| Measurements: | sgp15swfanalsirs1longE2.c1: - Arithmetic Average Cosine of the Solar Zenith Angle Z (CosZ)(solar_cos_z)
- Measured Downwelling Direct Shortwave Irradiance (dir)(dirfluxdn_measured)
- Measured Downwelling Summed Shortwave Irradiance
(dirfluxdn_measured+diffluxdn_measured) (ssw)(sswfluxdn_measured) - Ratio of Clear-sky Fit Estimated Downwelling Diffuse Shortwave Irradiance to
Clear-sky Fit Estimated Downwelling Global Shortwave Irradiance (cdifr)(difratiodn_clearskyfit) - Clear-sky Fit Estimated Downwelling Global Shortwave Irradiance (cgsw)(gswfluxdn_clearskyfit)
- Fractional Sky Cover(cloudfraction)
- Dummy altitude for Zeb(alt)
- Measured Surface Albedo from Shortwave Irradiance Measurements (alb)(albedosw_measured)
- Ratio of Measured Downwelling Diffuse Shortwave Irradiance to Measured
Downwelling Global Shortwave Irradiance (difr)(difratiodn_measured) - Measured Downwelling Global Shortwave Irradiance (gsw)(gswfluxdn_measured)
- lat(lat)
- Time offset of tweaks from base_time(time_offset)
- Clear-sky Fit Estimated Downwelling Direct Shortwave Irradiance (cdir)(dirfluxdn_clearskyfit)
- Number of 1-minute Cloud Fraction Estimates in the 15-minute Interval (Ncf)(nsamples_cloudfraction)
- Measured Downwelling Diffuse Shortwave Irradiance (dif)(difswfluxdn_measured)
- Difference: sswfluxdn_measured - sswfluxdn_clearskyfit (sswfcg)(sswfluxdn_cloudeffect)
- Clear-sky Fit Estimated Downwelling Diffuse Field Shortwave Irradiance (cdif)(difswfluxdn_clearskyfit)
- Measured Downwelling Global UVB Irradiance (guvb)(guvbdn_measured)
- Difference: gswfluxdn_measured - gswfluxdn_clearskyfit (gswfcg)(gswfluxdn_cloudeffect)
- base time(base_time)
- Time Offset from base_time_LST(time_offset_LST)
- Arithmetic Average Distance from the Earth to the Sun (au)(sun_earth_distance)
- Number of 1-minute Clear-sky Detections in the 15-minute Interval (Nclr)(nsamples_clearsky_detection)
- Site Identification(site)
- Clear-sky Fit Estimated Downwelling Summed Shortwave Irradiance
(dirfluxdn_clearskyfit+diffluxdn_clearskyfit) (cssw)(sswfluxdn_clearskyfit) - Clear-sky Fit Estimated Downwelling Global UVB Irradiance (cguvb)(guvbdn_clearskyfit)
- Number of 1-minute Measured Downwelling Summed Shortwave Irradiances in the
15-minute Interval (Nssw)(nsamples_sswfluxdn_measured) - Ratio of Measured minus Clear-sky Fit Estimated Downwelling Diffuse Shortwave
Irradiance to Clear-sky Fit Estimated Downwelling Global Shortwave Irradiance
(di(difcloudeffect_normalized) - Clear-sky Fit Estimated Surface Albedo from Shortwave Irradiance Measurements
(calb)(albedosw_clearskyfit) - lon(lon)
- Number of 1-minute Clear-sky Fit Downwelling Global Shortwave Irradiance
Estimates in the 15-minute Interval (Ncsw)(nsamples_gswfluxdn_clearskyfit) - Average over the interval of the standard deviation of difratiodn_measured
computed using a 3-5 sample window centered at each 1-min sample(difratiodn_measured_stdev) - Beginning Time of File (LST)(base_time_LST)
- Difference: difswfluxdn_measured - difswfluxdn_clearskyfit (diffcg)(difswfluxdn_cloudeffect)
sgpsirs60sE2.a1: - Battery Voltage(vBatt)
- Down-welling unshaded pyranometer voltage(down_short_hemisp)
- Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Minima(down_short_hemisp_min)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Minima(down_short_diffuse_hemisp_min) - Upwelling (10 meter) Shortwave Hemispheric Irradiance, Pyranometer, Maxima(up_short_hemisp_max)
- Shortwave Direct Normal Irradiance, Pyrgeometer(short_direct_normal)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Maxima(down_long_hemisp_shaded_max)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Minima(down_long_hemisp_shaded_min)
- Time offset of tweaks from base_time(time_offset)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Standard
Deviation(up_long_hemisp_std) - Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Standard
