#------------------------------------------------- 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: Daily # Date Range: 2024-08-09 to 2024-09-07 # Report Instantaneous Data As: Start of Day # # Data for the following site(s) are contained in this file: # # SNOTEL 482: Flattop Mtn., 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 - Start of Day N/A Inches N/A WTEQ Depth of water that would theoretically result if the entire snowpack were melted instantaneously # Snow Water Equivalent Median (1991-2020) None Instantaneous - Start of Day N/A Inches N/A WTEQ Depth of water that would theoretically result if the entire snowpack were melted instantaneously # Snow Water Equivalent % of median (1991-2020) None Instantaneous - Start of Day 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 - Start of Day N/A Inches N/A SNWD Total snow depth # Precipitation Accumulation Value None Instantaneous - Start of Day N/A Inches N/A PREC Water year accumulated precipitation # Precipitation Accumulation Median (1991-2020) None Instantaneous - Start of Day N/A Inches N/A PREC Water year accumulated precipitation # Precipitation Accumulation % of median (1991-2020) None Instantaneous - Start of Day N/A Inches N/A PREC Water year accumulated precipitation # Air Temperature Maximum Value None Day N/A Degrees fahrenheit N/A TMAX Maximum air temperature - sub-hourly sampling frequency # Air Temperature Minimum Value None Day N/A Degrees fahrenheit N/A TMIN Minimum air temperature - sub-hourly sampling frequency # Air Temperature Average Value None Day N/A Degrees fahrenheit N/A TAVG Average air temperature - sub-hourly sampling frequency # # 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 # #------------------------------------------------------------------------------------------------------ # # Flattop Mtn. (482) # Montana SNOTEL Site - 6300 ft # Reporting Frequency: Daily; Date Range: 2024-08-09 to 2024-09-07 # # As of: Sep 7, 2024, 7:30:29 PM GMT-08:00 # Date,Snow Water Equivalent (in) Start of Day Values,Median Snow Water Equivalent (1991-2020) (in) Start of Day Values,Snow Water Equivalent % of Median (1991-2020),Snow Depth (in) Start of Day Values,Precipitation Accumulation (in) Start of Day Values,Median Precipitation Accumulation (1991-2020) (in) Start of Day Values,Precipitation Accumulation % of Median (1991-2020),Air Temperature Maximum (degF),Air Temperature Minimum (degF),Air Temperature Average (degF) 2024-08-09,0.0,0.0,,0,59.0,69.8,85,65.3,40.8,51.6 2024-08-10,0.0,0.0,,0,59.0,69.9,84,66.6,42.4,53.2 2024-08-11,0.0,0.0,,0,59.0,70.3,84,66.0,43.0,53.4 2024-08-12,0.0,0.0,,0,59.1,70.3,84,69.1,44.8,55.0 2024-08-13,0.0,0.0,,0,59.1,70.4,84,68.7,44.6,55.4 2024-08-14,0.0,0.0,,0,59.1,70.5,84,68.4,44.4,55.2 2024-08-15,0.0,0.0,,0,59.1,70.5,84,72.0,46.9,56.3 2024-08-16,0.0,0.0,,0,59.5,70.5,84,60.3,42.1,50.4 2024-08-17,0.0,0.0,,0,59.6,70.5,85,67.5,41.0,52.3 2024-08-18,0.0,0.0,,0,59.7,70.5,85,74.8,46.0,60.1 2024-08-19,0.0,0.0,,0,59.7,70.6,85,76.1,48.2,59.2 2024-08-20,0.0,0.0,,0,59.7,70.6,85,67.1,45.0,55.9 2024-08-21,0.0,0.0,,0,59.7,70.6,85,56.8,39.4,47.1 2024-08-22,0.0,0.0,,0,59.9,70.6,85,68.7,38.1,51.6 2024-08-23,0.0,0.0,,0,59.9,70.6,85,72.7,46.0,55.4 2024-08-24,0.0,0.0,,0,60.0,70.6,85,54.0,42.1,47.8 2024-08-25,0.0,0.0,,0,60.0,70.6,85,56.3,37.4,45.9 2024-08-26,0.0,0.0,,0,60.0,70.8,85,61.2,36.0,47.5 2024-08-27,0.0,0.0,,0,60.0,70.8,85,61.9,40.6,49.6 2024-08-28,0.0,0.0,,0,60.2,70.8,85,36.0,34.7,35.1 2024-08-29,0.8,0.0,,2,61.0,70.8,86,57.7,35.2,43.2 2024-08-30,0.1,0.0,,1,61.0,70.8,86,66.7,38.1,51.3 2024-08-31,0.0,0.0,,0,61.0,70.8,86,72.7,43.7,55.0 2024-09-01,0.0,0.0,,0,61.0,70.9,86,75.6,45.9,57.9 2024-09-02,0.0,0.0,,0,61.0,71.0,86,76.6,47.3,59.0 2024-09-03,0.0,0.0,,0,61.0,71.2,86,69.4,46.6,56.1 2024-09-04,0.0,0.0,,0,61.0,71.2,86,69.4,43.9,52.7 2024-09-05,0.0,0.0,,0,61.0,71.2,86,73.4,43.9,55.0 2024-09-06,0.0,0.0,,0,61.0,71.4,85,75.2,45.5,57.2 2024-09-07,0.0,0.0,,,61.0,71.4,85,,,