#------------------------------------------------- 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: 2025-07-02 18:00 to 2025-07-05 17:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 2080: Tok, 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 Observed Value None Instantaneous N/A Degrees fahrenheit N/A TOBS Instantaneously observed air temperature # Precipitation Accumulation Value None Instantaneous N/A Inches N/A PREC Water year accumulated precipitation # 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 # Relative Humidity Value None Instantaneous N/A Percent N/A RHUM Relative humidity # Solar Radiation Average Value None Hour N/A Watts/meter squared N/A SRADV Average solar radiation # 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 # # 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 # #------------------------------------------------------------------------------------------------------ # # Tok (2080) # Alaska SNOTEL Site - 1640 ft # Reporting Frequency: Hourly; Date Range: 2025-07-02 18:00 to 2025-07-05 17:00 # # As of: Jul 5, 2025, 5:18:12 PM GMT-08:00 # Date,Air Temperature Observed (degF),Precipitation Accumulation (in),Snow Water Equivalent (in),Snow Depth (in),Relative Humidity (pct),Solar Radiation Average (watt/m2),Wind Speed Maximum (mph),Wind Speed Average (mph),Wind Direction Average (degree) 2025-07-02 18:00,69.0,4.5,0.0,0,,172.90,5.9,1.7,148 2025-07-02 19:00,70.0,4.6,0.0,0,,74.07,9.1,2.4,135 2025-07-02 20:00,67.0,4.6,0.0,0,,41.48,6.3,1.6,12 2025-07-02 21:00,64.0,4.6,0.0,0,,38.76,6.5,1.4,92 2025-07-02 22:00,62.0,4.6,0.0,0,,5.89,8.9,2.5,105 2025-07-02 23:00,61.0,4.6,0.0,0,,0.73,4.5,1.7,128 2025-07-03 00:00,59.0,4.7,0.1,0,,0.00,3.4,0.7,106 2025-07-03 01:00,53.0,4.7,0.1,0,,0.16,4.8,1.9,94 2025-07-03 02:00,51.0,4.7,0.1,0,,4.06,2.9,0.9,101 2025-07-03 03:00,49.0,4.7,0.1,0,,18.47,2.5,1.1,88 2025-07-03 04:00,48.0,4.7,0.1,0,,96.00,4.1,1.3,95 2025-07-03 05:00,53.0,4.7,0.1,0,,193.60,4.1,1.7,106 2025-07-03 06:00,58.0,4.6,0.0,0,,297.30,6.1,2.7,100 2025-07-03 07:00,60.0,4.5,0.0,0,,408.90,7.5,3.6,82 2025-07-03 08:00,63.0,4.5,0.0,0,,517.60,10.0,3.3,101 2025-07-03 09:00,67.0,4.5,0.0,0,,616.80,8.9,2.9,118 2025-07-03 10:00,68.0,4.4,0.0,0,,684.30,9.2,3.6,112 2025-07-03 11:00,72.0,4.4,0.0,0,,501.40,8.6,3.0,103 2025-07-03 12:00,72.0,4.4,0.0,0,,631.70,8.7,2.9,133 2025-07-03 13:00,73.0,4.3,0.0,0,,768.60,13.3,3.3,101 2025-07-03 14:00,75.0,4.3,0.0,0,,689.30,8.6,3.7,66 2025-07-03 15:00,73.0,4.3,0.0,0,,151.90,5.6,1.9,42 