#------------------------------------------------- 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: 2024-05-02 08:00 to 2024-05-04 07:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 924: West Yellowstone, MT # # Data items provided in this file: # # Element Name Value Type Function Type Function Duration Base Data Measurement Units Sensor Depth Element Code Description # 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 # Precipitation Accumulation Value None Instantaneous N/A Inches N/A PREC Water year accumulated precipitation # Air Temperature Observed Value None Instantaneous N/A Degrees fahrenheit N/A TOBS Instantaneously observed air temperature # # 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 # #------------------------------------------------------------------------------------------------------ # # West Yellowstone (924) # Montana SNOTEL Site - 6700 ft # Reporting Frequency: Hourly; Date Range: 2024-05-02 08:00 to 2024-05-04 07:00 # # As of: May 4, 2024, 7:54:09 AM GMT-08:00 # Date,Snow Water Equivalent (in),Snow Depth (in),Precipitation Accumulation (in),Air Temperature Observed (degF) 2024-05-02 08:00,,,14.8,36.1 2024-05-02 09:00,,,14.8,39.9 2024-05-02 10:00,,,14.6,40.3 2024-05-02 11:00,,,14.5,44.2 2024-05-02 12:00,,,14.4,45.0 2024-05-02 13:00,,,14.2,46.4 2024-05-02 14:00,,,14.1,44.1 2024-05-02 15:00,,,14.2,42.1 2024-05-02 16:00,,,14.3,41.4 2024-05-02 17:00,,,14.5,41.7 2024-05-02 18:00,,0,14.6,37.0 2024-05-02 19:00,,0,14.7,32.9 2024-05-02 20:00,,,14.8,29.8 2024-05-02 21:00,,0,14.9,27.5 2024-05-02 22:00,,0,14.9,27.7 2024-05-02 23:00,,0,14.9,27.5 2024-05-03 00:00,0.0,0,14.9,27.5 2024-05-03 01:00,,0,14.9,26.2 2024-05-03 02:00,,0,14.9,26.6 2024-05-03 03:00,,0,14.9,25.7 2024-05-03 04:00,,0,15.0,25.3 2024-05-03 05:00,,0,15.0,28.2 2024-05-03 06:00,,0,15.0,32.5 2024-05-03 07:00,,,14.9,34.7 2024-05-03 08:00,,0,14.8,38.3 2024-05-03 09:00,,,14.7,41.7 2024-05-03 10:00,,,14.6,38.8 2024-05-03 11:00,,0,14.6,39.2 2024-05-03 12:00,,,14.5,41.0 2024-05-03 13:00,,,14.5,41.5 2024-05-03 14:00,,,14.5,41.5 2024-05-03 15:00,,0,14.5,42.1 2024-05-03 16:00,,0,14.5,42.3 2024-05-03 17:00,,,14.6,42.6 2024-05-03 18:00,,0,14.7,36.9 2024-05-03 19:00,,0,14.8,29.5 2024-05-03 20:00,,0,14.8,27.3 2024-05-03 21:00,,0,14.9,26.1 2024-05-03 22:00,,0,14.9,25.5 2024-05-03 23:00,,0,14.9,24.6 2024-05-04 00:00,,0,14.9,23.2 2024-05-04 01:00,,0,15.0,21.7 2024-05-04 02:00,,0,15.0,20.8 2024-05-04 03:00,,0,15.0,19.6 2024-05-04 04:00,,0,15.0,19.0 2024-05-04 05:00,,0,15.0,20.3 2024-05-04 06:00,,0,15.0,30.6 2024-05-04 07:00,,,14.9,37.9