#------------------------------------------------- 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: 2024-10-01 13:00 to 2024-10-04 12:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 952: Upper Chena, 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 # 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 # B Back Estimate Regression-based estimate for homogenizing collocated Snow Course and Snow Pillow data sets # K Estimate Estimate # X External Estimate External estimate # S Suspect Suspect data # # 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 Chena (952) # Alaska SNOTEL Site - 2850 ft # Reporting Frequency: Hourly; Date Range: 2024-10-01 13:00 to 2024-10-04 12:00 # # As of: Oct 4, 2024, 12:58:39 PM GMT-08:00 # Date,Air Temperature Observed (degF),Precipitation Accumulation (in),Snow Water Equivalent (in),Snow Depth (in),Solar Radiation Average (watt/m2) 2024-10-01 13:00,40.0,,,,296.30 2024-10-01 14:00,42.0,,,0,62.65 2024-10-01 15:00,38.0,,,0,23.53 2024-10-01 16:00,36.0,,,0, 2024-10-01 18:00,,,,,0.54 2024-10-01 19:00,29.0,,,0,0.00 2024-10-01 20:00,28.0,,,0,0.00 2024-10-01 21:00,25.0,,,0,0.00 2024-10-01 22:00,23.0,,,0,0.00 2024-10-01 23:00,23.0,,,0,0.00 2024-10-02 00:00,22.0,,,0,0.00 2024-10-02 01:00,21.0,,,0,0.00 2024-10-02 02:00,21.0,,,0,0.00 2024-10-02 03:00,21.0,,,0,0.00 2024-10-02 04:00,20.0,,,0,0.00 2024-10-02 05:00,20.0,,,0,0.00 2024-10-02 06:00,20.0,,,0,0.66 2024-10-02 07:00,22.0,,,0,10.06 2024-10-02 08:00,22.0,,,0,78.38 2024-10-02 09:00,28.0,,,,112.10 2024-10-02 10:00,37.0,,,0,150.40 2024-10-02 11:00,39.0,,,,213.60 2024-10-02 12:00,42.0,,,,270.70 2024-10-02 13:00,42.0,,,0,230.70 2024-10-02 14:00,41.0,,,0,155.00 2024-10-02 15:00,39.0,,,0,74.85 2024-10-02 16:00,38.0,,,0,29.15 2024-10-02 17:00,35.0,,,0,5.35 2024-10-02 18:00,34.0,,,0,0.40 2024-10-02 19:00,28.0,,,0,0.00 2024-10-02 20:00,27.0,,,0,0.00 2024-10-02 21:00,25.0,,,0,0.00 2024-10-02 22:00,26.0,,,0,0.01 2024-10-02 23:00,25.0,,,0,0.03 2024-10-03 00:00,27.0,,,0,0.01 2024-10-03 01:00,26.0,,,0,0.00 2024-10-03 02:00,24.0,,,0,0.01 2024-10-03 03:00,24.0,,,0,0.00 2024-10-03 04:00,21.0,,,0,0.00 2024-10-03 05:00,20.0,,,0,0.00 2024-10-03 06:00,19.0,,,0,0.54 2024-10-03 07:00,19.0,,,0,9.23 2024-10-03 08:00,20.0,,,0,71.57 2024-10-03 09:00,25.0,,,,114.40 2024-10-03 10:00,34.0,,,0,200.90 2024-10-03 11:00,39.0,,,,278.40 2024-10-03 12:00,40.0,,,,304.20 2024-10-03 13:00,42.0,,,0,280.30 2024-10-03 14:00,39.0,,,,37.25 2024-10-03 15:00,37.0,,,0,23.95 2024-10-03 16:00,37.0,,,0,18.35 2024-10-03 17:00,31.0,,,0,8.45 2024-10-03 18:00,28.0,,,0,0.30 2024-10-03 19:00,27.0,,,0,0.00 2024-10-03 20:00,25.0,,,0,0.00 2024-10-03 21:00,26.0,,,0,0.00 2024-10-03 22:00,25.0,,,0,0.00 2024-10-03 23:00,27.0,,,0,0.01 2024-10-04 00:00,24.0,,,0,0.00 2024-10-04 01:00,24.0,,,0,0.00 2024-10-04 02:00,24.0,,,0,0.00 2024-10-04 03:00,25.0,,,0,0.00 2024-10-04 04:00,26.0,,,0,0.00 2024-10-04 05:00,24.0,,,0,0.00 2024-10-04 06:00,25.0,,,0,0.87 2024-10-04 07:00,24.0,,,0,11.31 2024-10-04 08:00,26.0,,,0,62.41 2024-10-04 09:00,31.0,,,0,107.90 2024-10-04 10:00,40.0,,,0,153.00 2024-10-04 11:00,43.0,,,0,