#------------------------------------------------- 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: 2024-05-09 09:00 to 2024-05-12 08:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 961: Fort Yukon, 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 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 # 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 # #------------------------------------------------------------------------------------------------------ # # Fort Yukon (961) # Alaska SNOTEL Site - 430 ft # Reporting Frequency: Hourly; Date Range: 2024-05-09 09:00 to 2024-05-12 08:00 # # As of: May 12, 2024, 8:12:50 AM GMT-08:00 # Date,Air Temperature Observed (degF),Precipitation Accumulation (in),Snow Depth (in),Relative Humidity (pct),Solar Radiation Average (watt/m2),Wind Speed Maximum (mph),Wind Speed Average (mph),Wind Direction Average (degree) 2024-05-09 09:00,46.0,3.9,0,58.00,242.00,3.6,1.4,323 2024-05-09 10:00,48.0,3.9,0,55.00,359.80,4.1,1.6,1 2024-05-09 11:00,51.0,3.8,0,46.00,484.10,4.2,2.0,8 2024-05-09 12:00,52.0,3.8,0,44.00,410.40,8.3,2.7,42 2024-05-09 13:00,55.0,3.7,0,38.00,669.10,10.1,3.3,66 2024-05-09 14:00,54.0,3.6,0,38.00,443.40,6.6,2.3,110 2024-05-09 15:00,56.0,3.6,0,38.00,471.40,8.2,2.1,52 2024-05-09 16:00,56.0,3.6,0,35.00,139.00,9.1,3.4,172 2024-05-09 17:00,49.0,3.6,0,53.00,80.90,9.2,3.3,251 2024-05-09 18:00,48.0,3.7,0,62.00,97.40,5.5,2.9,347 2024-05-09 19:00,47.0,3.8,0,64.00,65.47,6.2,2.3,345 2024-05-09 20:00,46.0,3.8,0,66.00,29.05,4.4,1.8,329 2024-05-09 21:00,45.0,3.8,0,73.00,11.40,5.1,2.2,298 2024-05-09 22:00,41.0,3.9,0,83.00,0.69,4.1,1.3,260 2024-05-09 23:00,40.0,3.9,0,89.00,0.00,6.5,2.7,268 2024-05-10 00:00,40.0,3.9,0,89.00,0.00,8.8,4.0,270 2024-05-10 01:00,39.0,3.9,0,96.00,0.00,6.3,3.1,264 2024-05-10 02:00,39.0,4.0,0,97.00,0.04,8.5,4.2,256 2024-05-10 03:00,39.0,4.0,0,96.00,1.77,7.2,3.4,260 2024-05-10 04:00,39.0,4.0,0,97.00,4.11,8.2,3.9,256 2024-05-10 05:00,38.0,4.0,0,97.00,21.12,10.2,5.4,252 2024-05-10 06:00,39.0,4.0,0,95.00,41.63,10.2,5.5,252 2024-05-10 07:00,39.0,4.0,0,93.00,50.70,11.9,6.4,248 2024-05-10 08:00,39.0,4.0,0,91.00,105.00,13.1,7.1,249 2024-05-10 09:00,40.0,4.0,0,88.00,182.40,13.7,7.4,248 2024-05-10 10:00,42.0,4.0,0,82.00,229.00,13.9,6.5,256 2024-05-10 11:00,44.0,4.0,0,72.00,244.20,14.2,6.7,256 2024-05-10 12:00,45.0,3.9,0,66.00,370.90,10.2,4.2,271 2024-05-10 13:00,48.0,3.9,0,56.00,345.30,14.2,5.2,266 2024-05-10 14:00,49.0,3.9,0,50.00,249.40,10.0,3.5,287 2024-05-10 15:00,49.0,3.8,0,47.00,293.10,7.5,2.8,293 2024-05-10 16:00,52.0,3.8,0,41.00,246.10,7.5,2.7,290 2024-05-10 17:00,50.0,3.8,0,38.00,140.10,7.8,2.9,292 2024-05-10 18:00,51.0,3.8,0,36.00,100.50,6.1,1.7,296 2024-05-10 19:00,51.0,3.8,0,35.00,56.70,2.9,0.5,314 2024-05-10 20:00,51.0,3.8,0,35.00,52.85,4.1,0.5,47 2024-05-10 21:00,47.0,3.9,0,41.00,9.19,6.8,2.4,180 2024-05-10 22:00,44.0,3.9,0,47.00,1.09,2.8,1.5,170 2024-05-10 23:00,36.0,4.0,0,72.00,0.00,3.8,1.8,165 2024-05-11 00:00,34.0,4.0,0,79.00,0.00,2.0,0.6,212 2024-05-11 01:00,34.0,4.0,0,78.00,0.00,2.2,0.3,160 2024-05-11 02:00,31.0,4.0,0,88.00,0.34,1.4,0.1,89 2024-05-11 03:00,30.0,4.0,0,88.00,9.23,0.0,0.0,0 2024-05-11 04:00,31.0,4.1,0,90.00,37.32,0.0,0.0,0 2024-05-11 05:00,33.0,4.1,0,84.00,65.05,1.6,0.2,75 2024-05-11 06:00,36.0,4.1,0,72.00,190.70,2.4,0.6,101 2024-05-11 07:00,41.0,4.1,0,62.00,262.60,3.4,0.9,93 2024-05-11 08:00,45.0,4.0,0,52.00,324.20,3.0,0.8,102 2024-05-11 09:00,48.0,4.0,0,39.00,303.80,5.6,1.6,152 2024-05-11 10:00,50.0,4.0,0,35.00,561.00,7.1,3.4,207 2024-05-11 11:00,52.0,3.8,0,32.00,690.10,9.0,4.2,198 2024-05-11 12:00,53.0,3.7,0,24.00,449.30,8.4,4.7,185 2024-05-11 13:00,51.0,3.7,0,24.00,546.50,8.9,3.4,195 2024-05-11 14:00,53.0,3.7,0,22.00,619.80,8.6,2.7,200 2024-05-11 15:00,56.0,3.6,0,20.00,397.50,5.4,1.9,218 2024-05-11 16:00,54.0,3.6,0,22.00,286.80,4.8,1.8,49 2024-05-11 17:00,54.0,3.6,0,23.00,267.90,6.7,2.2,48 2024-05-11 18:00,53.0,3.6,0,30.00,86.00,7.1,3.4,45 2024-05-11 19:00,50.0,3.7,0,34.00,21.89,7.0,3.5,40 2024-05-11 20:00,47.0,3.8,0,43.00,15.54,6.8,3.2,45 2024-05-11 21:00,45.0,3.9,0,50.00,9.45,5.1,2.8,46 2024-05-11 22:00,42.0,3.9,0,57.00,1.46,4.8,2.5,42 2024-05-11 23:00,40.0,4.0,0,60.00,0.00,6.0,2.6,40 2024-05-12 00:00,38.0,4.0,0,65.00,0.00,5.6,2.6,35 2024-05-12 01:00,38.0,4.0,0,67.00,0.00,6.0,2.9,31 2024-05-12 02:00,37.0,4.0,0,71.00,1.48,4.7,2.5,25 2024-05-12 03:00,36.0,4.1,0,71.00,9.00,5.2,2.7,17 2024-05-12 04:00,36.0,4.1,0,74.00,28.64,5.1,2.8,19 2024-05-12 05:00,37.0,4.1,0,72.00,60.70,5.1,2.6,13 2024-05-12 06:00,38.0,4.1,0,70.00,,,,