#------------------------------------------------- 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: 2025-07-09 00:00 to 2025-07-09 23:00 # # 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 # Air Temperature Maximum Value None Hour N/A Degrees fahrenheit N/A TMAX Maximum air temperature - sub-hourly sampling frequency # Air Temperature Minimum Value None Hour N/A Degrees fahrenheit N/A TMIN Minimum air temperature - sub-hourly sampling frequency # Air Temperature Average Value None Hour 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 # 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: 2025-07-09 00:00 to 2025-07-09 23:00 # # As of: Jul 9, 2025, 11:41:01 PM 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),Air Temperature Maximum (degF),Air Temperature Minimum (degF),Air Temperature Average (degF) 2025-07-09 00:00,0.0,0,25.60,45.0,6.6,1.2,132,,, 2025-07-09 01:00,0.0,0,25.60,44.0,5.1,1.9,74,,, 2025-07-09 02:00,0.0,0,25.70,44.0,3.1,0.9,265,,, 2025-07-09 03:00,0.0,0,25.70,44.0,3.8,1.3,162,,, 2025-07-09 04:00,0.0,0,25.70,43.0,5.1,1.7,331,,, 2025-07-09 05:00,0.0,0,25.70,44.0,5.5,1.8,21,,, 2025-07-09 06:00,0.0,0,25.80,43.0,5.8,1.5,315,,, 2025-07-09 07:00,0.0,0,25.80,45.0,4.5,1.0,106,,, 2025-07-09 08:00,0.0,0,25.70,45.0,4.1,0.9,99,,, 2025-07-09 09:00,0.0,0,25.70,45.0,5.0,1.7,113,,, 2025-07-09 10:00,0.0,0,25.70,46.0,6.7,3.5,123,,, 2025-07-09 11:00,0.0,0,25.70,46.0,6.3,3.0,111,,, 2025-07-09 12:00,0.0,0,25.70,46.0,8.1,4.4,114,,, 2025-07-09 13:00,0.0,0,25.70,47.0,8.2,4.5,117,,, 2025-07-09 14:00,0.0,0,25.70,47.0,7.4,4.4,108,,, 2025-07-09 15:00,0.0,0,25.70,48.0,10.0,5.4,108,,, 2025-07-09 16:00,0.0,0,25.70,49.0,13.2,7.7,114,,, 2025-07-09 17:00,0.0,0,25.70,48.0,12.6,6.3,108,,, 2025-07-09 18:00,0.0,0,25.70,47.0,8.0,4.4,100,,, 2025-07-09 19:00,0.0,0,25.70,46.0,6.6,3.2,104,,, 2025-07-09 20:00,0.0,0,25.70,45.0,4.4,1.8,117,,, 2025-07-09 21:00,0.0,0,25.70,44.0,,,,,,