===================================================== SRRL BMS instruments used for TMY3 format data ===================================================== GHI (W/m^2) Global CM22 or CMP22 (vent) DNI (W/m^2) Direct CH1 or CHP1 #1 DHI (W/m^2) Diffuse 8-48 or CM22 #2 GH illum (lx) not used DN illum (lx) not used DH illum (lx) not used Zenith lum (cd/m^2) not used TotCld (tenths) Cloud Cover TSI-880 (Total) OpqCld (tenths) Cloud Cover TSI-880 (Opaque) Dry-bulb (C) Dry Bulb Temperature (Tower) Dew-point (C) Dew Point Temperature (Tower) RHum (%) Relative Humidity (Tower) Pressure (mbar) Station Pressure Wdir (degrees) Wind Direction @ 42ft, 19ft, or 33ft Wspd (m/s) Wind Speed @ 42ft, 19ft, or 33ft Hvis (m) not used CeilHgt (m) not used Pwat (cm) not used AOD (unitless) not used Alb (unitless) Albedo (PSP, CM21, or CMP11) Lprecip depth (mm) Precipitation =====================================================