#------------------------------------------------- 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: 2025-07-09 09:00 to 2025-07-12 08:00 # # 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: 2025-07-09 09:00 to 2025-07-12 08:00 # # As of: Jul 12, 2025, 8:54:43 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) 2025-07-09 09:00,53.0,81.40,,244.60,29.71,8.2,3.4,56 2025-07-09 10:00,55.0,81.40,,370.50,29.71,11.6,6.0,36 2025-07-09 11:00,56.0,81.40,,450.40,29.74,11.3,6.2,20 2025-07-09 12:00,56.0,81.40,,381.40,29.74,10.6,6.2,35 2025-07-09 13:00,57.0,81.40,,425.40,29.74,12.1,5.8,42 2025-07-09 14:00,56.0,81.40,,393.60,29.74,13.8,7.4,45 2025-07-09 15:00,58.0,81.40,0,419.80,29.74,19.5,9.9,23 2025-07-09 16:00,56.0,81.40,,239.90,29.71,18.0,11.2,25 2025-07-09 17:00,55.0,81.40,,39.10,29.71,13.7,6.8,29 2025-07-09 18:00,52.0,81.40,,26.23,29.71,12.8,5.5,23 2025-07-09 19:00,51.0,81.40,,26.93,29.71,14.8,7.9,23 2025-07-09 20:00,50.0,81.50,,15.85,29.71,14.7,8.8,22 2025-07-09 21:00,50.0,81.50,,4.41,29.68,14.3,8.2,21 2025-07-09 22:00,50.0,81.40,,0.48,29.68,14.9,8.1,20 2025-07-09 23:00,50.0,81.50,,0.00,29.68,17.6,9.8,27 2025-07-10 00:00,51.0,81.50,0,0.00,29.68,25.9,11.4,34 2025-07-10 01:00,51.0,81.50,,0.00,29.65,24.8,14.3,33 2025-07-10 02:00,51.0,81.50,,0.00,29.65,23.0,13.0,24 2025-07-10 03:00,51.0,81.50,,0.03,29.62,26.4,13.2,26 2025-07-10 04:00,51.0,81.50,,0.72,29.62,25.5,13.0,26 2025-07-10 05:00,50.0,81.50,,4.91,29.59,27.5,14.2,24 2025-07-10 06:00,51.0,81.50,,7.54,29.59,21.9,11.7,28 2025-07-10 07:00,50.0,81.60,,17.88,29.59,19.3,9.5,15 2025-07-10 08:00,50.0,81.50,,22.49,29.59,18.6,7.5,3 2025-07-10 09:00,50.0,81.60,,54.24,29.59,14.0,6.1,4 2025-07-10 10:00,50.0,81.70,,141.10,29.59,16.6,7.5,25 2025-07-10 11:00,52.0,81.70,,182.10,29.56,17.6,8.1,26 2025-07-10 12:00,51.0,81.80,,208.70,29.59,14.6,7.8,28 2025-07-10 13:00,52.0,81.80,,215.20,29.56,11.8,6.6,49 2025-07-10 14:00,52.0,81.80,,189.60,29.56,9.3,4.8,62 2025-07-10 15:00,54.0,81.80,,183.20,29.56,12.6,5.9,42 2025-07-10 16:00,53.0,81.80,,178.80,29.56,11.4,6.5,49 2025-07-10 17:00,53.0,81.80,,135.80,29.53,10.6,5.9,52 2025-07-10 18:00,54.0,81.80,,81.50,29.53,10.0,4.2,96 2025-07-10 19:00,54.0,81.80,,44.43,29.50,5.3,2.5,144 2025-07-10 20:00,53.0,81.90,,41.00,29.53,10.9,6.9,215 2025-07-10 21:00,53.0,81.90,,17.82,29.50,5.1,2.0,146 2025-07-10 22:00,51.0,81.90,,2.20,29.53,3.9,1.8,111 2025-07-10 23:00,51.0,81.90,,0.00,29.53,3.3,1.3,108 2025-07-11 00:00,51.0,81.90,,0.00,29.56,4.5,1.5,223 2025-07-11 01:00,50.0,81.90,,0.00,29.56,4.2,1.3,140 2025-07-11 02:00,50.0,81.90,,0.00,29.56,3.9,1.3,134 2025-07-11 03:00,50.0,81.90,,0.00,29.56,7.9,2.6,193 2025-07-11 04:00,52.0,81.90,,2.95,29.53,7.7,3.0,105 2025-07-11 05:00,51.0,81.90,,20.55,29.53,7.7,2.3,89 2025-07-11 06:00,51.0,81.90,,84.40,29.56,4.9,1.9,107 2025-07-11 07:00,52.0,81.90,,153.60,29.56,2.2,0.4,61 2025-07-11 08:00,55.0,81.90,,232.00,29.56,5.3,1.5,74 2025-07-11 09:00,57.0,81.90,,368.90,29.56,4.7,2.1,129 2025-07-11 10:00,60.0,81.90,,647.10,29.56,11.8,4.3,76 2025-07-11 11:00,60.0,81.80,,578.00,29.59,10.4,5.2,55 2025-07-11 12:00,59.0,81.80,,533.90,29.59,10.3,5.3,40 2025-07-11 13:00,59.0,81.80,,639.60,29.59,11.2,5.7,41 2025-07-11 14:00,61.0,81.80,,616.00,29.59,9.6,4.2,24 2025-07-11 15:00,60.0,81.80,,627.60,29.59,11.5,4.2,12 2025-07-11 16:00,60.0,81.80,,546.40,29.62,14.8,8.5,245 2025-07-11 17:00,60.0,81.80,,531.80,29.62,10.1,4.3,314 2025-07-11 18:00,59.0,81.80,,411.70,29.62,12.2,5.0,334 2025-07-11 19:00,59.0,81.80,,291.30,29.62,10.2,3.5,328 2025-07-11 20:00,58.0,81.80,,161.30,29.65,12.2,4.6,216 2025-07-11 21:00,55.0,81.80,0,35.66,29.65,15.2,8.4,236 2025-07-11 22:00,54.0,81.80,,2.88,29.68,12.2,6.7,232 2025-07-11 23:00,52.0,81.80,,0.00,29.71,6.6,3.1,255 2025-07-12 00:00,49.0,81.80,,0.00,29.71,6.1,1.3,91 2025-07-12 01:00,47.0,81.80,,0.00,29.74,3.2,1.1,55 2025-07-12 02:00,48.0,81.90,,0.00,29.74,2.8,0.8,74 2025-07-12 03:00,48.0,81.80,,0.02,29.77,4.7,1.2,98 2025-07-12 04:00,49.0,81.90,,4.71,29.77,3.0,0.9,71 2025-07-12 05:00,48.0,81.90,,20.34,29.80,2.3,0.8,23 2025-07-12 06:00,50.0,81.90,,89.90,29.80,2.8,0.8,250 2025-07-12 07:00,52.0,81.90,,,29.82,,,