#------------------------------------------------- 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: 2025-04-21 19:00 to 2025-04-24 18:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 1037: Nuka Glacier, 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 # 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 # 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 # K Estimate Estimate # C Correction A different equation has been applied to the original sensor voltage # B Back Estimate Regression-based estimate for homogenizing collocated Snow Course and Snow Pillow data sets # X External Estimate External estimate # S Suspect Suspect data # M Missing Value is missing # # 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 # #------------------------------------------------------------------------------------------------------ # # Nuka Glacier (1037) # Alaska SNOTEL Site - 1230 ft # Reporting Frequency: Hourly; Date Range: 2025-04-21 19:00 to 2025-04-24 18:00 # # As of: Apr 24, 2025, 6:48:56 PM GMT-08:00 # Date,Air Temperature Observed (degF),Precipitation Accumulation (in),Snow Depth (in),Relative Humidity (pct),Solar Radiation Average (watt/m2),Wind Speed Maximum (mph),Wind Speed Average (mph),Wind Direction Average (degree) 2025-04-21 19:00,34.0,70.80,42,97.00,45.78,15.9,12.7,147 2025-04-21 20:00,34.0,70.80,42,96.00,8.04,16.5,13.4,148 2025-04-21 21:00,34.0,70.80,42,96.00,0.19,15.4,10.5,165 2025-04-21 22:00,33.0,70.80,42,97.00,0.40,14.9,10.8,172 2025-04-21 23:00,32.0,70.80,42,100.00,0.38,14.4,10.9,173 2025-04-22 00:00,32.0,70.80,42,100.00,0.29,14.8,11.0,170 2025-04-22 01:00,32.0,70.80,42,100.00,0.32,12.3,9.0,180 2025-04-22 02:00,32.0,70.80,42,99.00,0.19,13.0,9.5,177 2025-04-22 03:00,32.0,70.80,42,99.00,0.16,10.6,7.9,182 2025-04-22 04:00,33.0,70.80,43,98.00,0.28,10.8,7.5,181 2025-04-22 05:00,33.0,70.80,43,99.00,4.50,7.0,4.0,192 2025-04-22 06:00,33.0,70.80,43,98.00,47.78,4.0,1.7,23 2025-04-22 07:00,33.0,70.80,43,99.00,102.90,5.3,2.4,21 2025-04-22 08:00,33.0,70.80,43,95.00,222.10,2.5,0.6,171 2025-04-22 09:00,34.0,70.80,43,92.00,338.80,2.9,1.3,153 2025-04-22 10:00,35.0,70.80,43,89.00,382.50,2.1,0.4,143 2025-04-22 11:00,36.0,70.80,42,87.00,405.20,4.5,2.8,134 2025-04-22 12:00,34.0,70.80,42,92.00,511.00,3.2,1.8,116 2025-04-22 13:00,35.0,70.80,42,91.00,514.20,3.7,1.9,126 2025-04-22 14:00,37.0,70.80,42,88.00,477.80,6.3,2.4,153 2025-04-22 15:00,35.0,70.80,42,93.00,448.00,14.8,7.6,168 2025-04-22 16:00,35.0,70.80,42,90.00,236.60,9.1,4.6,182 2025-04-22 17:00,35.0,70.90,42,94.00,243.10,7.9,3.7,174 2025-04-22 18:00,36.0,70.90,42,91.00,143.90,8.3,4.2,187 