#------------------------------------------------- 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: 2025-07-03 14:00 to 2025-07-06 13:00 # # 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: 2025-07-03 14:00 to 2025-07-06 13:00 # # As of: Jul 6, 2025, 1:00:04 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) 2025-07-03 14:00,61.0,29.20,0.0,1,49.00,754.30 2025-07-03 15:00,61.0,29.20,0.0,1,52.00,674.50 2025-07-03 16:00,59.0,29.20,0.0,1,56.00,408.00 2025-07-03 17:00,58.0,29.20,0.0,1,58.00,429.10 2025-07-03 18:00,57.0,29.20,0.0,1,60.00,189.20 2025-07-03 19:00,56.0,29.30,0.1,1,63.00,117.60 2025-07-03 20:00,54.0,29.30,0.1,1,69.00,48.98 2025-07-03 21:00,52.0,29.30,0.0,1,75.00,15.81 2025-07-03 22:00,49.0,29.40,0.0,1,83.00,1.77 2025-07-03 23:00,48.0,29.40,0.0,1,84.00,0.01 2025-07-04 00:00,48.0,29.40,0.0,1,83.00,0.00 2025-07-04 01:00,49.0,29.40,0.0,1,85.00,0.07 2025-07-04 02:00,49.0,29.40,0.0,1,86.00,0.34 2025-07-04 03:00,48.0,29.40,0.0,1,85.00,3.76 2025-07-04 04:00,48.0,29.40,0.0,1,86.00,13.52 2025-07-04 05:00,49.0,29.40,0.0,1,85.00,45.30 2025-07-04 06:00,49.0,29.40,0.0,1,81.00,80.60 2025-07-04 07:00,50.0,29.40,0.0,1,77.00,125.20 2025-07-04 08:00,51.0,29.40,0.0,1,77.00,192.70 2025-07-04 09:00,52.0,29.40,0.0,1,73.00,369.40 2025-07-04 10:00,55.0,29.30,0.0,1,70.00,736.60 2025-07-04 11:00,57.0,29.20,0.0,1,67.00,726.30 2025-07-04 12:00,56.0,29.20,0.0,1,67.00,760.70 2025-07-04 13:00,58.0,29.20,0.0,2,64.00,665.40 2025-07-04 14:00,58.0,29.20,0.0,1,62.00,676.70 2025-07-04 15:00,58.0,29.20,0.0,2,62.00,642.40 2025-07-04 16:00,59.0,29.20,0.0,1,64.00,380.20 2025-07-04 17:00,58.0,29.20,0.0,1,65.00,393.40 2025-07-04 18:00,57.0,29.20,0.0,1,68.00,174.00 2025-07-04 19:00,56.0,29.30,0.0,1,69.00,108.60 2025-07-04 20:00,54.0,29.30,0.0,1,73.00,47.84 2025-07-04 21:00,51.0,29.40,0.0,1,81.00,9.36 2025-07-04 22:00,50.0,29.40,0.0,1,84.00,1.40 2025-07-04 23:00,49.0,29.40,0.0,1,83.00,0.01 2025-07-05 00:00,49.0,29.40,0.0,1,85.00,0.01 2025-07-05 01:00,48.0,29.40,0.0,1,86.00,0.01 2025-07-05 02:00,48.0,29.40,0.0,1,88.00,0.06 2025-07-05 03:00,47.0,29.40,0.0,1,88.00,3.40 2025-07-05 04:00,47.0,29.40,0.0,1,90.00,20.24 2025-07-05 05:00,47.0,29.40,0.0,1,90.00,39.40 2025-07-05 06:00,48.0,29.40,0.0,1,88.00,81.50 2025-07-05 07:00,49.0,29.40,0.0,1,84.00,138.30 2025-07-05 08:00,51.0,29.40,0.0,1,83.00,455.90 2025-07-05 09:00,54.0,29.30,0.0,2,74.00,380.30 2025-07-05 10:00,55.0,29.30,0.0,2,70.00,368.80 2025-07-05 11:00,55.0,29.30,0.0,1,67.00,724.70 2025-07-05 12:00,59.0,29.20,0.0,1,61.00,609.80 2025-07-05 13:00,59.0,29.20,0.0,1,65.00,457.20 2025-07-05 14:00,58.0,29.20,0.0,1,62.00,617.90 2025-07-05 15:00,58.0,29.20,0.0,1,58.00,569.70 2025-07-05 16:00,56.0,29.20,0.0,1,60.00,297.40 2025-07-05 17:00,56.0,29.20,0.0,1,64.00,156.90 2025-07-05 18:00,54.0,29.30,0.0,1,70.00,67.29 2025-07-05 19:00,53.0,29.30,0.0,1,68.00,30.32 2025-07-05 20:00,52.0,29.30,0.0,1,72.00,14.40 2025-07-05 21:00,52.0,29.30,0.0,1,74.00,4.28 2025-07-05 22:00,49.0,29.30,0.0,1,85.00,0.46 2025-07-05 23:00,49.0,29.40,0.0,1,87.00,0.09 2025-07-06 00:00,49.0,29.40,0.0,1,86.00,0.08 2025-07-06 01:00,49.0,29.40,0.0,1,85.00,0.02 2025-07-06 02:00,47.0,29.40,0.0,1,89.00,0.20 2025-07-06 03:00,45.0,29.40,0.0,1,92.00,3.60 2025-07-06 04:00,45.0,29.40,0.0,1,89.00,23.66 2025-07-06 05:00,46.0,29.40,0.0,1,91.00,54.67 2025-07-06 06:00,48.0,29.40,0.0,1,86.00,96.90 2025-07-06 07:00,50.0,29.40,0.0,1,78.00,147.30 2025-07-06 08:00,52.0,29.40,0.0,1,75.00,195.90 2025-07-06 09:00,54.0,29.30,0.0,1,69.00,209.40 2025-07-06 10:00,56.0,29.30,0.0,1,61.00,227.60 2025-07-06 11:00,57.0,29.30,0.0,1,58.00,