#------------------------------------------------- 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: 2025-07-06 22:00 to 2025-07-09 21:00 # # 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: 2025-07-06 22:00 to 2025-07-09 21:00 # # As of: Jul 9, 2025, 9:30:12 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) 2025-07-06 22:00,50.0,29.40,0.0,1,81.00,0.60 2025-07-06 23:00,51.0,29.40,0.0,1,66.00,0.04 2025-07-07 00:00,50.0,29.40,0.0,1,68.00,0.02 2025-07-07 01:00,49.0,29.40,0.0,1,76.00,0.01 2025-07-07 02:00,48.0,29.40,0.0,1,79.00,0.16 2025-07-07 03:00,46.0,29.40,0.0,1,88.00,3.28 2025-07-07 04:00,45.0,29.40,0.0,1,88.00,19.29 2025-07-07 05:00,46.0,29.40,0.0,1,88.00,56.39 2025-07-07 06:00,48.0,29.40,0.0,1,81.00,97.70 2025-07-07 07:00,51.0,29.40,0.0,1,77.00,156.50 2025-07-07 08:00,51.0,29.40,0.0,1,74.00,214.20 2025-07-07 09:00,52.0,29.40,0.0,1,75.00,218.50 2025-07-07 10:00,50.0,29.40,0.0,1,82.00,234.70 2025-07-07 11:00,51.0,29.30,0.0,1,77.00,275.20 2025-07-07 12:00,52.0,29.30,0.0,1,79.00,262.70 2025-07-07 13:00,51.0,29.40,0.0,1,87.00,256.00 2025-07-07 14:00,51.0,29.30,0.0,1,79.00,315.80 2025-07-07 15:00,51.0,29.30,0.0,1,76.00,277.50 2025-07-07 16:00,52.0,29.30,0.0,1,75.00,210.60 2025-07-07 17:00,51.0,29.40,0.0,1,74.00,173.90 2025-07-07 18:00,50.0,29.40,0.0,1,81.00,93.40 2025-07-07 19:00,49.0,29.40,0.0,1,81.00,69.97 2025-07-07 20:00,48.0,29.40,0.0,1,81.00,30.24 2025-07-07 21:00,47.0,29.40,0.0,1,85.00,10.09 2025-07-07 22:00,46.0,29.40,0.0,1,87.00,0.58 2025-07-07 23:00,46.0,29.40,0.1,1,86.00,0.09 2025-07-08 00:00,46.0,29.40,0.0,1,87.00,0.09 2025-07-08 01:00,45.0,29.40,0.0,1,88.00,0.08 2025-07-08 02:00,45.0,29.40,0.0,1,90.00,0.23 2025-07-08 03:00,44.0,29.40,0.0,1,93.00,3.24 2025-07-08 04:00,42.0,29.40,0.0,1,96.00,17.43 2025-07-08 05:00,42.0,29.40,0.0,1,96.00,42.32 2025-07-08 06:00,43.0,29.40,0.0,1,96.00,73.72 2025-07-08 07:00,46.0,29.40,0.0,1,89.00,117.60 2025-07-08 08:00,47.0,29.40,0.0,1,82.00,187.70 2025-07-08 09:00,51.0,29.40,0.0,1,78.00,283.00 2025-07-08 10:00,55.0,29.40,0.0,1,62.00,633.20 2025-07-08 11:00,57.0,29.30,0.0,1,54.00,424.00 2025-07-08 12:00,58.0,29.30,0.0,1,60.00,360.70 2025-07-08 13:00,58.0,29.30,0.0,1,61.00,486.20 2025-07-08 14:00,60.0,29.30,0.0,1,63.00,489.30 2025-07-08 15:00,59.0,29.30,0.0,1,59.00,343.70 2025-07-08 16:00,56.0,29.30,0.0,1,59.00,191.90 2025-07-08 17:00,55.0,29.30,0.0,1,63.00,131.70 2025-07-08 18:00,55.0,29.30,0.0,1,67.00,117.80 2025-07-08 19:00,54.0,29.30,0.0,1,67.00,61.60 2025-07-08 20:00,53.0,29.40,0.0,1,71.00,24.03 2025-07-08 21:00,52.0,29.40,0.0,1,76.00,7.56 2025-07-08 22:00,51.0,29.40,0.0,1,78.00,0.82 2025-07-08 23:00,51.0,29.40,0.0,1,76.00,0.10 2025-07-09 00:00,49.0,29.40,0.0,1,85.00,0.09 2025-07-09 01:00,49.0,29.40,0.0,1,85.00,0.09 2025-07-09 02:00,49.0,29.40,0.0,1,87.00,0.13 2025-07-09 03:00,49.0,29.40,0.0,1,87.00,1.60 2025-07-09 04:00,49.0,29.40,0.0,1,87.00,12.85 2025-07-09 05:00,49.0,29.40,0.0,1,82.00,41.52 2025-07-09 06:00,50.0,29.40,0.0,1,77.00,61.68 2025-07-09 07:00,50.0,29.40,0.0,1,79.00,74.88 2025-07-09 08:00,50.0,29.40,0.0,1,77.00,113.70 2025-07-09 09:00,51.0,29.40,0.0,1,70.00,175.20 2025-07-09 10:00,53.0,29.40,0.0,1,70.00,390.60 2025-07-09 11:00,53.0,29.30,0.0,1,71.00,211.20 2025-07-09 12:00,52.0,29.30,0.0,1,71.00,178.10 2025-07-09 13:00,53.0,29.30,0.0,1,67.00,209.10 2025-07-09 14:00,53.0,29.30,0.0,1,66.00,259.70 2025-07-09 15:00,53.0,29.30,0.0,1,68.00,253.50 2025-07-09 16:00,54.0,29.30,0.0,1,68.00,197.20 2025-07-09 17:00,53.0,29.30,0.0,1,69.00,224.00 2025-07-09 18:00,55.0,29.30,0.0,1,66.00,125.50 2025-07-09 19:00,51.0,29.30,0.0,1,77.00,68.41 2025-07-09 20:00,51.0,29.40,0.1,1,74.00,