#------------------------------------------------- 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: 2026-08-04 17:00 to 2026-08-11 16:00 # # 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: 2026-08-04 17:00 to 2026-08-11 16:00 # # As of: Aug 11, 2026, 4:17:19 PM 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) 2026-08-04 17:00,0.2,,33.9,54.0,83.00,5.8,6.1,2,131.20 2026-08-04 18:00,0.2,,33.8,54.0,,5.8,12.1,3,131.50 2026-08-04 19:00,0.2,,33.8,53.0,82.00,5.8,13.2,3,131.60 2026-08-04 20:00,0.2,,33.9,52.0,33.00,5.8,10.6,2,131.50 2026-08-04 21:00,0.2,,33.9,52.0,7.00,5.8,10.4,3,131.40 2026-08-04 22:00,0.2,,33.9,53.0,1.00,5.8,9.0,3,131.40 2026-08-04 23:00,0.2,,33.9,52.0,0.00,5.8,7.3,2,131.70 2026-08-05 00:00,0.2,,33.9,52.0,0.00,5.8,5.6,2,131.70 2026-08-05 01:00,0.2,,33.9,52.0,0.00,5.8,10.8,3,131.60 2026-08-05 02:00,0.2,,33.9,52.0,0.00,5.8,7.9,3,131.60 2026-08-05 03:00,0.2,,33.9,53.0,0.00,5.8,4.6,3,131.30 2026-08-05 04:00,0.2,,33.9,50.0,0.00,5.8,6.6,3,131.50 2026-08-05 05:00,0.2,,33.9,50.0,2.00,5.8,7.2,4,131.30 2026-08-05 06:00,0.2,,33.9,54.0,17.00,5.8,9.4,2,131.60 2026-08-05 07:00,0.2,,33.9,54.0,35.00,5.8,9.8,3,131.60 2026-08-05 08:00,0.2,,33.9,52.0,42.00,5.8,4.4,1,131.40 2026-08-05 09:00,0.2,,33.9,54.0,79.00,5.8,5.5,1,131.70 2026-08-05 10:00,0.2,,33.8,55.0,,5.8,5.9,2,131.60 2026-08-05 11:00,0.2,,33.8,57.0,,5.8,7.4,3,131.50 2026-08-05 12:00,0.2,,33.8,56.0,,5.8,5.9,2,131.70 2026-08-05 13:00,0.2,,33.8,57.0,,5.8,4.9,2,132.20 2026-08-05 14:00,0.2,,33.8,58.0,,5.8,4.6,2,131.80 2026-08-05 15:00,0.2,,33.8,57.0,,5.8,6.7,2,131.30 2026-08-05 16:00,0.2,,33.8,57.0,,5.8,8.4,4,131.30 2026-08-05 17:00,0.1,,33.7,56.0,,5.8,6.7,2,131.40 2026-08-05 18:00,0.1,,33.8,55.0,65.00,5.8,3.9,1,131.80 2026-08-05 19:00,0.2,,33.8,54.0,67.00,5.8,7.3,1,132.20 2026-08-05 20:00,0.1,,33.8,54.0,40.00,5.8,5.0,1,131.90 2026-08-05 21:00,0.1,,33.8,52.0,14.00,5.8,5.5,3, 2026-08-05 22:00,0.1,,33.9,52.0,2.00,5.8,4.4,2,131.90 2026-08-05 23:00,0.1,,33.9,51.0,1.00,5.8,2.8,1, 2026-08-06 00:00,0.1,,33.9,51.0,1.00,5.8,2.0,1,131.60 2026-08-06 01:00,0.1,,33.9,51.0,1.00,5.8,2.8,1,131.40 2026-08-06 02:00,0.2,,33.9,50.0,1.00,5.8,4.2,2,131.40 2026-08-06 03:00,0.2,,33.9,49.0,1.00,5.8,2.6,1,131.30 2026-08-06 04:00,0.2,,34.0,49.0,1.00,5.8,2.6,1,131.30 2026-08-06 