#------------------------------------------------- WARNING -------------------------------------------- # # The data you have obtained from this automated Natural Resources Conservation Service # database are subject to revision regardless of indicated Quality Assurance level. # Data are released on condition that neither the NRCS nor the United States Government # may be held liable for any damages resulting from its use. # # SNOTEL air temperature data contains a known bias. This bias is rooted in the sensor # conversion equation and varies through the output range. Solutions are in development. # For more information go to Air Temperature Bias Correction. # # Help and Tutorials: https://www.nrcs.usda.gov/sites/default/files/2023-03/Report%20Generator%20Help%20Guide.pdf # Air Temperature Bias Correction: https://www.nrcs.usda.gov/wps/portal/wcc/home/snowClimateMonitoring/temperature/temperatureBiasCorrection/ # # Support Contact: usdafpacbc@servicenowservices.com # #------------------------------------------------------------------------------------------------------ # # Reporting Frequency: Hourly # Date Range: 2026-01-18 21:00 to 2026-01-21 20:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 1055: Upper Tsaina River, AK # # Data items provided in this file: # # Element Name Value Type Function Type Function Duration Base Data Measurement Units Sensor Depth Element Code Description # Air Temperature Observed Value None Instantaneous N/A Degrees fahrenheit N/A TOBS Instantaneously observed air temperature # Precipitation Accumulation Value None Instantaneous N/A Inches N/A PREC Water year accumulated precipitation # Snow Water Equivalent Value None Instantaneous N/A Inches N/A WTEQ Depth of water that would theoretically result if the entire snowpack were melted instantaneously # Snow Depth Value None Instantaneous N/A Inches N/A SNWD Total snow depth # Relative Humidity Value None Instantaneous N/A Percent N/A RHUM Relative humidity # Solar Radiation Average Value None Hour N/A Watts/meter squared N/A SRADV Average solar radiation # # Quality Control flags included: # # Flag Name Description # V Valid Validated Data # N No Profile No profile for automated validation # E Edit Edit, minor adjustment for sensor noise # K Estimate Estimate # C Correction A different equation has been applied to the original sensor voltage # B Back Estimate Regression-based estimate for homogenizing collocated Snow Course and Snow Pillow data sets # X External Estimate External estimate # S Suspect Suspect data # M Missing Value is missing # # Quality Assurance flags included: # # Flag Name Description # U Unknown Unknown # R Raw No Human Review # P Provisional Preliminary Human Review # A Approved Processing and Final Review Completed # #------------------------------------------------------------------------------------------------------ # # Upper Tsaina River (1055) # Alaska SNOTEL Site - 1730 ft # Reporting Frequency: Hourly; Date Range: 2026-01-18 21:00 to 2026-01-21 20:00 # # As of: Jan 21, 2026, 8:19:25 PM GMT-08:00 # Date,Air Temperature Observed (degF),Precipitation Accumulation (in),Snow Water Equivalent (in),Snow Depth (in),Relative Humidity (pct),Solar Radiation