2025-07-03 16:00,73.0,4.5,0.0,0,,539.60,6.3,2.1,83 2025-07-03 17:00,76.0,4.3,0.0,0,,318.10,6.9,2.5,63 2025-07-03 18:00,73.0,4.4,0.0,0,,107.80,7.1,2.2,53 2025-07-03 19:00,72.0,4.5,0.0,0,,161.70,2.5,0.5,78 2025-07-03 20:00,75.0,4.5,0.0,0,,109.20,2.0,0.2,84 2025-07-03 21:00,70.0,4.5,0.0,0,,40.76,0.0,0.0,0 2025-07-03 22:00,61.0,4.6,0.0,0,,6.44,1.2,0.0,14 2025-07-03 23:00,57.0,4.6,0.0,0,,0.64,0.0,0.0,0 2025-07-04 00:00,51.0,4.6,0.1,0,,0.12,1.9,0.1,128 2025-07-04 01:00,50.0,4.7,0.1,0,,0.36,0.0,0.0,0 2025-07-04 02:00,46.0,4.7,0.1,,,3.36,0.0,0.0,0 2025-07-04 03:00,43.0,4.7,0.1,,,21.03,0.0,0.0,0 2025-07-04 04:00,43.0,4.7,0.1,0,,76.24,0.9,0.0,331 2025-07-04 05:00,47.0,4.7,0.1,0,,161.70,1.8,0.1,331 2025-07-04 06:00,57.0,4.6,0.0,0,,212.20,1.7,0.3,347 2025-07-04 07:00,62.0,4.6,0.0,0,,402.80,2.8,0.9,63 2025-07-04 08:00,67.0,4.4,0.0,0,,505.40,5.2,1.4,356 2025-07-04 09:00,72.0,4.4,0.0,0,,618.50,9.3,2.7,321 2025-07-04 10:00,74.0,4.4,0.0,0,,693.60,11.1,3.7,341 2025-07-04 11:00,76.0,4.3,0.0,0,,543.10,10.9,3.6,8 2025-07-04 12:00,77.0,4.3,0.0,0,,592.10,10.8,4.4,2 2025-07-04 13:00,79.0,4.2,0.0,0,,736.60,11.6,4.3,36 2025-07-04 14:00,79.0,4.3,0.0,0,,605.10,8.9,3.6,50 2025-07-04 15:00,81.0,4.3,0.0,0,,510.80,11.0,4.1,3 2025-07-04 16:00,80.0,4.3,0.0,0,,519.90,13.5,3.8,351 2025-07-04 17:00,81.0,4.2,0.0,0,,380.10,9.5,3.5,20 2025-07-04 18:00,80.0,4.3,0.0,0,,187.50,8.7,3.4,30 2025-07-04 19:00,80.0,4.4,0.0,0,,103.70,7.0,2.3,21 2025-07-04 20:00,76.0,4.4,0.0,0,,64.80,8.4,1.8,35 2025-07-04 21:00,75.0,4.5,0.0,0,,24.71,6.9,1.8,52 2025-07-04 22:00,72.0,4.5,0.0,0,,5.19,4.6,0.8,62 2025-07-04 23:00,63.0,4.6,0.0,0,,0.19,1.5,0.1,208 2025-07-05 00:00,59.0,4.6,0.0,0,,0.02,1.1,0.1,190 2025-07-05 01:00,57.0,4.6,0.1,,,0.21,4.7,0.7,335 2025-07-05 02:00,54.0,4.6,0.1,,,3.33,1.1,0.0,222 2025-07-05 03:00,50.0,4.6,0.1,,,16.63,0.8,0.0,149 2025-07-05 04:00,48.0,4.6,0.1,,,86.40,0.0,0.0,0 2025-07-05 05:00,53.0,4.6,0.1,0,,193.20,2.0,0.0,42 2025-07-05 06:00,64.0,4.5,0.0,0,,249.10,4.1,0.5,26 2025-07-05 07:00,66.0,4.4,0.0,0,,310.90,3.6,0.7,9 2025-07-05 08:00,69.0,4.4,0.0,0,,489.90,6.4,2.3,72 2025-07-05 09:00,71.0,4.3,0.0,0,,609.30,6.8,2.5,11 2025-07-05 10:00,74.0,4.3,0.0,0,,617.10,8.1,3.1,65 2025-07-05 11:00,75.0,4.3,0.0,0,,481.80,8.7,3.5,74 2025-07-05 12:00,78.0,4.3,0.0,0,,607.20,10.5,3.1,80 2025-07-05 13:00,78.0,4.2,0.0,0,,741.80,9.9,3.3,93 2025-07-05 14:00,81.0,4.2,0.0,0,,714.60,9.0,3.4,125 2025-07-05 15:00,82.0,4.2,0.0,0,,641.00,9.5,3.4,129 2025-07-05 16:00,82.0,4.2,0.0,0,,,,,