#------------------------------------------------- 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 14:00 to 2024-05-12 13:00 # # 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 # 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 # #------------------------------------------------------------------------------------------------------ # # Mcneil River Sgs (1191) # Alaska SNOTEL Site - 140 ft # Reporting Frequency: Hourly; Date Range: 2024-05-09 14:00 to 2024-05-12 13:00 # # As of: May 12, 2024, 1:50:50 PM 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) 2024-05-09 14:00,38.0,,0,430.20,29.68,12.8,6.5,9 2024-05-09 15:00,39.0,,0,519.80,29.68,12.5,6.3,357 2024-05-09 16:00,40.0,,,607.00,29.68,12.7,6.2,2 2024-05-09 17:00,41.0,,,470.70,29.68,12.6,6.5,357 2024-05-09 18:00,40.0,,0,135.00,29.68,11.9,6.2,17 2024-05-09 19:00,39.0,,0,77.70,29.71,8.9,3.7,12 2024-05-09 20:00,39.0,,0,23.80,29.71,7.8,4.1,280 2024-05-09 21:00,37.0,,0,6.15,29.74,8.2,4.4,277 2024-05-09 22:00,36.0,,0,0.08,29.74,6.8,3.0,287 2024-05-09 23:00,37.0,,,0.00,29.77,6.9,3.4,3 2024-05-10 00:00,36.0,,,0.00,29.77,4.7,2.2,6 2024-05-10 01:00,32.0,,,0.00,29.77,6.3,2.2,124 2024-05-10 02:00,33.0,,,0.00,29.77,6.1,3.0,116 2024-05-10 03:00,33.0,,,0.00,29.77,9.8,3.0,121 2024-05-10 04:00,33.0,,,1.32,29.77,6.8,2.7,54 2024-05-10 05:00,34.0,,,11.25,29.80,5.9,2.1,23 2024-05-10 06:00,36.0,,,32.56,29.77,3.2,1.1,102 2024-05-10 07:00,35.0,,,85.20,29.77,16.8,5.4,64 2024-05-10 08:00,39.0,,0,95.10,29.74,15.2,8.6,39 2024-05-10 09:00,37.0,,0,65.05,29.74,21.4,11.4,28 2024-05-10 10:00,38.0,,,70.32,29.71,21.6,11.3,27 2024-05-10 11:00,39.0,,0,161.10,29.68,23.6,13.7,28 2024-05-10 12:00,39.0,,,278.90,29.65,24.7,15.2,25 2024-05-10 13:00,40.0,,,360.60,29.62,30.9,16.0,26 2024-05-10 14:00,40.0,,,379.50,29.59,27.8,17.6,25 2024-05-10 15:00,40.0,,0,369.80,29.56,35.2,18.3,27 2024-05-10 16:00,40.0,,0,244.70,29.53,32.4,17.3,27 2024-05-10 17:00,39.0,,,185.50,29.53,30.4,17.4,27 2024-05-10 18:00,39.0,,0,92.30,29.50,28.8,16.7,28 2024-05-10 19:00,38.0,,0,44.47,29.50,31.6,18.4,19 2024-05-10 20:00,38.0,,,15.87,29.47,30.8,17.8,20 2024-05-10 21:00,38.0,,,0.85,29.47,30.2,15.1,14 2024-05-10 22:00,36.0,,,0.01,29.47,28.1,13.7,11 2024-05-10 23:00,36.0,,0,0.00,29.44,27.4,14.3,17 2024-05-11 00:00,36.0,,0,0.00,29.41,32.2,16.7,21 2024-05-11 01:00,34.0,,,0.00,29.41,26.4,11.5,13 2024-05-11 02:00,36.0,,,0.00,29.38,22.6,11.3,8 2024-05-11 03:00,36.0,,,0.00,29.38,20.8,10.1,14 2024-05-11 04:00,36.0,,,0.25,29.38,22.0,11.1,6 2024-05-11 05:00,36.0,,,4.06,29.38,20.6,9.8,6 2024-05-11 06:00,36.0,,,29.34,29.38,23.0,11.2,14 2024-05-11 07:00,37.0,,,61.35,29.38,24.2,11.1,18 2024-05-11 08:00,37.0,,,100.40,29.38,24.3,10.2,12 2024-05-11 09:00,38.0,,,204.30,29.38,19.8,9.9,7 2024-05-11 10:00,38.0,,0,199.00,29.38,18.7,9.2,2 2024-05-11 11:00,38.0,,0,316.80,29.41,22.0,10.4,1 2024-05-11 12:00,38.0,,,369.30,29.41,20.9,10.0,355 2024-05-11 13:00,39.0,,0,457.10,29.41,22.8,11.3,347 2024-05-11 14:00,40.0,,0,498.10,29.41,17.6,8.9,354 2024-05-11 15:00,40.0,,0,336.20,29.41,16.2,6.3,349 2024-05-11 16:00,39.0,,0,283.90,29.41,15.4,6.4,325 2024-05-11 17:00,39.0,,0,190.80,29.41,10.0,4.7,355 2024-05-11 18:00,39.0,,0,92.10,29.44,9.2,4.2,351 2024-05-11 19:00,39.0,,0,59.78,29.44,4.0,1.3,237 2024-05-11 20:00,37.0,,0,20.43,29.44,6.9,4.4,203 2024-05-11 21:00,36.0,,,4.18,29.47,5.3,2.7,210 2024-05-11 22:00,35.0,,,0.11,29.47,2.3,0.4,150 2024-05-11 23:00,36.0,,,0.00,29.47,2.5,0.7,48 2024-05-12 00:00,34.0,,,0.00,29.47,5.5,1.1,99 2024-05-12 01:00,33.0,,,0.00,29.50,4.0,1.8,118 2024-05-12 02:00,32.0,,,0.00,29.50,1.2,0.2,230 2024-05-12 03:00,32.0,,,0.00,29.50,1.8,0.4,306 2024-05-12 04:00,32.0,,,1.29,29.50,2.2,0.6,97 2024-05-12 05:00,32.0,,,15.68,29.50,2.8,0.5,49 2024-05-12 06:00,33.0,,,60.95,29.53,3.6,0.5,168 2024-05-12 07:00,34.0,,,189.60,29.50,2.2,0.5,263 2024-05-12 08:00,39.0,,,405.40,29.50,1.8,0.7,93 2024-05-12 09:00,43.0,,,576.80,29.53,7.3,1.3,164 2024-05-12 10:00,43.0,,,550.80,29.53,6.9,3.4,190 2024-05-12 11:00,43.0,,,392.80,29.53,6.8,3.0,202 2024-05-12 12:00,46.0,,,,29.53,,,