#------------------------------------------------- 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: 2025-05-17 08:00 to 2025-05-20 07:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 1191: Mcneil River SGS, 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 # Solar Radiation Average Value None Hour N/A Watts/meter squared N/A SRADV Average solar radiation # Barometric Pressure Value None Instantaneous N/A Inches hg N/A PRES Barometric pressure # 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 # #------------------------------------------------------------------------------------------------------ # # Mcneil River Sgs (1191) # Alaska SNOTEL Site - 110 ft # Reporting Frequency: Hourly; Date Range: 2025-05-17 08:00 to 2025-05-20 07:00 # # As of: May 20, 2025, 7:53:03 AM GMT-08:00 # Date,Air Temperature Observed (degF),Precipitation Accumulation (in),Snow Depth (in),Solar Radiation Average (watt/m2),Barometric Pressure (inch_Hg),Wind Speed Maximum (mph),Wind Speed Average (mph),Wind Direction Average (degree) 2025-05-17 08:00,42.0,76.20,1,316.70,29.71,17.3,10.9,255 2025-05-17 09:00,43.0,76.20,0,433.10,29.68,21.8,12.6,256 2025-05-17 10:00,44.0,76.20,1,626.90,29.71,19.6,12.2,250 2025-05-17 11:00,45.0,76.20,1,560.60,29.68,18.1,11.6,239 2025-05-17 12:00,46.0,76.20,0,817.00,29.68,18.7,10.9,244 2025-05-17 13:00,48.0,76.20,0,670.00,29.71,21.9,12.7,249 2025-05-17 14:00,48.0,76.20,0,516.00,29.68,21.6,10.6,239 2025-05-17 15:00,49.0,76.20,0,363.80,29.68,12.6,7.2,234 2025-05-17 16:00,50.0,76.20,0,263.60,29.68,11.2,6.8,244 2025-05-17 17:00,49.0,76.20,0,170.10,29.68,10.8,6.5,245 2025-05-17 18:00,50.0,76.20,0,108.50,29.68,8.3,4.0,238 2025-05-17 19:00,49.0,76.20,0,66.15,29.68,5.0,1.6,212 2025-05-17 20:00,49.0,76.20,0,28.88,29.68,6.7,2.6,210 2025-05-17 21:00,48.0,76.20,0,6.85,29.68,6.0,1.8,223 2025-05-17 22:00,46.0,76.20,0,0.08,29.71,2.4,0.8,346 2025-05-17 23:00,45.0,76.20,1,0.00,29.71,4.3,1.5,345 2025-05-18 00:00,44.0,76.20,0,0.00,29.71,2.5,0.6,264 2025-05-18 01:00,43.0,76.20,0,0.00,29.71,1.8,0.5,232 2025-05-18 02:00,43.0,76.20,0,0.00,29.71,1.7,0.3,82 2025-05-18 03:00,42.0,76.20,1,0.00,29.71,4.6,1.4,30 2025-05-18 04:00,42.0,76.20,1,1.15,29.68,3.8,1.2,190 2025-05-18 05:00,41.0,76.20,1,11.79,29.68,8.1,2.6,222 2025-05-18 06:00,42.0,76.20,1,43.13,29.68,5.0,2.2,288 2025-05-18 07:00,42.0,76.20,1,98.60,29.71,4.8,1.5,260 2025-05-18 08:00,44.0,76.20,0,175.70,29.71,3.9,0.8,85 2025-05-18 09:00,46.0,76.20,1,215.00,29.71,6.6,1.7,214 