Deviation(down_long_hemisp_shaded_std) - Upwelling (10 meter) Shortwave Hemispheric Irradiance, Pyranometer(up_short_hemisp)
- Downwelling Shortwave Hemispheric Irradiance, Pyranometer, Standard Deviation(down_short_diffuse_hemisp_std)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer(up_long_hemisp)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer(down_long_hemisp_shaded)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Minima(short_direct_normal_min)
- base time(base_time)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Maxima(short_direct_normal_max)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Maxima(up_long_hemisp_max)
- Upwelling (10 meter) Shortwave Hemispheric Irradiance, Pyranometer, Minima(up_short_hemisp_min)
- Dummy altitude for Zeb(alt)
- Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Maxima(down_short_hemisp_max)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer(down_short_diffuse_hemisp)
- Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Standard
Deviation(down_short_hemisp_std) - Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Minima(up_long_hemisp_min)
- lat(lat)
- lon(lon)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Maxima(down_short_diffuse_hemisp_max) - Upwelling (10 meter) Shortwave Hemispheric Irradiance, Pyranometer, Standard
Deviation(up_short_hemisp_std)
sgpsirsE2.b1: - Battery Voltage(vBatt)
- lon(lon)
- Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Standard
Deviation(down_short_hemisp_std) - Down-welling unshaded pyranometer voltage(down_short_hemisp)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Maxima(short_direct_normal_max)
- Dummy altitude for Zeb(alt)
- Time offset of tweaks from base_time(time_offset)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Minima(down_long_hemisp_shaded_min)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Maxima(up_long_hemisp_max)
- Upwelling (10 meter) Shortwave Hemispheric Irradiance, Pyranometer, Maxima(up_short_hemisp_max)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer(down_short_diffuse_hemisp)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Maxima(down_short_diffuse_hemisp_max) - Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Maxima(down_long_hemisp_shaded_max)
- Shortwave Direct Normal Irradiance, Pyrgeometer(short_direct_normal)
- Downwelling Longwave Hemispheric Net Infrared(down_long_netir)
- Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Maxima(down_short_hemisp_max)
- Upwelling (10 meter) Shortwave Hemispheric Irradiance, Pyranometer, Standard
Deviation(up_short_hemisp_std) - Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Standard
Deviation(up_long_hemisp_std) - Instantaneous Dome Temperature(inst_up_long_dome_temp)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer(up_long_hemisp)
- Instantaneous Downwelling Pyrgeometer Case Thermistor Temperature, Shaded
Pyrgeometer(inst_down_long_shaded_case_temp) - Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Minima(up_long_hemisp_min)
- Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Minima(down_short_hemisp_min)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Minima(down_short_diffuse_hemisp_min) - base time(base_time)
- Upwelling Longwave Hemispheric Net Infrared(up_long_netir)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer(down_long_hemisp_shaded)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Standard
Deviation(down_long_hemisp_shaded_std) - Upwelling (10 meter) Shortwave Hemispheric Irradiance, Pyranometer(up_short_hemisp)
- Upwelling (10 meter) Shortwave Hemispheric Irradiance, Pyranometer, Minima(up_short_hemisp_min)
- Instantaneous Downwelling Pyrgeometer Dome Thermistor Temperature, Shaded
Pyrgeometer(inst_down_long_shaded_dome_temp) - Instantaneous Case Temperature(inst_up_long_case_temp)
- Downwelling Shortwave Hemispheric Irradiance, Pyranometer, Standard Deviation(down_short_diffuse_hemisp_std)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Minima(short_direct_normal_min)