05:00,0.2,,34.0,49.0,1.00,5.8,2.8,1,131.20 2026-08-06 06:00,0.2,,34.0,49.0,12.00,5.8,4.4,2,131.20 2026-08-06 07:00,0.2,,34.0,49.0,69.00,5.8,4.0,2,131.20 2026-08-06 08:00,0.2,,34.0,49.0,71.00,5.8,7.0,3,131.20 2026-08-06 09:00,0.2,,33.9,49.0,,5.8,9.1,5,131.40 2026-08-06 10:00,0.2,,34.0,47.0,,5.8,7.0,3,131.10 2026-08-06 11:00,0.2,,34.0,48.0,,5.8,5.3,3,131.00 2026-08-06 12:00,0.2,,34.0,48.0,,5.8,7.1,2,131.40 2026-08-06 13:00,0.2,,33.9,49.0,,5.8,6.4,4,131.30 2026-08-06 14:00,0.2,,34.0,50.0,,5.8,8.3,4,131.30 2026-08-06 15:00,0.2,,33.9,51.0,,5.8,9.0,5,131.30 2026-08-06 16:00,0.2,,33.9,52.0,,5.8,8.1,4,131.50 2026-08-06 17:00,0.2,,33.9,52.0,,5.8,7.1,4,131.30 2026-08-06 18:00,0.2,,33.9,51.0,,5.8,5.6,3,131.50 2026-08-06 19:00,0.2,,33.9,51.0,88.00,5.8,5.3,2,131.40 2026-08-06 20:00,0.1,,33.9,51.0,59.00,5.8,2.8,1,131.50 2026-08-06 21:00,0.1,,33.9,50.0,11.00,5.8,3.9,1,131.60 2026-08-06 22:00,0.1,,34.0,50.0,2.00,5.8,2.8,1,131.40 2026-08-06 23:00,0.1,,34.0,50.0,1.00,5.8,4.0,1,131.40 2026-08-07 00:00,0.1,,34.0,50.0,1.00,5.8,4.0,1,131.60 2026-08-07 01:00,0.1,,34.0,49.0,1.00,5.8,3.0,1,131.70 2026-08-07 02:00,0.1,,34.0,49.0,1.00,5.8,2.6,1,131.70 2026-08-07 03:00,0.1,,34.0,49.0,1.00,5.8,3.0,1,131.60 2026-08-07 04:00,0.1,,34.0,49.0,0.00,5.8,3.1,1,131.70 2026-08-07 05:00,0.1,,34.0,49.0,2.00,5.8,2.2,1,131.80 2026-08-07 06:00,0.1,,34.0,49.0,9.00,5.8,3.4,1,131.60 2026-08-07 07:00,0.1,,34.0,50.0,41.00,5.8,3.6,1,131.50 2026-08-07 08:00,0.1,,34.0,49.0,77.00,5.8,4.4,2,131.50 2026-08-07 09:00,0.2,,33.9,50.0,,5.8,6.1,3,131.50 2026-08-07 10:00,0.2,,33.9,50.0,,5.8,4.2,2,122.80 2026-08-07 11:00,0.1,,33.9,51.0,,5.8,6.9,3,131.50 2026-08-07 12:00,0.1,,33.9,51.0,,5.8,6.8,3,131.90 2026-08-07 13:00,0.1,,33.9,52.0,,5.8,7.8,5,131.70 2026-08-07 14:00,0.1,,33.9,52.0,,5.8,8.6,4,131.70 2026-08-07 15:00,0.1,,33.9,53.0,,5.8,8.3,4,131.20 2026-08-07 16:00,0.1,,33.9,53.0,,5.8,8.4,5,131.40 2026-08-07 17:00,0.1,,33.9,53.0,,5.8,8.1,5,131.50 2026-08-07 18:00,0.1,,33.9,53.0,,5.8,5.7,3,131.50 2026-08-07 19:00,0.1,,33.9,53.0,,5.8,4.2,2,131.60 2026-08-07 20:00,0.1,,33.9,52.0,59.00,5.8,3.7,1,131.50 2026-08-07 21:00,0.1,,33.9,52.0,24.00,5.8,6.2,2,131.60 2026-08-07 22:00,0.1,,33.9,52.0,3.00,5.8,2.5,1,131.60 2026-08-07 23:00,0.1,,34.0,51.0,1.00,5.8,2.8,1,131.60 2026-08-08 00:00,0.1,,34.0,51.0,1.00,5.8,3.6,2,131.40 