#------------------------------------------------- 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: FPACITServiceDesk@usda.gov # #------------------------------------------------------------------------------------------------------ # # Reporting Frequency: Hourly # Date Range: 2026-08-16 12:00 to 2026-08-17 11:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 641: Frostbite Bottom, 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 # Relative Humidity Value None Instantaneous N/A Percent N/A RHUM Relative humidity # 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 # Solar Radiation Average Value None Hour N/A Watts/meter squared N/A SRADV Average solar radiation # # 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 # #------------------------------------------------------------------------------------------------------ # # Frostbite Bottom (641) # Alaska SNOTEL Site - 2690 ft # Reporting Frequency: Hourly; Date Range: 2026-08-16 12:00 to 2026-08-17 11:00 # # As of: Aug 17, 2026, 11:35:25 AM GMT-08:00 # Date,Snow Water Equivalent (in),Snow Depth (in),Precipitation Accumulation (in),Air Temperature Observed (degF),Relative Humidity (pct),Wind Speed Maximum (mph),Wind Speed Average (mph),Wind Direction Average (degree),Solar Radiation Average (watt/m2) 2026-08-16 12:00,0.1,,34.2,62.0,,5.9,16.3,6,131.30 2026-08-16 13:00,0.1,,34.0,62.0,,5.9,14.1,6,131.50 2026-08-16 14:00,0.1,,34.1,62.0,,5.9,11.4,5,131.40 2026-08-16 15:00,0.1,,34.1,60.0,,5.9,9.2,4,131.50 2026-08-16 16:00,0.1,,34.2,60.0,,5.9,13.0,4,131.40 2026-08-16 17:00,0.1,,34.2,58.0,66.00,5.9,8.8,3,131.40 2026-08-16 18:00,0.1,,34.3,53.0,37.00,5.9,8.9,2,131.30 2026-08-16 19:00,0.1,,34.3,53.0,46.00,5.9,6.6,3,131.40 2026-08-16 20:00,0.1,,34.3,55.0,20.00,5.9,8.2,3,131.30 2026-08-16 21:00,0.1,,34.4,55.0,4.00,5.9,6.4,3,131.30 2026-08-16 22:00,0.2,,34.4,55.0,1.00,5.9,8.6,2,131.40 2026-08-16 23:00,0.1,,34.4,56.0,0.00,5.9,13.8,5,131.60 2026-08-17 00:00,0.1,,34.4,54.0,1.00,5.9,15.2,5,131.50 2026-08-17 01:00,0.1,,34.4,54.0,1.00,5.9,11.0,4,131.50 2026-08-17 02:00,0.2,,34.6,54.0,1.00,5.9,12.3,4,131.60 2026-08-17 03:00,0.1,,34.4,53.0,1.00,5.9,12.2,3,131.50 2026-08-17 04:00,0.1,,34.5,49.0,0.00,5.9,27.0,10,131.70 2026-08-17 05:00,0.2,,34.5,45.0,1.00,5.9,,17,131.30 2026-08-17 06:00,0.2,,34.7,46.0,4.00,5.9,,15,131.40 2026-08-17 07:00,0.2,,34.8,46.0,10.00,5.9,26.6,14,131.50 2026-08-17 08:00,0.2,,34.9,46.0,18.00,5.9,23.6,13,131.30 2026-08-17 09:00,0.2,,35.0,46.0,22.00,5.9,21.8,9,131.40 2026-08-17 10:00,0.2,,35.0,47.0,38.00,,,,