- lat(lat)
sgpsirsE2.00: - null(Raw data stream - documentation not supported)
sgpsirs20sE2.a0: - base time(base_time)
- lon(lon)
- Instantaneous Direct Normal Shortwave Irradiance, Pyheliometer Thermopile
Voltage(inst_direct_normal) - Instantaneous Upwelling Pyrgeometer Case Thermistor Resistance, Pyrgeometer(inst_up_long_case_resist)
- Instantaneous Downwelling Hemispheric Shortwave, Unshaded Pyranometer Thermopile
Voltage(inst_global) - Instantaneous Downwelling Pyrgeometer Case Thermistor Resistance, Shaded
Pyrgeometer(inst_down_long_shaded_case_resist) - Time offset of tweaks from base_time(time_offset)
- Instantaneous Upwelling Shortwave Hemispheric Irradiance, Pyranometer(inst_up_short_hemisp)
- Instantaneous Downwelling Pyrgeometer Thermopile Voltage, Shaded Pyrgeometer(inst_down_long_hemisp_shaded_tp)
- Instantaneous Downwelling Pyrgeometer Dome Thermistor Resistance, Shaded
Pyrgeometer(inst_down_long_shaded_dome_resist) - Dummy altitude for Zeb(alt)
- Instantaneous Upwelling Pyrgeometer Dome Thermistor Resistance, Pyrgeometer(inst_up_long_dome_resist)
- Instantaneous Uncorrected Downwelling Shortwave Diffuse, Shaded Pyranometer
Thermopile Voltage(inst_diffuse) - Instantaneous Upwelling Pyrgeometer Thermopile(inst_up_long_hemisp_tp)
- lat(lat)
sgp1swfanalsirs1longE2.c1: - Measured Surface Albedo from Shortwave Irradiance Measurements (alb)(albedosw_measured)
- Difference: sswfluxdn_measured - sswfluxdn_clearskyfit (sswfcg)(sswfluxdn_cloudeffect)
- Difference: gswfluxdn_measured - gswfluxdn_clearskyfit (gswfcg)(gswfluxdn_cloudeffect)
- Ratio of Clear-sky Fit Estimated Downwelling Diffuse Shortwave Irradiance to
Clear-sky Fit Estimated Downwelling Global Shortwave Irradiance (cdifr)(difratiodn_clearskyfit) - lat(lat)
- Clear-sky Offset Coefficient c for Global minus Summed Shortwave Irradiance
Difference (SCORc)(coef_clearsky_dsw_c) - Clear-sky Fit Estimated Downwelling Summed Shortwave Irradiance
(dirfluxdn_clearskyfit+diffluxdn_clearskyfit) (cssw)(sswfluxdn_clearskyfit) - Clear-sky Fit Coefficient b to Summed Shortwave Irradiance (CSWb)(coef_clearsky_ssw_b)
- Measured Downwelling Global UVB Irradiance (guvb)(guvbdn_measured)
- Dummy altitude for Zeb(alt)
- Clear-sky Fit Estimated Downwelling Global Shortwave Irradiance (cgsw)(gswfluxdn_clearskyfit)
- Measured Downwelling Global Shortwave Irradiance (gsw)(gswfluxdn_measured)
- Clear-sky Fit Coefficient b to Global UVB Irradiance (UVBb)(coef_clearsky_guvb_b)
- Arithmetic Average Distance from the Earth to the Sun (au)(sun_earth_distance)
- Clear-sky Fit Coefficient a to Global UVB Irradiance (UVBa)(coef_clearsky_guvb_a)
- Time Offset from base_time_LST(time_offset_LST)
- Clear-sky Fit Coefficient a to Summed Shortwave Irradiance (CSWa)(coef_clearsky_ssw_a)
- Time offset of tweaks from base_time(time_offset)
- Clear-sky Fit Coefficient a to Albedo (Alba)(coef_clearsky_albedo_a)
- Measured Downwelling Summed Shortwave Irradiance
(dirfluxdn_measured+diffluxdn_measured) (ssw)(sswfluxdn_measured) - Clear-sky Fit Coefficient b to Global Shortwave Irradiance (CSWb)(coef_clearsky_gsw_b)
- Clear-sky Fit Coefficient b to Diffuse Irradiance to Total Irradiance Ratio
(DFRb)(coef_clearsky_difratio_b) - Clear-sky Fit Coefficient a to Diffuse Irradiance to Total Irradiance Ratio
(DFRa)(coef_clearsky_difratio_a) - Clear-sky Fit Estimated Downwelling Diffuse Field Shortwave Irradiance (cdif)(difswfluxdn_clearskyfit)
- Arithmetic Average Cosine of the Solar Zenith Angle Z (CosZ)(solar_cos_z)
- Clear-sky Detection Flag (clrf)(flag_clearsky_detection)
- Clear-sky Fit Coefficient b to Albedo (Albb)(coef_clearsky_albedo_b)
- Beginning Time of File (LST)(base_time_LST)
- Clear-sky Fit Estimated Downwelling Direct Shortwave Irradiance (cdir)(dirfluxdn_clearskyfit)
- Clear-sky Fit Coefficient a to Global Shortwave Irradiance (CSWa)(coef_clearsky_gsw_a)
