#------------------------------------------------- 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: 2024-10-01 13:00 to 2024-10-04 12:00 # # 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: 2024-10-01 13:00 to 2024-10-04 12:00 # # As of: Oct 4, 2024, 12:18:19 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) 2024-10-01 13:00,48.0,0.1,,337.10,8.0,3.6,60 2024-10-01 14:00,50.0,0.1,,299.00,7.9,3.4,63 2024-10-01 15:00,50.0,0.0,,222.30,9.4,4.0,64 2024-10-01 16:00,49.0,0.0,,,,, 2024-10-01 18:00,,,,0.02,1.6,0.1,245 2024-10-01 19:00,32.0,0.0,,0.00,1.6,0.4,205 2024-10-01 20:00,30.0,0.0,,0.00,1.8,0.5,203 2024-10-01 21:00,29.0,0.0,,0.00,1.5,0.3,203 2024-10-01 22:00,28.0,0.0,,0.00,1.2,0.3,208 2024-10-01 23:00,27.0,0.0,,0.00,1.1,0.1,209 2024-10-02 00:00,26.0,0.0,0,0.00,1.3,0.1,206 2024-10-02 01:00,26.0,0.0,,0.00,1.1,0.1,206 2024-10-02 02:00,26.0,0.0,,0.00,1.1,0.2,206 2024-10-02 03:00,24.0,0.0,,0.00,1.1,0.1,206 2024-10-02 04:00,23.0,0.0,,0.00,0.7,0.0,224 2024-10-02 05:00,22.0,0.0,,0.00,1.0,0.0,224 2024-10-02 06:00,18.0,0.0,,0.00,0.9,0.1,224 2024-10-02 07:00,18.0,0.0,,2.64,0.7,0.0,224 2024-10-02 08:00,19.0,0.1,,35.89,1.4,0.1,278 2024-10-02 09:00,26.0,0.1,,153.60,0.7,0.1,285 2024-10-02 10:00,33.0,0.1,,250.70,1.2,0.1,285 2024-10-02 11:00,39.0,0.1,,298.00,2.9,0.5,98 2024-10-02 12:00,43.0,0.1,,330.00,4.2,1.1,208 2024-10-02 13:00,44.0,0.1,,329.20,4.5,1.2,222 2024-10-02 14:00,47.0,0.1,,278.00,4.9,1.6,238 2024-10-02 15:00,46.0,0.1,,180.70,3.9,1.4,246 2024-10-02 16:00,46.0,0.1,,43.60,3.3,0.8,209 2024-10-02 17:00,37.0,0.1,,25.46,0.6,0.0,205 2024-10-02 18:00,33.0,0.1,,0.27,0.4,0.0,205 2024-10-02 19:00,31.0,0.1,,0.00,0.9,0.1,205 2024-10-02 20:00,30.0,0.1,,0.00,0.0,0.0,205 2024-10-02 21:00,30.0,0.1,,0.00,0.6,0.0,205 2024-10-02 22:00,28.0,0.1,,0.00,1.5,0.1,212 2024-10-02 23:00,25.0,0.1,,0.00,1.6,0.1,108 2024-10-03 00:00,24.0,0.1,,0.00,0.9,0.0,101 2024-10-03 01:00,23.0,0.1,,0.00,0.9,0.0,100 2024-10-03 02:00,24.0,0.1,,0.00,0.0,0.0,100 2024-10-03 03:00,21.0,0.1,,0.00,0.6,0.0,100 2024-10-03 04:00,19.0,0.1,,0.00,0.9,0.0,100 2024-10-03 05:00,17.0,0.1,,0.00,1.6,0.2,133 2024-10-03 06:00,18.0,0.1,,0.00,2.0,0.4,186 2024-10-03 07:00,20.0,0.1,,0.76,2.6,0.4,143 2024-10-03 08:00,21.0,0.1,,31.99,4.8,1.1,174 2024-10-03 09:00,33.0,0.1,,151.00,5.3,1.6,70 2024-10-03 10:00,36.0,0.1,,241.30,5.2,1.7,68 2024-10-03 11:00,40.0,0.1,,296.40,8.3,2.0,74 2024-10-03 12:00,44.0,0.1,,322.30,5.1,1.5,106 2024-10-03 13:00,48.0,0.1,,314.80,6.8,1.8,140 2024-10-03 14:00,49.0,0.1,,276.70,8.4,2.7,136 2024-10-03 15:00,49.0,0.1,,205.80,8.3,2.6,134 2024-10-03 16:00,49.0,0.1,,44.43,8.5,2.4,117 2024-10-03 17:00,48.0,0.1,,28.09,6.3,1.8,117 2024-10-03 18:00,45.0,0.1,,0.03,6.2,1.5,116 2024-10-03 19:00,42.0,0.1,,0.00,7.0,1.5,120 2024-10-03 20:00,43.0,0.1,,0.00,7.8,2.3,123 2024-10-03 21:00,42.0,0.1,,0.00,8.6,2.7,128 2024-10-03 22:00,42.0,0.1,,0.00,8.6,3.1,129 2024-10-03 23:00,42.0,0.1,,0.00,10.2,3.4,132 2024-10-04 00:00,42.0,0.1,,0.00,10.4,3.7,125 2024-10-04 01:00,43.0,0.1,,0.00,9.0,3.6,125 2024-10-04 02:00,42.0,0.1,,0.00,8.0,2.8,139 2024-10-04 03:00,42.0,0.1,,0.00,8.2,2.6,131 2024-10-04 04:00,42.0,0.1,,0.00,9.2,3.0,126 2024-10-04 05:00,43.0,0.1,,0.00,10.1,2.8,122 2024-10-04 06:00,43.0,0.1,,0.00,11.0,3.6,125 2024-10-04 07:00,43.0,0.1,,4.99,11.4,4.4,134 2024-10-04 08:00,43.0,0.1,,49.38,14.5,4.2,142 2024-10-04 09:00,45.0,0.1,,151.80,10.0,4.8,144 2024-10-04 10:00,47.0,0.2,,,,,