#------------------------------------------------- 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 18:00 to 2024-05-11 17:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 947: Little Chena Ridge, 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 # 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 # #------------------------------------------------------------------------------------------------------ # # Little Chena Ridge (947) # Alaska SNOTEL Site - 2000 ft # Reporting Frequency: Hourly; Date Range: 2024-05-08 18:00 to 2024-05-11 17:00 # # As of: May 11, 2024, 5:08:56 PM GMT-08:00 # Date,Air Temperature Observed (degF),Precipitation Accumulation (in),Snow Water Equivalent (in),Snow Depth (in),Solar Radiation Average (watt/m2),Wind Speed Maximum (mph),Wind Speed Average (mph),Wind Direction Average (degree) 2024-05-08 18:00,48.0,5.5,0.1,0,199.90,9.0,5.4,284 2024-05-08 19:00,48.0,5.5,0.1,0,155.30,4.7,2.5,306 2024-05-08 20:00,51.0,5.6,0.1,0,72.96,3.5,1.9,108 2024-05-08 21:00,46.0,5.6,0.1,0,8.62,7.3,4.7,28 2024-05-08 22:00,45.0,5.7,0.1,0,1.02,4.7,4.2,57 2024-05-08 23:00,44.0,5.7,0.1,0,0.17,5.6,2.9,134 2024-05-09 00:00,42.0,5.7,0.1,0,0.41,9.0,4.6,224 2024-05-09 01:00,42.0,5.7,0.1,0,0.41,4.1,2.1,277 2024-05-09 02:00,42.0,5.7,0.1,0,0.44,3.0,1.2,216 2024-05-09 03:00,41.0,5.7,0.1,0,2.64,1.7,0.8,190 2024-05-09 04:00,41.0,5.7,0.0,0,15.10,1.5,0.7,110 2024-05-09 05:00,41.0,5.7,0.1,0,37.42,3.2,1.5,115 2024-05-09 06:00,41.0,5.7,0.0,0,65.77,3.9,2.3,117 2024-05-09 07:00,41.0,5.7,0.0,0,162.60,4.0,2.6,86 2024-05-09 08:00,42.0,5.7,0.0,0,250.70,7.9,4.3,219 2024-05-09 09:00,43.0,5.7,0.0,0,267.90,10.2,5.3,173 2024-05-09 10:00,42.0,5.6,0.0,0,268.50,9.9,5.4,197 2024-05-09 11:00,43.0,5.6,0.0,0,415.60,8.5,5.0,216 2024-05-09 12:00,46.0,5.6,0.0,0,280.70,9.2,4.8,162 2024-05-09 13:00,43.0,5.6,0.1,0,399.70,9.6,5.9,46 2024-05-09 14:00,45.0,5.6,0.0,0,604.50,9.1,5.2,218 2024-05-09 15:00,46.0,5.4,0.1,0,364.40,9.5,5.4,62 2024-05-09 16:00,45.0,5.5,0.1,0,195.90,6.4,5.2,54 2024-05-09 17:00,44.0,5.6,0.1,0,140.10,15.9,4.0,158 2024-05-09 18:00,41.0,5.6,0.2,0,46.09,10.6,6.5,280 2024-05-09 19:00,38.0,5.6,0.1,0,46.38,7.7,4.3,266 2024-05-09 20:00,38.0,5.7,0.1,0,18.04,4.0,1.9,242 2024-05-09 21:00,37.0,5.7,0.1,0,5.89,6.2,3.5,257 2024-05-09 22:00,36.0,5.7,0.1,0,0.58,9.9,5.8,255 2024-05-09 23:00,35.0,5.7,0.1,0,0.41,7.8,5.1,258 2024-05-10 00:00,33.0,5.8,0.1,0,0.41,5.4,3.6,266 2024-05-10 01:00,34.0,5.8,0.1,0,0.37,4.7,1.8,260 2024-05-10 02:00,34.0,5.8,0.1,0,0.41,5.7,3.6,261 2024-05-10 03:00,34.0,5.8,0.0,0,1.93,8.9,6.8,263 2024-05-10 04:00,34.0,5.8,0.0,0,11.82,9.5,6.5,260 2024-05-10 05:00,32.0,5.8,0.0,0,40.82,7.8,6.3,262 2024-05-10 06:00,32.0,5.8,0.0,0,134.10,7.0,5.2,264 2024-05-10 07:00,33.0,5.8,0.0,0,247.40,8.9,5.6,252 2024-05-10 08:00,35.0,5.8,0.0,0,383.30,12.8,9.5,233 2024-05-10 09:00,37.0,5.8,0.0,0,420.90,14.4,10.7,252 2024-05-10 10:00,38.0,5.8,0.0,0,420.70,15.1,10.9,228 2024-05-10 11:00,40.0,5.7,0.0,0,623.00,18.7,14.4,220 2024-05-10 12:00,43.0,5.7,0.1,0,831.00,19.6,13.1,222 2024-05-10 13:00,45.0,5.5,0.0,0,462.60,16.7,10.5,225 2024-05-10 14:00,42.0,5.7,0.1,0,283.00,11.7,7.9,217 2024-05-10 15:00,43.0,5.7,0.1,0,280.20,11.0,7.0,210 2024-05-10 16:00,42.0,5.7,0.1,0,317.50,12.3,5.5,157 2024-05-10 17:00,43.0,5.7,0.0,,297.60,7.3,4.3,150 2024-05-10 18:00,44.0,5.6,0.1,,135.80,11.0,7.4,223 2024-05-10 19:00,44.0,5.7,0.1,0,112.80,7.3,3.5,232 2024-05-10 20:00,42.0,5.7,0.1,0,54.67,3.2,2.1,150 2024-05-10 21:00,40.0,5.8,0.1,0,10.08,3.9,2.5,125 2024-05-10 22:00,39.0,5.8,0.1,0,1.12,3.6,2.8,88 2024-05-10 23:00,39.0,5.8,0.0,0,0.34,5.3,2.5,89 2024-05-11 00:00,38.0,5.8,0.1,0,0.24,7.0,3.7,101 2024-05-11 01:00,37.0,5.8,0.1,0,0.37,4.7,2.9,106 2024-05-11 02:00,36.0,5.8,0.0,0,0.51,5.5,2.9,97 2024-05-11 03:00,36.0,5.8,0.0,0,4.10,5.5,3.2,106 2024-05-11 04:00,36.0,5.8,0.0,0,22.66,6.1,2.7,121 2024-05-11 05:00,36.0,5.8,0.0,0,51.08,3.7,2.2,95 2024-05-11 06:00,38.0,5.8,0.0,,158.70,3.0,1.2,158 2024-05-11 07:00,39.0,5.8,0.0,,,,, 2024-05-11 08:00,,,,,400.80,8.1,4.2,231 2024-05-11 09:00,42.0,5.7,0.0,,535.10,6.6,4.6,201 2024-05-11 10:00,45.0,5.6,0.0,0,634.10,6.5,3.3,195 2024-05-11 11:00,45.0,5.5,0.0,0,599.20,6.2,4.2,223 2024-05-11 12:00,46.0,5.5,0.0,,675.70,11.9,5.6,216 2024-05-11 13:00,47.0,5.4,0.0,,672.60,11.0,5.6,227 2024-05-11 14:00,48.0,5.4,0.1,0,686.90,8.4,4.6,222 2024-05-11 15:00,50.0,5.4,0.0,0,,,,