#------------------------------------------------- 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: 2025-05-19 10:00 to 2025-05-20 09:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 1091: Independence Mine, AK # # 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 # Wind Speed Maximum Value None Hour N/A Miles/hour N/A WSPDX Maximum wind speed # Wind Speed Average Value None Hour N/A Miles/hour N/A WSPDV Average wind speed # Wind Direction Average Value None Hour N/A Degrees N/A WDIRV Average wind direction # # 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 # #------------------------------------------------------------------------------------------------------ # # Independence Mine (1091) # Alaska SNOTEL Site - 3450 ft # Reporting Frequency: Hourly; Date Range: 2025-05-19 10:00 to 2025-05-20 09:00 # # As of: May 20, 2025, 9:04:35 AM GMT-08:00 # Date,Snow Water Equivalent (in),Snow Depth (in),Precipitation Accumulation (in),Air Temperature Observed (degF),Wind Speed Maximum (mph),Wind Speed Average (mph),Wind Direction Average (degree) 2025-05-19 10:00,22.5,44,20.30,36.0,3.2,1.1,344 2025-05-19 11:00,22.4,44,20.30,34.0,2.9,1.6,330 2025-05-19 12:00,22.4,43,20.30,38.0,3.6,1.6,356 2025-05-19 13:00,22.4,44,20.30,35.0,3.0,1.0,339 2025-05-19 14:00,22.4,42,20.30,40.0,4.1,1.5,343 2025-05-19 15:00,22.4,43,20.30,36.0,5.1,1.6,290 2025-05-19 16:00,22.3,43,20.30,38.0,4.0,0.5,126 2025-05-19 17:00,22.2,43,20.30,39.0,6.0,1.8,246 2025-05-19 18:00,22.2,43,20.30,37.0,5.0,1.2,260 2025-05-19 19:00,22.2,43,20.30,38.0,2.4,0.4,165 2025-05-19 20:00,22.1,43,20.30,37.0,3.7,1.3,337 2025-05-19 21:00,22.1,44,20.30,36.0,3.4,1.7,316 2025-05-19 22:00,22.1,44,20.30,36.0,2.6,1.3,289 2025-05-19 23:00,22.0,44,20.30,36.0,2.9,0.6,294 2025-05-20 00:00,22.0,44,20.30,35.0,2.7,1.0,297 2025-05-20 01:00,22.0,44,20.30,35.0,2.9,0.6,286 2025-05-20 02:00,22.0,44,20.30,35.0,3.7,1.4,296 2025-05-20 03:00,22.0,44,20.30,36.0,2.4,0.8,288 2025-05-20 04:00,21.9,43,20.30,35.0,2.3,0.5,251 2025-05-20 05:00,21.9,43,20.30,34.0,1.0,0.1,228 2025-05-20 06:00,21.9,43,20.30,35.0,2.5,0.5,328 2025-05-20 07:00,21.9,43,20.30,34.0,,,