2025-05-18 10:00,47.0,76.20,1,155.90,29.71,7.8,3.7,225 2025-05-18 11:00,47.0,76.20,0,215.60,29.71,6.6,2.7,220 2025-05-18 12:00,47.0,76.20,1,175.00,29.71,6.5,2.1,228 2025-05-18 13:00,48.0,76.20,0,175.20,29.74,9.5,3.1,216 2025-05-18 14:00,48.0,76.20,1,162.70,29.74,6.9,3.4,206 2025-05-18 15:00,48.0,76.20,1,218.70,29.74,7.1,3.0,225 2025-05-18 16:00,48.0,76.20,0,198.70,29.74,6.4,3.2,229 2025-05-18 17:00,48.0,76.20,1,156.40,29.74,9.4,4.4,46 2025-05-18 18:00,47.0,76.20,1,85.60,29.74,8.6,4.6,41 2025-05-18 19:00,47.0,76.20,1,63.34,29.77,6.9,3.2,36 2025-05-18 20:00,46.0,76.20,1,27.38,29.77,2.5,0.5,331 2025-05-18 21:00,46.0,76.20,1,5.55,29.77,3.9,1.3,308 2025-05-18 22:00,44.0,76.20,1,0.10,29.77,4.1,1.7,318 2025-05-18 23:00,43.0,76.20,1,0.00,29.80,2.7,0.7,222 2025-05-19 00:00,43.0,76.20,0,0.00,29.80,6.4,3.9,218 2025-05-19 01:00,43.0,76.20,1,0.00,29.80,8.9,4.5,231 2025-05-19 02:00,43.0,76.20,1,0.00,29.80,10.5,5.4,235 2025-05-19 03:00,43.0,76.20,0,0.00,29.80,8.7,3.8,204 2025-05-19 04:00,43.0,76.20,0,1.76,29.80,5.5,2.0,242 2025-05-19 05:00,43.0,76.20,0,22.96,29.80,7.2,3.1,337 2025-05-19 06:00,42.0,76.20,0,75.01,29.80,15.3,7.6,253 2025-05-19 07:00,41.0,76.20,0,150.60,29.80,17.7,9.1,247 2025-05-19 08:00,42.0,76.20,0,233.80,29.80,18.6,11.8,246 2025-05-19 09:00,42.0,76.20,1,461.00,29.80,22.4,12.5,249 2025-05-19 10:00,44.0,76.20,0,413.90,29.80,18.8,11.2,246 2025-05-19 11:00,45.0,76.20,0,661.80,29.80,15.9,8.5,220 2025-05-19 12:00,46.0,76.20,0,719.60,29.80,20.7,11.5,229 2025-05-19 13:00,46.0,76.20,0,621.10,29.80,21.9,13.4,239 2025-05-19 14:00,48.0,76.20,1,700.20,29.77,21.6,14.6,244 2025-05-19 15:00,48.0,76.20,0,774.10,29.77,21.3,13.7,228 2025-05-19 16:00,49.0,76.20,0,613.40,29.77,18.2,11.0,209 2025-05-19 17:00,49.0,76.20,0,452.60,29.74,16.6,9.1,217 2025-05-19 18:00,49.0,76.20,0,225.00,29.74,21.7,13.2,208 2025-05-19 19:00,48.0,76.20,0,196.10,29.74,23.8,16.3,200 2025-05-19 20:00,47.0,76.10,0,65.53,29.74,23.7,13.8,195 2025-05-19 21:00,46.0,76.20,1,11.69,29.74,23.3,13.4,193 2025-05-19 22:00,44.0,76.20,0,0.52,29.74,14.5,8.6,224 2025-05-19 23:00,43.0,76.20,0,0.00,29.74,17.1,10.4,188 2025-05-20 00:00,42.0,76.20,1,0.00,29.74,15.5,6.8,213 2025-05-20 01:00,42.0,76.20,1,0.00,29.74,11.3,3.0,147 2025-05-20 02:00,41.0,76.20,1,0.00,29.74,10.6,3.2,187 2025-05-20 03:00,41.0,76.20,1,0.00,29.77,7.1,3.3,135 2025-05-20 04:00,39.0,76.20,1,3.41,29.74,8.5,3.2,231 2025-05-20 05:00,38.0,76.20,1,27.28,29.74,7.0,2.6,195 2025-05-20 06:00,39.0,76.20,1,,29.74,,,