2025-04-22 19:00,36.0,70.90,42,91.00,64.82,12.0,7.8,189 2025-04-22 20:00,34.0,70.90,42,95.00,16.79,8.1,3.5,200 2025-04-22 21:00,34.0,70.90,42,93.00,0.00,7.4,5.0,216 2025-04-22 22:00,34.0,71.00,42,94.00,0.00,6.5,4.3,174 2025-04-22 23:00,33.0,71.00,42,95.00,0.00,7.5,5.2,178 2025-04-23 00:00,33.0,71.00,42,98.00,0.10,8.1,4.4,170 2025-04-23 01:00,32.0,71.00,42,99.00,0.01,6.0,3.5,166 2025-04-23 02:00,32.0,70.90,42,99.00,0.00,6.1,2.9,145 2025-04-23 03:00,33.0,70.90,42,96.00,0.00,5.4,2.4,200 2025-04-23 04:00,34.0,70.90,42,92.00,0.00,2.6,0.8,22 2025-04-23 05:00,32.0,70.90,42,97.00,7.82,5.5,3.5,339 2025-04-23 06:00,34.0,70.90,42,90.00,55.71,9.4,4.2,346 2025-04-23 07:00,34.0,70.90,42,83.00,106.80,8.4,5.7,314 2025-04-23 08:00,35.0,70.90,42,84.00,204.90,9.5,5.0,339 2025-04-23 09:00,35.0,70.90,42,88.00,411.90,16.3,9.1,342 2025-04-23 10:00,36.0,70.90,42,83.00,528.20,15.7,11.7,354 2025-04-23 11:00,37.0,70.90,42,81.00,558.50,13.3,8.7,343 2025-04-23 12:00,38.0,70.90,42,78.00,584.60,17.0,11.2,327 2025-04-23 13:00,40.0,70.90,42,66.00,565.70,22.5,15.1,302 2025-04-23 14:00,41.0,70.90,42,66.00,521.90,19.4,13.1,300 2025-04-23 15:00,42.0,70.90,41,63.00,480.70,17.7,12.3,296 2025-04-23 16:00,41.0,70.90,41,65.00,369.80,18.7,13.0,292 2025-04-23 17:00,42.0,70.90,41,64.00,238.20,18.6,10.2,302 2025-04-23 18:00,40.0,70.90,41,71.00,116.80,12.4,5.5,340 2025-04-23 19:00,40.0,70.90,41,71.00,67.36,14.7,7.6,174 2025-04-23 20:00,38.0,70.90,40,81.00,11.36,10.5,7.6,186 2025-04-23 21:00,37.0,70.90,40,81.00,0.00,12.2,8.7,172 2025-04-23 22:00,36.0,70.90,40,90.00,0.00,12.2,8.2,176 2025-04-23 23:00,36.0,70.90,40,94.00,0.00,11.5,7.0,188 2025-04-24 00:00,34.0,70.90,40,94.00,0.00,11.6,8.6,180 2025-04-24 01:00,35.0,70.90,40,92.00,0.00,9.8,6.7,187 2025-04-24 02:00,36.0,70.90,40,71.00,0.00,6.3,3.0,174 2025-04-24 03:00,31.0,70.90,40,82.00,0.00,2.9,1.3,244 2025-04-24 04:00,29.0,70.90,40,90.00,0.00,3.4,1.5,206 2025-04-24 05:00,32.0,70.90,40,78.00,5.29,2.6,1.1,312 2025-04-24 06:00,28.0,70.90,40,88.00,32.21,4.5,1.6,189 2025-04-24 07:00,30.0,70.80,40,84.00,190.40,2.5,0.6,145 2025-04-24 08:00,33.0,70.80,40,73.00,391.80,2.2,0.3,116 2025-04-24 09:00,36.0,70.80,40,69.00,547.40,5.9,3.1,160 2025-04-24 10:00,36.0,70.90,40,75.00,681.60,6.4,4.7,167 2025-04-24 11:00,37.0,70.90,40,73.00,777.60,7.8,5.8,167 2025-04-24 12:00,38.0,70.90,40,70.00,831.00,7.7,5.9,158 2025-04-24 13:00,38.0,70.90,40,71.00,837.00,8.1,6.4,163 2025-04-24 14:00,39.0,70.90,40,72.00,809.00,10.2,7.0,170 2025-04-24 15:00,38.0,70.80,40,79.00,683.10,10.1,7.9,163 2025-04-24 16:00,38.0,70.80,40,79.00,453.40,11.5,8.2,166 2025-04-24 17:00,37.0,70.90,40,82.00,,,,