#------------------------------------------------- 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: 2024-05-10 06:00 to 2024-05-13 05:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 2222: Gulkana River, 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 # 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 # #------------------------------------------------------------------------------------------------------ # # Gulkana River (2222) # Alaska SNOTEL Site - 1830 ft # Reporting Frequency: Hourly; Date Range: 2024-05-10 06:00 to 2024-05-13 05:00 # # As of: May 13, 2024, 5:15:33 AM GMT-08:00 # Date,Air Temperature Observed (degF),Precipitation Accumulation (in),Snow Water Equivalent (in),Snow Depth (in),Wind Speed Maximum (mph),Wind Speed Average (mph),Wind Direction Average (degree) 2024-05-10 06:00,34.0,8.6,,4,10.6,4.4,198 2024-05-10 07:00,39.0,8.6,,4,14.1,6.2,200 2024-05-10 08:00,40.0,8.6,,4,16.1,6.4,192 2024-05-10 09:00,42.0,8.6,,4,15.5,6.9,192 2024-05-10 10:00,42.0,8.6,,4,14.6,7.0,199 2024-05-10 11:00,43.0,8.6,,4,13.8,6.8,190 2024-05-10 12:00,44.0,8.5,,4,15.6,7.4,190 2024-05-10 13:00,44.0,8.5,,4,17.4,8.2,194 2024-05-10 14:00,43.0,8.5,,4,13.9,7.4,191 2024-05-10 15:00,44.0,8.5,,4,16.9,8.1,197 2024-05-10 16:00,45.0,8.5,,4,18.8,7.5,196 2024-05-10 17:00,42.0,8.5,,4,14.9,6.9,190 2024-05-10 18:00,41.0,8.5,,4,14.9,6.8,186 2024-05-10 19:00,39.0,8.5,,4,14.2,6.3,189 2024-05-10 20:00,38.0,8.6,,4,15.0,6.8,187 2024-05-10 21:00,37.0,8.6,,4,12.4,5.6,188 2024-05-10 22:00,37.0,8.6,,4,11.5,4.8,187 2024-05-10 23:00,36.0,8.6,,4,10.2,3.9,190 2024-05-11 00:00,36.0,8.6,,4,13.1,4.7,185 2024-05-11 01:00,36.0,8.6,,3,9.7,3.8,188 2024-05-11 02:00,35.0,8.6,,3,11.1,3.0,173 2024-05-11 03:00,34.0,8.6,,3,7.6,2.7,202 2024-05-11 04:00,34.0,8.6,,3,6.6,1.9,165 2024-05-11 05:00,33.0,8.6,,3,3.0,0.8,95 2024-05-11 06:00,35.0,8.6,,3,5.6,1.5,47 2024-05-11 07:00,38.0,8.6,,3,5.7,1.7,45 2024-05-11 08:00,42.0,8.6,,3,5.2,1.8,120 2024-05-11 09:00,43.0,8.6,,3,5.2,1.5,144 2024-05-11 10:00,44.0,8.6,,3,8.2,2.9,199 2024-05-11 11:00,45.0,8.6,,3,7.1,2.8,183 2024-05-11 12:00,45.0,8.6,,3,9.6,3.5,181 2024-05-11 13:00,47.0,8.5,,3,9.3,4.2,167 2024-05-11 14:00,47.0,8.5,,3,7.8,2.7,161 2024-05-11 15:00,46.0,8.5,,3,11.8,3.7,176 2024-05-11 16:00,44.0,8.5,,3,6.3,2.0,120 2024-05-11 17:00,44.0,8.5,,3,5.0,1.7,97 2024-05-11 18:00,44.0,8.5,,3,6.3,2.3,56 2024-05-11 19:00,42.0,8.6,,3,5.2,1.6,28 2024-05-11 20:00,41.0,8.6,,3,3.4,0.8,32 2024-05-11 21:00,39.0,8.6,,3,1.8,0.3,169 2024-05-11 22:00,37.0,8.6,,3,4.2,1.2,101 2024-05-11 23:00,39.0,8.6,,3,6.2,2.3,86 2024-05-12 00:00,37.0,8.6,,3,2.7,0.9,89 2024-05-12 01:00,36.0,8.6,,3,3.1,0.9,89 2024-05-12 02:00,35.0,8.6,,3,2.4,0.3,92 2024-05-12 03:00,34.0,8.6,,3,2.0,0.2,37 2024-05-12 04:00,33.0,8.6,,3,1.6,0.2,9 2024-05-12 05:00,33.0,8.6,,3,1.7,0.4,350 2024-05-12 06:00,35.0,8.6,,3,1.4,0.4,25 2024-05-12 07:00,38.0,8.6,,3,3.7,0.6,189 2024-05-12 08:00,41.0,8.6,,3,5.7,1.6,139 2024-05-12 09:00,45.0,8.6,,3,9.9,4.2,192 2024-05-12 10:00,45.0,8.6,,3,9.7,4.3,195 2024-05-12 11:00,47.0,8.6,,3,11.9,5.7,185 2024-05-12 12:00,49.0,8.5,,3,12.6,5.7,188 2024-05-12 13:00,50.0,8.5,,3,12.5,4.8,228 2024-05-12 14:00,51.0,8.5,,3,12.1,4.6,199 2024-05-12 15:00,52.0,8.4,,3,13.7,6.2,193 2024-05-12 16:00,51.0,8.4,,3,12.4,5.8,183 2024-05-12 17:00,50.0,8.4,,3,12.5,5.5,185 2024-05-12 18:00,50.0,8.4,,3,12.6,6.1,196 2024-05-12 19:00,48.0,8.4,,3,14.7,6.1,197 2024-05-12 20:00,45.0,8.4,,3,11.5,4.7,187 2024-05-12 21:00,42.0,8.5,,3,10.7,4.7,181 2024-05-12 22:00,39.0,8.5,,3,10.9,4.3,182 2024-05-12 23:00,38.0,8.6,,3,9.0,3.3,195 2024-05-13 00:00,36.0,8.6,,3,7.3,2.1,227 2024-05-13 01:00,35.0,8.6,,3,4.6,1.4,198 2024-05-13 02:00,33.0,8.6,,3,4.6,1.4,221 2024-05-13 03:00,31.0,8.6,,3,2.2,0.2,248 2024-05-13 04:00,24.0,8.6,,3,,,