#------------------------------------------------- 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: 2024-05-08 16:00 to 2024-05-11 15:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 1260: Chena Lakes, 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 Water Equivalent Value None Instantaneous N/A Inches N/A WTEQ Depth of water that would theoretically result if the entire snowpack were melted instantaneously # Snow Depth Value None Instantaneous N/A Inches N/A SNWD Total snow depth # Relative Humidity Value None Instantaneous N/A Percent N/A RHUM Relative humidity # Solar Radiation Average Value None Hour N/A Watts/meter squared N/A SRADV Average solar radiation # # 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 # #------------------------------------------------------------------------------------------------------ # # Chena Lakes (1260) # Alaska SNOTEL Site - 500 ft # Reporting Frequency: Hourly; Date Range: 2024-05-08 16:00 to 2024-05-11 15:00 # # As of: May 11, 2024, 3:19:36 PM GMT-08:00 # Date,Air Temperature Observed (degF),Precipitation Accumulation (in),Snow Water Equivalent (in),Snow Depth (in),Relative Humidity (pct),Solar Radiation Average (watt/m2) 2024-05-08 16:00,58.0,4.0,0.1,0,27.00,509.60 2024-05-08 17:00,58.0,3.9,0.1,0,24.00,486.90 2024-05-08 18:00,60.0,4.0,0.1,0,24.00,296.30 2024-05-08 19:00,59.0,3.9,0.1,0,23.00,232.50 2024-05-08 20:00,58.0,3.9,0.1,0,24.00,79.37 2024-05-08 21:00,55.0,3.9,0.1,0,34.00,29.28 2024-05-08 22:00,53.0,3.9,0.1,1,39.00,7.32 2024-05-08 23:00,49.0,3.9,0.1,0,46.00,0.53 2024-05-09 00:00,44.0,3.8,0.1,0,58.00,0.03 2024-05-09 01:00,40.0,3.8,0.1,0,72.00,0.01 2024-05-09 02:00,41.0,3.8,0.1,0,68.00,0.01 2024-05-09 03:00,40.0,3.8,0.1,0,68.00,0.09 2024-05-09 04:00,39.0,3.8,0.1,0,67.00,1.71 2024-05-09 05:00,39.0,3.8,0.1,0,68.00,14.90 2024-05-09 06:00,38.0,3.8,0.1,0,77.00,47.65 2024-05-09 07:00,40.0,3.8,0.1,0,72.00,81.60 2024-05-09 08:00,42.0,3.8,0.1,0,71.00,91.40 2024-05-09 09:00,44.0,3.8,0.1,0,67.00,382.30 2024-05-09 10:00,49.0,3.9,0.1,0,56.00,360.30 2024-05-09 11:00,50.0,3.9,0.1,0,53.00,126.90 2024-05-09 12:00,45.0,3.9,0.1,0,68.00,91.90 2024-05-09 13:00,44.0,3.9,0.1,1,78.00,515.60 2024-05-09 14:00,48.0,4.0,0.1,0,58.00,494.80 2024-05-09 15:00,50.0,4.0,0.1,0,42.00,573.70 2024-05-09 16:00,52.0,4.0,0.1,0,40.00,472.00 2024-05-09 17:00,52.0,4.0,0.1,0,39.00,414.60 2024-05-09 18:00,52.0,4.0,0.1,0,41.00,79.56 2024-05-09 19:00,45.0,4.0,0.1,0,79.00,93.30 2024-05-09 20:00,45.0,4.0,0.1,1,81.00,84.00 2024-05-09 21:00,45.0,4.0,0.1,0,79.00,26.38 2024-05-09 22:00,44.0,4.0,0.1,0,78.00,3.43 2024-05-09 23:00,43.0,4.0,0.1,0,85.00,0.40 2024-05-10 00:00,43.0,4.0,0.1,0,78.00,0.02 2024-05-10 01:00,41.0,4.0,0.1,0,77.00,0.01 2024-05-10 02:00,39.0,4.0,0.1,0,78.00,0.01 2024-05-10 03:00,38.0,4.0,0.1,0,77.00,0.14 2024-05-10 04:00,36.0,4.0,0.1,0,80.00,3.80 2024-05-10 05:00,35.0,4.0,0.1,0,80.00,19.82 2024-05-10 06:00,36.0,4.0,0.1,0,82.00,107.40 2024-05-10 07:00,37.0,4.0,0.1,0,77.00,210.40 2024-05-10 08:00,40.0,4.0,0.1,0,71.00,305.50 2024-05-10 09:00,43.0,4.0,0.1,0,65.00,362.40 2024-05-10 10:00,45.0,4.0,0.1,0,54.00,499.40 2024-05-10 11:00,46.0,4.0,0.1,0,48.00,374.60 2024-05-10 12:00,48.0,4.0,0.1,0,41.00,638.30 2024-05-10 13:00,50.0,4.1,0.1,0,31.00,415.90 2024-05-10 14:00,51.0,4.1,0.1,0,29.00,492.00 2024-05-10 15:00,51.0,4.0,0.1,0,33.00,528.20 2024-05-10 16:00,52.0,4.0,0.1,0,31.00,616.70 2024-05-10 17:00,52.0,4.1,0.1,0,25.00,489.20 2024-05-10 18:00,53.0,4.1,0.1,0,14.00,320.10 2024-05-10 19:00,53.0,4.0,0.1,0,16.00,199.60 2024-05-10 20:00,52.0,4.0,0.1,0,16.00,88.80 2024-05-10 21:00,50.0,4.0,0.1,0,24.00,30.27 2024-05-10 22:00,46.0,4.0,0.1,0,36.00,6.29 2024-05-10 23:00,40.0,4.0,0.1,0,53.00,0.50 2024-05-11 00:00,39.0,4.0,0.1,0,57.00,0.03 2024-05-11 01:00,40.0,4.0,0.1,0,49.00,0.02 2024-05-11 02:00,39.0,4.0,0.1,0,54.00,0.02 2024-05-11 03:00,38.0,4.0,0.1,0,51.00,0.14 2024-05-11 04:00,35.0,4.0,0.1,0,64.00,1.67 2024-05-11 05:00,34.0,4.0,0.1,0,74.00,15.14 2024-05-11 06:00,32.0,4.0,0.1,0,70.00,68.68 2024-05-11 07:00,37.0,4.0,0.1,0,60.00,235.50 2024-05-11 08:00,45.0,4.0,0.1,0,45.00,343.80 2024-05-11 09:00,47.0,4.1,0.1,0,37.00,410.40 2024-05-11 10:00,49.0,4.1,0.1,1,31.00,540.70 2024-05-11 11:00,51.0,4.1,0.1,0,26.00,612.60 2024-05-11 12:00,52.0,4.1,0.1,1,25.00,684.10 2024-05-11 13:00,54.0,4.1,0.1,0,21.00,591.70 2024-05-11 14:00,55.0,4.1,0.1,0,20.00,535.40 2024-05-11 15:00,57.0,4.1,0.1,0,20.00,