2026-08-08 01:00,0.1,,34.0,52.0,0.00,5.8,4.3,2,131.70 2026-08-08 02:00,0.1,,34.0,51.0,0.00,5.8,5.9,3,131.50 2026-08-08 03:00,0.1,,34.0,51.0,1.00,5.8,4.6,3,131.60 2026-08-08 04:00,0.1,,34.0,50.0,0.00,5.8,4.2,3,131.50 2026-08-08 05:00,0.1,,34.0,50.0,2.00,5.8,6.8,4,131.20 2026-08-08 06:00,0.1,,34.0,51.0,27.00,5.8,6.5,4,131.30 2026-08-08 07:00,0.1,,34.0,52.0,55.00,5.8,4.1,2,131.70 2026-08-08 08:00,0.1,,33.9,52.0,,5.8,3.8,1,131.70 2026-08-08 09:00,0.1,,33.9,54.0,,5.8,8.8,3,131.60 2026-08-08 10:00,0.1,,33.9,54.0,,5.8,10.3,4,131.10 2026-08-08 11:00,0.1,,33.8,55.0,,5.8,9.0,5,131.20 2026-08-08 12:00,0.1,,33.8,55.0,,5.8,9.4,5,131.10 2026-08-08 13:00,0.1,,33.8,56.0,,5.8,9.6,5,131.60 2026-08-08 14:00,0.1,,33.8,58.0,,5.8,12.4,6,131.50 2026-08-08 15:00,0.1,,33.9,61.0,,5.8,11.7,6,131.60 2026-08-08 16:00,0.1,,33.8,61.0,,5.8,11.1,5,131.40 2026-08-08 17:00,0.1,,33.8,58.0,,5.8,8.9,4,131.30 2026-08-08 18:00,0.1,,33.8,57.0,,5.8,3.9,2,131.30 2026-08-08 19:00,0.1,,33.9,54.0,,5.8,4.5,2,131.60 2026-08-08 20:00,0.1,,33.9,52.0,40.00,5.8,5.8,3,131.70 2026-08-08 21:00,0.1,,33.9,51.0,19.00,5.8,5.7,3,132.00 2026-08-08 22:00,0.1,,33.9,50.0,2.00,5.8,6.6,5,131.70 2026-08-08 23:00,0.1,,34.0,48.0,0.00,5.8,6.6,5,131.70 2026-08-09 00:00,0.1,,34.0,50.0,0.00,5.8,7.3,5,131.70 2026-08-09 01:00,0.1,,34.0,48.0,0.00,5.8,6.8,5,131.90 2026-08-09 02:00,0.1,,34.0,49.0,0.00,5.8,5.7,3,131.80 2026-08-09 03:00,0.1,,34.0,48.0,0.00,5.8,6.6,5,131.70 2026-08-09 04:00,0.1,,34.0,48.0,0.00,5.8,8.0,6,131.80 2026-08-09 05:00,0.1,,34.0,50.0,1.00,5.8,7.4,3,132.00 2026-08-09 06:00,0.1,,34.0,48.0,19.00,5.8,4.2,2,131.50 2026-08-09 07:00,0.1,,34.0,51.0,95.00,5.8,4.6,2,132.00 2026-08-09 08:00,0.1,,33.9,54.0,,5.8,5.9,3,121.80 2026-08-09 09:00,0.1,,33.8,55.0,,5.8,10.2,5,131.40 2026-08-09 10:00,0.1,,33.8,56.0,,5.8,11.8,6,131.30 2026-08-09 11:00,0.1,,33.8,58.0,,5.8,11.0,7,131.50 2026-08-09 12:00,0.1,,33.8,58.0,,5.8,11.4,7,130.60 2026-08-09 13:00,0.0,,33.7,58.0,,5.8,9.9,6,131.10 2026-08-09 14:00,0.0,,33.7,59.0,,5.8,9.1,5,131.30 2026-08-09 15:00,0.0,,33.8,59.0,,5.8,10.8,6,131.20 2026-08-09 16:00,0.0,,33.8,61.0,,5.8,7.9,5,131.40 2026-08-09 17:00,0.1,,33.8,61.0,,5.8,8.7,5,131.30 2026-08-09 18:00,0.0,,33.8,59.0,,5.8,5.7,3,131.50 2026-08-09 19:00,0.1,,33.8,57.0,,5.8,5.3,2,131.50 2026-08-09 