattering Optical Depth, τ
at Chosen Pressure/Wavelength (Bucholtz 1995)		0.0935
Total Rayleigh Scattering Optical Depth, τtotal = m*τ0.2902

Sunphotometer Analysis Input
Pressure (mb)
Time Zone
Hour (0-23)
Minute (0-59)
Second (0-59)
Month (1-12)
Day (1-31)
Year
Latitude
Longitude
Wavelength (nm)
Sun Photometer Diagram

By W. Patrick Arnott and Ben Sumlin