#------------------------------------------------- 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: 2024-10-01 to 2025-09-30 # Report Instantaneous Data As: End of Day # # Data for the following site(s) are contained in this file: # # SNOTEL 1189: American Creek, AK # # Data items provided in this file: # # Element Name Value Type Function Type Function Duration Base Data Measurement Units Sensor Depth Element Code Description # 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 # Precipitation Accumulation Value None Instantaneous - End of Day N/A Inches N/A PREC Water year accumulated precipitation # Snow Water Equivalent Value None Instantaneous - End 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 - End of Day N/A Inches N/A SNWD Total snow depth # Soil Moisture Percent Value None Instantaneous - End of Day N/A Percent -2 SMS Percent volumetric soil moisture # Soil Moisture Percent Value None Instantaneous - End of Day N/A Percent -4 SMS Percent volumetric soil moisture # Soil Moisture Percent Value None Instantaneous - End of Day N/A Percent -8 SMS Percent volumetric soil moisture # Soil Moisture Percent Value None Instantaneous - End of Day N/A Percent -20 SMS Percent volumetric soil moisture # Soil Moisture Percent Value None Instantaneous - End of Day N/A Percent -40 SMS Percent volumetric soil moisture # Soil Temperature Observed Value None Instantaneous - End of Day N/A Degrees fahrenheit -2 STO Observed soil temperature # Soil Temperature Observed Value None Instantaneous - End of Day N/A Degrees fahrenheit -4 STO Observed soil temperature # Soil Temperature Observed Value None Instantaneous - End of Day N/A Degrees fahrenheit -8 STO Observed soil temperature # Soil Temperature Observed Value None Instantaneous - End of Day N/A Degrees fahrenheit -20 STO Observed soil temperature # Soil Temperature Observed Value None Instantaneous - End of Day N/A Degrees fahrenheit -40 STO Observed soil 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 # #------------------------------------------------------------------------------------------------------ # # American Creek (1189) # Alaska SNOTEL Site - 1050 ft # Reporting Frequency: Daily; Date Range: 2024-10-01 to 2025-09-30 # # As of: Oct 4, 2024, 12:23:56 PM GMT-08:00 # Date,Air Temperature Maximum (degF),Air Temperature Minimum (degF),Air Temperature Average (degF),Precipitation Accumulation (in) End of Day Values,Snow Water Equivalent (in) End of Day Values,Snow Depth (in) End of Day Values,Soil Moisture Percent -2in (pct) End of Day Values,Soil Moisture Percent -4in (pct) End of Day Values,Soil Moisture Percent -8in (pct) End of Day Values,Soil Moisture Percent -20in (pct) End of Day Values,Soil Moisture Percent -40in (pct) End of Day Values,Soil Temperature Observed -2in (degF) End of Day Values,Soil Temperature Observed -4in (degF) End of Day Values,Soil Temperature Observed -8in (degF) End of Day Values,Soil Temperature Observed -20in (degF) End of Day Values,Soil Temperature Observed -40in (degF) End of Day Values 2024-10-01,42.0,16.0,27.0,0.0,0.0,0,7.6,20.3,24.2,5.0,3.8,34,36,37,38,38 2024-10-02,40.0,12.0,26.0,,0.0,0,7.3,20.2,24.2,5.2,3.8,34,35,36,38,38 2024-10-03,46.0,25.0,34.0,0.0,0.0,0,7.5,20.0,24.0,4.9,3.6,34,35,36,37,37