20:00,0.1,,33.9,56.0,39.00,5.8,5.4,2,131.40 2026-08-09 21:00,0.0,,33.9,56.0,13.00,5.8,4.6,2,131.70 2026-08-09 22:00,0.0,,33.9,56.0,2.00,5.8,5.0,3,131.50 2026-08-09 23:00,0.1,,33.9,56.0,1.00,5.8,5.5,3,131.30 2026-08-10 00:00,0.1,,33.9,56.0,1.00,5.8,6.0,3,131.20 2026-08-10 01:00,0.1,,33.9,56.0,1.00,5.8,5.0,2,131.50 2026-08-10 02:00,0.1,,33.9,56.0,1.00,5.8,2.0,1,131.50 2026-08-10 03:00,0.1,,33.9,55.0,1.00,5.8,2.7,1,131.60 2026-08-10 04:00,0.1,,33.9,55.0,1.00,5.8,5.3,3,131.60 2026-08-10 05:00,0.1,,33.9,55.0,2.00,5.8,6.6,4,131.50 2026-08-10 06:00,0.1,,33.9,54.0,14.00,5.8,3.7,1,131.50 2026-08-10 07:00,0.1,,33.9,54.0,62.00,5.8,6.0,2,131.50 2026-08-10 08:00,0.1,,33.9,55.0,,5.8,5.5,2,131.50 2026-08-10 09:00,0.1,,33.9,57.0,,5.8,6.5,2,131.40 2026-08-10 10:00,0.1,,33.8,57.0,,5.8,6.7,3,131.30 2026-08-10 11:00,0.1,,33.8,57.0,,5.8,9.8,4,131.50 2026-08-10 12:00,0.1,,33.8,58.0,,5.8,11.0,5,131.20 2026-08-10 13:00,0.0,,33.8,60.0,,5.8,9.5,5,131.30 2026-08-10 14:00,0.0,,33.8,60.0,,5.8,9.7,5,131.30 2026-08-10 15:00,0.0,,33.8,60.0,,5.8,8.7,5,131.10 2026-08-10 16:00,0.0,,33.8,60.0,,5.8,10.1,5,131.20 2026-08-10 17:00,0.0,,33.8,61.0,,5.8,7.4,4,131.30 2026-08-10 18:00,0.0,,33.8,60.0,,5.8,5.5,2,131.30 2026-08-10 19:00,0.0,,33.8,59.0,,5.8,4.3,1,131.50 2026-08-10 20:00,0.0,,33.9,58.0,40.00,5.8,3.2,1,131.60 2026-08-10 21:00,0.0,,33.9,58.0,15.00,5.8,6.3,2,131.70 2026-08-10 22:00,0.0,,33.9,57.0,2.00,5.8,5.7,3,131.70 2026-08-10 23:00,0.0,,33.9,54.0,0.00,5.8,6.8,4,131.80 2026-08-11 00:00,0.1,,33.9,52.0,0.00,5.8,5.4,3,131.70 2026-08-11 01:00,0.0,,34.0,53.0,0.00,5.8,4.7,3,131.70 2026-08-11 02:00,0.1,,34.0,54.0,0.00,5.8,3.6,2,131.50 2026-08-11 03:00,0.1,,34.0,53.0,0.00,5.8,3.5,2,131.70 2026-08-11 04:00,0.1,,34.0,53.0,0.00,5.8,6.0,4,131.80 2026-08-11 05:00,0.1,,34.0,51.0,2.00,5.8,6.2,4,131.70 2026-08-11 06:00,0.1,,34.0,51.0,20.00,5.8,3.3,2,131.50 2026-08-11 07:00,0.1,,34.0,54.0,58.00,5.8,3.3,1,131.40 2026-08-11 08:00,0.1,,33.9,55.0,89.00,5.8,3.5,2,131.30 2026-08-11 09:00,0.1,,33.9,56.0,,5.8,4.2,2,131.50 2026-08-11 10:00,0.1,,33.9,56.0,,5.8,6.7,3,131.50 2026-08-11 11:00,0.1,,33.9,57.0,,5.8,9.2,5,131.60 2026-08-11 12:00,0.1,,33.8,58.0,,5.8,11.1,6,131.50 2026-08-11 13:00,0.1,,33.8,58.0,,5.8,15.4,8,131.40 2026-08-11 14:00,0.0,,33.8,61.0,,5.8,13.4,8,131.40 2026-08-11 15:00,0.0,,33.8,60.0,,,,,