Average (watt/m2) 2026-01-18 21:00,8.0,16.80,9.8,42,90.00,0.07 2026-01-18 22:00,6.0,16.80,9.8,42,86.00,0.04 2026-01-18 23:00,5.0,16.80,9.7,42,84.00,0.05 2026-01-19 00:00,4.0,16.80,10.2,42,84.00,0.08 2026-01-19 01:00,4.0,16.80,9.7,41,82.00,0.05 2026-01-19 02:00,5.0,16.80,9.7,42,87.00,0.09 2026-01-19 03:00,5.0,16.80,9.7,42,88.00,0.10 2026-01-19 04:00,5.0,16.80,9.7,42,89.00,0.08 2026-01-19 05:00,3.0,16.80,9.7,42,86.00,0.04 2026-01-19 06:00,3.0,16.80,9.7,42,87.00,0.04 2026-01-19 07:00,1.0,16.80,9.7,42,83.00,0.06 2026-01-19 08:00,2.0,16.80,9.7,42,84.00,0.08 2026-01-19 09:00,4.0,16.80,9.7,42,85.00,1.74 2026-01-19 10:00,0.0,16.80,9.7,42,83.00,7.04 2026-01-19 11:00,4.0,16.80,9.7,42,88.00,11.64 2026-01-19 12:00,4.0,16.80,9.6,42,87.00,14.54 2026-01-19 13:00,5.0,16.80,9.6,42,87.00,15.93 2026-01-19 14:00,6.0,16.80,9.6,42,88.00,14.76 2026-01-19 15:00,8.0,16.80,9.6,41,89.00,8.73 2026-01-19 16:00,4.0,16.80,9.6,42,87.00,1.32 2026-01-19 17:00,4.0,16.80,9.6,42,83.00,0.08 2026-01-19 18:00,5.0,16.80,9.6,42,86.00,0.12 2026-01-19 19:00,3.0,16.80,9.6,41,83.00,0.10 2026-01-19 20:00,3.0,16.80,9.6,42,85.00,0.12 2026-01-19 21:00,3.0,16.80,9.6,42,85.00,0.08 2026-01-19 22:00,3.0,16.80,9.6,42,85.00,0.16 2026-01-19 23:00,4.0,16.80,9.6,42,85.00,0.20 2026-01-20 00:00,6.0,16.80,10.2,42,87.00,0.20 2026-01-20 01:00,7.0,16.90,9.6,42,87.00,0.22 2026-01-20 02:00,7.0,16.90,9.6,42,88.00,0.20 2026-01-20 03:00,8.0,16.90,9.6,42,87.00,0.07 2026-01-20 04:00,5.0,16.80,9.6,42,86.00,0.13 2026-01-20 05:00,5.0,16.80,9.6,42,86.00,0.13 2026-01-20 06:00,7.0,16.80,9.6,42,88.00,0.23 2026-01-20 07:00,8.0,16.80,9.6,42,88.00,0.26 2026-01-20 08:00,9.0,16.90,9.6,42,88.00,0.23 2026-01-20 09:00,9.0,16.90,9.6,42,88.00,1.75 2026-01-20 10:00,9.0,16.90,9.6,42,88.00,6.34 2026-01-20 11:00,8.0,16.90,9.6,42,88.00,11.77 2026-01-20 12:00,7.0,16.90,9.7,41,88.00,12.83 2026-01-20 13:00,7.0,16.90,9.6,42,88.00,15.60 2026-01-20 14:00,6.0,16.90,9.7,41,86.00,18.52 2026-01-20 15:00,7.0,16.90,9.6,42,87.00,11.85 2026-01-20 16:00,6.0,16.90,9.7,42,87.00,1.29 2026-01-20 17:00,5.0,16.90,9.7,41,85.00,0.07 2026-01-20 18:00,4.0,16.80,9.6,42,86.00,0.14 2026-01-20 19:00,5.0,16.90,9.6,42,86.00,0.08 2026-01-20 20:00,5.0,16.90,9.6,41,86.00,0.09 2026-01-20 21:00,4.0,16.80,9.6,42,86.00,0.13 2026-01-20 22:00,5.0,16.80,9.6,42,87.00,0.14 2026-01-20 23:00,5.0,16.80,9.6,42,87.00,0.19 2026-01-21 00:00,6.0,16.80,9.6,42,86.00,0.25 2026-01-21 01:00,8.0,16.90,9.6,42,88.00,0.26 2026-01-21 02:00,10.0,16.90,9.6,42,88.00,0.14 2026-01-21 03:00,8.0,16.90,9.6,42,87.00,0.06 2026-01-21 04:00,7.0,16.90,9.7,42,88.00,0.05 2026-01-21 05:00,5.0,16.90,9.6,42,86.00,0.04 2026-01-21 06:00,4.0,16.80,9.7,41,86.00,0.05 2026-01-21 07:00,2.0,16.80,9.7,41,84.00,0.07 2026-01-21 08:00,1.0,16.80,9.6,41,84.00,0.11 2026-01-21 09:00,1.0,16.80,9.6,41,84.00,2.64 2026-01-21 10:00,2.0,16.80,9.6,41,85.00,8.91 2026-01-21 11:00,3.0,16.80,9.6,41,85.00,12.80 2026-01-21 12:00,3.0,16.80,9.6,41,84.00,18.21 2026-01-21 13:00,4.0,16.80,9.6,41,85.00,21.31 2026-01-21 14:00,6.0,16.90,9.6,41,87.00,27.62 2026-01-21 15:00,10.0,16.90,9.6,42,88.00,15.61 2026-01-21 16:00,9.0,16.90,9.7,41,88.00,3.67 2026-01-21 17:00,8.0,16.90,9.7,41,88.00,0.17 2026-01-21 18:00,8.0,16.90,9.7,42,88.00,0.09 2026-01-21 19:00,6.0,16.90,9.7,41,86.00,