#------------------------------------------------- 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: 2024-05-15 18:00 to 2024-05-18 17:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 2081: Nenana, 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 # 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 # #------------------------------------------------------------------------------------------------------ # # Nenana (2081) # Alaska SNOTEL Site - 415 ft # Reporting Frequency: Hourly; Date Range: 2024-05-15 18:00 to 2024-05-18 17:00 # # As of: May 18, 2024, 5:16:29 PM GMT-08:00 # Date,Air Temperature Observed (degF),Precipitation Accumulation (in),Snow Depth (in),Solar Radiation Average (watt/m2),Wind Speed Maximum (mph),Wind Speed Average (mph),Wind Direction Average (degree) 2024-05-15 18:00,61.0,4.0,0,243.90,10.4,5.0,193 2024-05-15 19:00,60.0,4.0,0,142.70,12.3,6.3,196 2024-05-15 20:00,58.0,4.1,0,42.23,14.3,5.4,188 2024-05-15 21:00,57.0,4.2,0,15.65,12.2,5.5,196 2024-05-15 22:00,55.0,4.2,0,0.01,15.2,7.2,193 2024-05-15 23:00,53.0,4.2,0,0.00,13.8,7.5,197 2024-05-16 00:00,52.0,4.3,0,0.00,12.2,6.0,210 2024-05-16 01:00,52.0,4.3,0,0.00,10.0,5.1,224 2024-05-16 02:00,49.0,4.3,0,0.00,9.6,3.9,222 2024-05-16 03:00,46.0,4.4,0,0.53,4.1,1.7,191 2024-05-16 04:00,41.0,4.4,0,15.78,1.8,0.4,162 2024-05-16 05:00,38.0,4.4,0,78.77,1.1,0.2,158 2024-05-16 06:00,45.0,4.4,0,201.50,2.7,0.6,193 2024-05-16 07:00,49.0,4.3,0,312.60,5.6,1.0,200 2024-05-16 08:00,52.0,4.2,0,423.90,7.0,1.5,163 2024-05-16 09:00,53.0,4.2,,553.30,6.7,1.6,163 2024-05-16 10:00,54.0,4.1,0,590.80,6.8,1.7,171 2024-05-16 11:00,56.0,4.1,0,680.20,8.3,2.2,190 2024-05-16 12:00,59.0,4.0,0,717.70,7.2,1.8,209 2024-05-16 13:00,60.0,4.0,,520.40,8.2,2.6,227 2024-05-16 14:00,59.0,4.0,,623.80,11.0,3.1,242 2024-05-16 15:00,61.0,4.0,0,635.20,11.3,3.4,226 2024-05-16 16:00,60.0,4.0,0,283.40,6.3,1.2,253 2024-05-16 17:00,61.0,4.0,0,285.00,7.7,2.2,165 2024-05-16 18:00,60.0,4.0,0,301.30,7.0,1.6,172 2024-05-16 19:00,62.0,4.0,,108.50,5.3,1.3,126 2024-05-16 20:00,57.0,4.1,0,44.53,3.6,0.4,98 2024-05-16 21:00,53.0,4.2,,15.55,2.0,0.4,84 2024-05-16 22:00,48.0,4.3,,0.01,3.2,0.9,185 2024-05-16 23:00,47.0,4.3,0,0.00,5.7,1.6,203 2024-05-17 00:00,47.0,4.3,0,0.00,5.0,2.2,199 2024-05-17 01:00,45.0,4.3,,0.00,3.2,0.6,183 2024-05-17 02:00,40.0,4.3,,0.00,2.5,0.5,167 2024-05-17 03:00,41.0,4.4,0,0.11,1.9,0.3,190 2024-05-17 04:00,41.0,4.4,,10.42,5.4,2.2,207 2024-05-17 05:00,45.0,4.4,0,59.72,6.5,2.7,215 2024-05-17 06:00,46.0,4.4,0,200.80,8.6,3.2,230 2024-05-17 07:00,48.0,4.3,0,322.00,9.4,3.7,231 2024-05-17 08:00,51.0,4.2,0,452.10,10.0,3.0,246 2024-05-17 09:00,55.0,4.2,0,505.40,9.7,2.0,253 2024-05-17 10:00,57.0,4.1,0,580.20,8.2,2.1,244 2024-05-17 11:00,58.0,4.1,0,730.20,8.2,2.9,245 2024-05-17 12:00,59.0,4.0,0,544.70,8.4,2.3,213 2024-05-17 13:00,58.0,4.0,0,596.80,8.4,2.3,230 2024-05-17 14:00,58.0,4.0,,386.50,8.0,1.7,240 2024-05-17 15:00,60.0,4.0,0,660.80,8.5,3.0,245 2024-05-17 16:00,60.0,4.0,0,532.70,7.9,2.4,211 2024-05-17 17:00,63.0,4.0,,494.30,10.2,2.4,225 2024-05-17 18:00,63.0,3.9,,242.50,5.8,1.2,222 2024-05-17 19:00,62.0,4.0,,165.40,6.1,1.1,96 2024-05-17 20:00,58.0,4.1,,28.97,3.9,0.3,298 2024-05-17 21:00,55.0,4.2,0,11.51,1.5,0.2,251 2024-05-17 22:00,49.0,4.2,,0.21,1.5,0.5,192 2024-05-17 23:00,45.0,4.3,0,0.00,2.9,0.4,192 2024-05-18 00:00,42.0,4.3,,0.00,1.8,0.3,182 2024-05-18 01:00,38.0,4.3,,0.00,1.1,0.0,193 2024-05-18 02:00,35.0,4.3,,0.00,0.0,0.0,193 2024-05-18 03:00,33.0,4.3,0,0.65,1.6,0.2,193 2024-05-18 04:00,31.0,4.3,0,22.87,1.2,0.2,193 2024-05-18 05:00,34.0,4.3,,114.10,1.5,0.1,194 2024-05-18 06:00,43.0,4.4,0,198.50,3.2,0.4,194 2024-05-18 07:00,51.0,4.3,0,337.80,4.1,0.7,101 2024-05-18 08:00,55.0,4.2,,429.90,6.5,1.7,75 2024-05-18 09:00,60.0,4.2,,539.50,7.6,2.0,140 2024-05-18 10:00,62.0,4.1,0,635.40,6.5,2.1,120 2024-05-18 11:00,65.0,4.0,,702.10,9.5,2.6,117 2024-05-18 12:00,66.0,4.0,,742.70,9.6,2.8,128 2024-05-18 13:00,67.0,3.9,,646.90,8.4,2.2,119 2024-05-18 14:00,68.0,3.9,,507.00,10.0,2.6,154 2024-05-18 15:00,67.0,3.9,0,,,,