#------------------------------------------------- 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: 2025-05-09 19:00 to 2025-05-12 18:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 590: Lone Mountain, 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 # 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 # #------------------------------------------------------------------------------------------------------ # # Lone Mountain (590) # Montana SNOTEL Site - 8810 ft # Reporting Frequency: Hourly; Date Range: 2025-05-09 19:00 to 2025-05-12 18:00 # # As of: May 12, 2025, 6:49:13 PM GMT-08:00 # Date,Snow Water Equivalent (in),Snow Depth (in),Precipitation Accumulation (in),Air Temperature Observed (degF) 2025-05-09 19:00,19.1,42,22.20,48.9 2025-05-09 20:00,19.0,42,22.20,49.3 2025-05-09 21:00,19.0,42,22.20,48.6 2025-05-09 22:00,19.0,41,22.20,49.1 2025-05-09 23:00,19.0,42,22.20,48.6 2025-05-10 00:00,18.9,42,22.20,48.9 2025-05-10 01:00,18.9,42,22.20,47.1 2025-05-10 02:00,18.9,41,22.20,47.1 2025-05-10 03:00,18.9,42,22.20,48.0 2025-05-10 04:00,18.9,42,22.20,48.2 2025-05-10 05:00,18.8,42,22.20,48.6 2025-05-10 06:00,18.8,42,22.20,47.5 2025-05-10 07:00,18.8,41,22.20,51.3 2025-05-10 08:00,18.8,41,22.20,53.1 2025-05-10 09:00,18.8,41,22.20,54.9 2025-05-10 10:00,18.8,41,22.20,56.8 2025-05-10 11:00,18.8,41,22.20,56.8 2025-05-10 12:00,18.7,41,22.10,59.2 2025-05-10 13:00,18.6,40,22.10,59.7 2025-05-10 14:00,18.4,40,22.20,59.9 2025-05-10 15:00,18.3,39,22.10,57.7 2025-05-10 16:00,18.2,39,22.10,58.6 2025-05-10 17:00,18.1,39,22.20,55.4 2025-05-10 18:00,18.0,39,22.20,54.3 2025-05-10 19:00,18.0,39,22.20,53.1 2025-05-10 20:00,17.9,39,22.20,51.6 2025-05-10 21:00,17.8,38,22.20,50.9 2025-05-10 22:00,17.8,38,22.10,50.9 2025-05-10 23:00,17.8,38,22.20,50.4 2025-05-11 00:00,17.7,38,22.10,47.8 2025-05-11 01:00,17.7,38,22.20,47.7 2025-05-11 02:00,17.6,38,22.20,45.7 2025-05-11 03:00,17.6,38,22.20,44.8 2025-05-11 04:00,17.5,38,22.20,44.8 2025-05-11 05:00,17.5,38,22.20,42.6 2025-05-11 06:00,17.5,38,22.20,42.1 2025-05-11 07:00,17.5,38,22.20,45.0 2025-05-11 08:00,17.5,38,22.20,39.2 2025-05-11 09:00,17.5,38,22.30,41.7 2025-05-11 10:00,17.5,38,22.30,45.1 2025-05-11 11:00,17.4,38,22.30,45.0 2025-05-11 12:00,17.4,38,22.30,49.3 2025-05-11 13:00,17.3,37,22.20,50.2 2025-05-11 14:00,17.2,37,22.20,51.4 2025-05-11 15:00,17.0,36,22.20,52.0 2025-05-11 16:00,17.0,36,22.20,50.0 2025-05-11 17:00,16.9,36,22.20,47.5 2025-05-11 18:00,16.8,36,22.20,45.3 2025-05-11 19:00,16.8,36,22.20,41.4 2025-05-11 20:00,16.7,36,22.20,41.0 2025-05-11 21:00,16.7,36,22.20,39.9 2025-05-11 22:00,16.7,36,22.20,39.7 2025-05-11 23:00,16.6,36,22.20,39.7 2025-05-12 00:00,16.6,36,22.20,36.3 2025-05-12 01:00,16.6,36,22.20,42.6 2025-05-12 02:00,16.6,36,22.20,40.3 2025-05-12 03:00,16.6,36,22.30,37.4 2025-05-12 04:00,16.6,36,22.30,38.3 2025-05-12 05:00,16.5,36,22.30,44.6 2025-05-12 06:00,16.5,36,22.20,45.0 2025-05-12 07:00,16.5,36,22.30,45.7 2025-05-12 08:00,16.5,36,22.30,46.8 2025-05-12 09:00,16.5,36,22.30,48.2 2025-05-12 10:00,16.5,36,22.20,49.6 2025-05-12 11:00,16.5,36,22.20,51.8 2025-05-12 12:00,16.4,35,22.20,50.7 2025-05-12 13:00,16.3,35,22.10,52.2 2025-05-12 14:00,16.2,35,22.20,51.8 2025-05-12 15:00,16.1,35,22.20,52.5 2025-05-12 16:00,16.0,35,22.20,50.7 2025-05-12 17:00,16.0,35,22.20,48.4 2025-05-12 18:00,15.9,34,22.20,41.2