#------------------------------------------------- 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: 2025-04-18 09:00 to 2025-04-21 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 # 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 # #------------------------------------------------------------------------------------------------------ # # Fort Yukon (961) # Alaska SNOTEL Site - 440 ft # Reporting Frequency: Hourly; Date Range: 2025-04-18 09:00 to 2025-04-21 08:00 # # As of: Apr 21, 2025, 8:58:43 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) 2025-04-18 09:00,34.0,5.80,18,98.00,74.36,3.3,0.5,356 2025-04-18 10:00,35.0,5.80,18,97.00,109.60,4.1,1.5,50 2025-04-18 11:00,34.0,5.90,19,95.00,124.40,3.8,1.2,55 2025-04-18 12:00,35.0,5.90,18,95.00,170.70,2.9,1.3,32 2025-04-18 13:00,35.0,5.90,19,95.00,235.60,4.7,2.2,30 2025-04-18 14:00,35.0,5.90,19,93.00,203.90,5.2,2.3,28 2025-04-18 15:00,34.0,5.90,19,94.00,192.60,4.8,1.8,5 2025-04-18 16:00,34.0,5.90,19,94.00,138.40,2.7,1.1,8 2025-04-18 17:00,35.0,6.00,19,95.00,83.10,5.3,2.2,21 2025-04-18 18:00,33.0,6.00,19,94.00,45.88,3.9,1.3,24 2025-04-18 19:00,33.0,6.00,19,97.00,14.80,4.9,2.3,32 2025-04-18 20:00,32.0,6.10,18,97.00,1.32,4.1,2.0,47 2025-04-18 21:00,31.0,6.10,19,96.00,0.00,4.2,1.4,47 2025-04-18 22:00,31.0,6.10,18,97.00,0.00,2.5,1.1,38 2025-04-18 23:00,30.0,6.20,19,97.00,0.00,2.9,0.9,88 2025-04-19 00:00,30.0,6.20,20,96.00,0.00,3.4,1.0,91 2025-04-19 01:00,29.0,6.30,21,96.00,0.00,3.2,0.7,82 2025-04-19 02:00,28.0,6.30,21,95.00,0.00,3.3,0.6,68 2025-04-19 03:00,28.0,6.40,22,96.00,0.00,2.9,0.6,72 2025-04-19 04:00,27.0,6.40,23,95.00,0.03,3.7,0.5,98 2025-04-19 05:00,26.0,6.40,23,94.00,2.41,2.8,0.6,95 2025-04-19 06:00,26.0,6.40,23,94.00,5.35,2.8,0.7,96 2025-04-19 07:00,26.0,6.40,23,93.00,12.42,2.5,0.5,86 2025-04-19 08:00,28.0,6.40,23,92.00,20.85,3.0,0.6,90 2025-04-19 09:00,28.0,6.40,23,91.00,28.15,0.0,0.0,0 2025-04-19 10:00,31.0,6.40,23,91.00,38.58,1.2,0.0,67 2025-04-19 11:00,34.0,6.40,23,91.00,70.58,3.4,0.4,243 2025-04-19 12:00,37.0,6.30,22,87.00,158.50,2.3,0.5,358 2025-04-19 13:00,39.0,6.30,22,86.00,392.40,3.2,0.6,2 2025-04-19 14:00,41.0,6.30,21,76.00,241.50,4.8,0.8,292 2025-04-19 15:00,40.0,6.20,20,72.00,180.30,7.7,2.9,271 2025-04-19 16:00,40.0,6.30,20,66.00,169.90,5.5,1.9,280 2025-04-19 17:00,40.0,6.30,20,63.00,113.70,7.6,2.9,269 2025-04-19 18:00,39.0,6.30,20,58.00,95.50,9.0,3.8,264 2025-04-19 19:00,39.0,6.30,20,60.00,26.85,9.2,3.9,244 2025-04-19 20:00,37.0,6.30,20,66.00,3.70,11.1,5.4,238 2025-04-19 21:00,36.0,6.30,20,67.00,0.03,10.5,5.1,241 2025-04-19 22:00,35.0,6.40,20,69.00,0.00,9.9,4.6,240 2025-04-19 23:00,34.0,6.40,20,70.00,0.00,8.4,4.3,256 2025-04-20 00:00,34.0,6.40,19,68.00,0.00,11.2,4.1,255 2025-04-20 01:00,33.0,6.40,19,67.00,0.00,8.4,3.5,264 2025-04-20 02:00,32.0,6.40,19,69.00,0.00,6.4,2.6,260 2025-04-20 03:00,30.0,6.40,19,72.00,0.00,4.3,2.0,231 2025-04-20 04:00,31.0,6.40,19,72.00,0.94,6.2,2.3,237 2025-04-20 05:00,31.0,6.40,19,70.00,12.80,6.4,3.1,237 2025-04-20 06:00,31.0,6.40,19,69.00,51.11,7.4,3.1,239 2025-04-20 07:00,32.0,6.40,19,67.00,96.30,8.6,3.7,256 2025-04-20 08:00,32.0,6.40,19,67.00,168.00,8.7,3.8,266 2025-04-20 09:00,33.0,6.40,19,62.00,214.90,6.5,3.0,280 2025-04-20 10:00,33.0,6.40,19,63.00,179.50,7.9,2.6,272 2025-04-20 11:00,34.0,6.30,19,62.00,206.70,5.6,2.7,292 2025-04-20 12:00,34.0,6.40,19,60.00,233.60,5.4,1.8,293 2025-04-20 13:00,35.0,6.30,19,56.00,235.00,4.7,0.9,329 2025-04-20 14:00,36.0,6.30,19,54.00,226.80,3.5,0.8,347 2025-04-20 15:00,36.0,6.30,18,54.00,173.50,2.3,0.5,356 2025-04-20 16:00,36.0,6.30,19,54.00,111.10,2.0,0.3,151 2025-04-20 17:00,36.0,6.30,19,53.00,102.70,3.6,0.6,25 2025-04-20 18:00,36.0,6.30,19,57.00,53.56,6.3,1.6,54 2025-04-20 19:00,34.0,6.30,19,69.00,20.26,6.6,2.7,47 2025-04-20 20:00,34.0,6.40,19,73.00,3.71,4.7,1.3,55 2025-04-20 21:00,32.0,6.40,19,76.00,0.00,3.8,1.7,40 2025-04-20 22:00,32.0,6.40,19,78.00,0.00,4.4,1.9,38 2025-04-20 23:00,31.0,6.40,19,76.00,0.00,5.6,1.9,53 2025-04-21 00:00,31.0,6.40,19,76.00,0.00,3.9,1.9,37 2025-04-21 01:00,30.0,6.40,19,78.00,0.00,5.6,2.4,41 2025-04-21 02:00,30.0,6.40,19,75.00,0.00,6.7,3.1,39 2025-04-21 03:00,29.0,6.40,19,68.00,0.00,6.5,3.2,40 2025-04-21 04:00,28.0,6.40,19,68.00,2.42,6.8,3.5,38 2025-04-21 05:00,27.0,6.40,19,68.00,16.06,7.6,3.9,33 2025-04-21 06:00,25.0,6.40,19,63.00,48.47,6.5,3.5,31 2025-04-21 07:00,24.0,6.40,19,59.00,,,,