#------------------------------------------------- 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 1037: Nuka Glacier, 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 Depth Value None Instantaneous - End of Day N/A Inches N/A SNWD Total snow depth # Solar Radiation Average Value None Day N/A Watts/meter squared N/A SRADV Average solar radiation # Wind Speed Maximum Value None Day N/A Miles/hour N/A WSPDX Maximum wind speed # Wind Speed Average Value None Day N/A Miles/hour N/A WSPDV Average wind speed # Wind Direction Average Value None Day N/A Degrees N/A WDIRV Average wind direction # 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 -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 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 -8 STO Observed soil temperature # Soil Temperature Observed Value None Instantaneous - End of Day N/A Degrees fahrenheit -20 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 # #------------------------------------------------------------------------------------------------------ # # Nuka Glacier (1037) # Alaska SNOTEL Site - 1250 ft # Reporting Frequency: Daily; Date Range: 2024-10-01 to 2025-09-30 # # As of: Oct 4, 2024, 1:35:23 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 Depth (in) End of Day Values,Solar Radiation Average (watt/m2),Wind Speed Maximum (mph),Wind Speed Average (mph),Wind Direction Average (degree),Soil Moisture Percent -2in (pct) End of Day Values,Soil Moisture Percent -8in (pct) End of Day Values,Soil Moisture Percent -20in (pct) End of Day Values,Soil Temperature Observed -2in (degF) End of Day Values,Soil Temperature Observed -8in (degF) End of Day Values,Soil Temperature Observed -20in (degF) End of Day Values 2024-10-01,47.0,34.0,41.0,0.0,0,106.10,17.5,6.5,336,28.5,4.3,33.4,42,44,43 2024-10-02,49.0,26.0,39.0,,1,129.80,13.7,3.6,162,28.3,4.1,5.3,42,43,43 2024-10-03,44.0,35.0,40.0,0.2,0,39.14,36.3,10.6,160,30.8,7.3,4.4,42,43,42