- Difference: difswfluxdn_measured - difswfluxdn_clearskyfit (diffcg)(difswfluxdn_cloudeffect)
- Clear-sky Fit Coefficient a to Global minus Summed Shortwave Irradiance
Difference (SCORa)(coef_clearsky_dsw_a) - Measured Downwelling Diffuse Shortwave Irradiance (dif)(difswfluxdn_measured)
- Clear-sky Fit Estimated Downwelling Global UVB Irradiance (cguvb)(guvbdn_clearskyfit)
- Clear-sky Fit Coefficient b to Global minus Summed Shortwave Irradiance
Difference (SCORb)(coef_clearsky_dsw_b) - Ratio of Measured Downwelling Diffuse Shortwave Irradiance to Measured
Downwelling Global Shortwave Irradiance (difr)(difratiodn_measured) - Site Identification(site)
- lon(lon)
- Date (YYMMDD LST) for which the Coefficients are Applicable(coef_date)
- Measured Downwelling Direct Shortwave Irradiance (dir)(dirfluxdn_measured)
- base time(base_time)
- Daily Averaged Distance from the Earth to the Sun (auavg)(sun_earth_distance_dailyaverage)
- Clear-sky Fit Estimated Surface Albedo from Shortwave Irradiance Measurements
(calb)(albedosw_clearskyfit)
sgpsirsE2.a2: - Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Maxima(down_long_hemisp_shaded_max)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Maxima(short_direct_normal_max)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Minima(down_long_hemisp_shaded_min)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer(down_short_diffuse_hemisp)
- Upwelling (10 meter) Shortwave Hemispheric Irradiance, Pyranometer, Minima(up_short_hemisp_min)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer, Standard
Deviation(down_long_hemisp_shaded_std) - lat(lat)
- Time offset of tweaks from base_time(time_offset)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Maxima(up_long_hemisp_max)
- Instantaneous Case Temperature(inst_up_long_case_temp)
- Downwelling Longwave Hemispheric Net Infrared(down_long_netir)
- Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Standard
Deviation(down_short_hemisp_std) - Instantaneous Downwelling Pyrgeometer Dome Thermistor Temperature, Shaded
Pyrgeometer(inst_down_long_shaded_dome_temp) - Upwelling (10 meter) Shortwave Hemispheric Irradiance, Pyranometer(up_short_hemisp)
- Upwelling (10 meter) Shortwave Hemispheric Irradiance, Pyranometer, Maxima(up_short_hemisp_max)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Maxima(down_short_diffuse_hemisp_max) - Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Minima(up_long_hemisp_min)
- Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer, Standard
Deviation(up_long_hemisp_std) - Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Minima(down_short_hemisp_min)
- Instantaneous Downwelling Pyrgeometer Case Thermistor Temperature, Shaded
Pyrgeometer(inst_down_long_shaded_case_temp) - Upwelling (10 meter) Longwave Hemispheric Irradiance, Pyrgeometer(up_long_hemisp)
- base time(base_time)
- Downwelling Shortwave Hemispheric Irradiance, Ventilated Pyranometer, Maxima(down_short_hemisp_max)
- Instantaneous Dome Temperature(inst_up_long_dome_temp)
- Battery Voltage(vBatt)
- Downwelling Shortwave Diffuse Hemispheric Irradiance, Ventilated Pyranometer,
Minima(down_short_diffuse_hemisp_min) - Downwelling Shortwave Hemispheric Irradiance, Pyranometer, Standard Deviation(down_short_diffuse_hemisp_std)
- Upwelling (10 meter) Shortwave Hemispheric Irradiance, Pyranometer, Standard
Deviation(up_short_hemisp_std) - Shortwave Direct Normal Irradiance, Pyrgeometer, Minima(short_direct_normal_min)
- Shortwave Direct Normal Irradiance, Pyrgeometer, Standard Deviation(short_direct_normal_std)
- Dummy altitude for Zeb(alt)
- lon(lon)
- Downwelling Longwave Hemispheric Irradiance, Shaded Pyrgeometer(down_long_hemisp_shaded)
- Down-welling unshaded pyranometer voltage(down_short_hemisp)
- Upwelling Longwave Hemispheric Net Infrared(up_long_netir)
- Shortwave Direct Normal Irradiance, Pyrgeometer(short_direct_normal)
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