#------------------------------------------------- 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 04:00 to 2024-05-11 03:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 1318: Hoonah, 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 # Barometric Pressure Value None Instantaneous N/A Inches hg N/A PRES Barometric pressure # 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 # #------------------------------------------------------------------------------------------------------ # # Hoonah (1318) # Alaska SNOTEL Site - 1550 ft # Reporting Frequency: Hourly; Date Range: 2024-05-08 04:00 to 2024-05-11 03:00 # # As of: May 11, 2024, 3:14:01 AM GMT-08:00 # Date,Air Temperature Observed (degF),Precipitation Accumulation (in),Snow Water Equivalent (in),Snow Depth (in),Solar Radiation Average (watt/m2),Barometric Pressure (inch_Hg),Wind Speed Maximum (mph),Wind Speed Average (mph),Wind Direction Average (degree) 2024-05-08 04:00,36.0,52.30,18.5,39,12.52,28.23,3.2,0.9,153 2024-05-08 05:00,36.0,52.40,18.4,39,27.33,28.26,3.0,0.8,154 2024-05-08 06:00,37.0,52.40,18.4,39,79.41,28.26,3.1,0.9,158 2024-05-08 07:00,38.0,52.40,18.4,39,58.85,28.29,3.2,1.0,149 2024-05-08 08:00,38.0,52.40,18.4,39,55.59,28.32,4.8,0.7,153 2024-05-08 09:00,39.0,52.40,18.4,39,106.10,28.38,5.2,0.8,121 2024-05-08 10:00,40.0,52.40,18.3,38,155.00,28.41,5.3,1.4,109 2024-05-08 11:00,40.0,52.40,18.3,38,156.10,28.47,6.7,1.4,130 2024-05-08 12:00,40.0,52.40,18.2,38,158.70,28.50,5.1,1.0,104 2024-05-08 13:00,41.0,52.40,18.2,38,208.90,28.56,5.6,1.2,104 2024-05-08 14:00,42.0,52.40,18.1,38,204.60,28.58,6.3,1.0,112 2024-05-08 15:00,41.0,52.50,18.1,37,256.90,28.62,5.9,1.2,117 2024-05-08 16:00,41.0,52.70,18.0,38,103.30,28.62,4.5,0.8,101 2024-05-08 17:00,40.0,52.40,18.0,38,46.52,28.64,4.2,0.5,130 2024-05-08 18:00,38.0,52.30,18.0,38,23.98,28.64,1.6,0.2,105 2024-05-08 19:00,37.0,52.30,17.9,38,5.41,28.64,1.2,0.1,66 2024-05-08 20:00,37.0,52.30,17.9,38,0.15,28.64,0.7,0.0,140 2024-05-08 21:00,36.0,52.40,17.9,38,0.00,28.67,1.1,0.1,91 2024-05-08 22:00,36.0,52.40,17.9,38,0.00,28.64,3.5,0.5,173 2024-05-08 23:00,35.0,52.40,17.9,38,0.00,28.64,5.8,1.0,185 2024-05-09 00:00,35.0,52.40,17.9,38,0.00,28.62,4.8,1.5,198 2024-05-09 01:00,35.0,52.40,17.9,38,0.04,28.58,6.1,1.8,190 2024-05-09 02:00,34.0,52.50,18.0,38,0.03,28.56,5.6,2.1,181 2024-05-09 03:00,36.0,52.60,18.0,38,0.15,28.56,6.7,2.2,190 2024-05-09 04:00,37.0,52.70,18.0,38,3.84,28.53,6.7,1.8,180 2024-05-09 05:00,39.0,52.90,18.0,37,11.23,28.53,3.2,1.0,173 2024-05-09 06:00,40.0,53.00,18.0,37,28.03,28.53,3.2,1.2,174 2024-05-09 07:00,41.0,53.40,18.0,37,55.32,28.50,5.1,1.4,170 2024-05-09 08:00,41.0,53.90,18.0,37,37.43,28.50,5.3,1.1,161 2024-05-09 09:00,42.0,53.70,18.0,37,79.43,28.47,3.4,1.0,159 2024-05-09 10:00,43.0,53.80,18.0,37,104.20,28.47,3.4,0.9,163 2024-05-09 11:00,44.0,54.20,18.0,37,97.90,28.47,3.4,0.7,161 2024-05-09 12:00,44.0,53.90,18.0,37,92.50,28.47,4.8,0.7,151 2024-05-09 13:00,44.0,54.10,17.9,37,86.90,28.47,2.3,0.7,152 2024-05-09 14:00,44.0,54.00,17.9,36,70.14,28.44,3.0,0.7,142 2024-05-09 15:00,44.0,54.00,17.8,36,22.06,28.41,6.0,1.1,107 2024-05-09 16:00,43.0,54.00,17.8,36,16.09,28.44,5.7,1.6,101 2024-05-09 17:00,42.0,54.00,17.9,36,11.12,28.44,6.5,1.5,105 2024-05-09 18:00,40.0,54.00,18.0,36,21.55,28.44,4.5,1.1,105 2024-05-09 19:00,39.0,54.00,17.8,36,6.71,28.47,5.1,0.8,97 2024-05-09 20:00,39.0,53.90,17.8,36,0.33,28.47,8.6,1.3,169 2024-05-09 21:00,38.0,54.00,17.7,36,0.00,28.50,3.2,0.7,124 2024-05-09 22:00,37.0,54.00,17.6,36,0.00,28.53,6.6,1.2,122 2024-05-09 23:00,36.0,53.90,17.6,36,0.00,28.53,6.5,1.2,135 2024-05-10 00:00,34.0,54.00,17.5,36,0.00,28.56,7.2,1.2,206 2024-05-10 01:00,34.0,54.00,17.5,36,0.00,28.56,4.7,0.7,120 2024-05-10 02:00,33.0,53.90,17.4,36,0.00,28.58,2.7,0.5,101 2024-05-10 03:00,33.0,54.00,17.4,36,0.88,28.58,3.3,0.4,108 2024-05-10 04:00,33.0,54.00,17.4,36,12.63,28.58,2.8,0.6,111 2024-05-10 05:00,33.0,54.00,17.3,36,35.78,28.62,6.3,0.7,126 2024-05-10 06:00,34.0,54.00,17.3,36,66.17,28.62,5.3,0.7,151 2024-05-10 07:00,34.0,54.10,17.2,36,121.40,28.62,5.5,0.7,168 2024-05-10 08:00,36.0,54.10,17.2,36,104.40,28.64,5.0,0.8,188 2024-05-10 09:00,38.0,54.40,17.2,36,234.00,28.64,5.9,1.0,212 2024-05-10 10:00,38.0,55.20,17.2,36,312.50,28.64,4.1,0.6,190 2024-05-10 11:00,39.0,54.40,17.2,35,473.30,28.62,6.4,1.1,179 2024-05-10 12:00,40.0,54.80,17.1,36,531.10,28.62,6.1,1.5,210 2024-05-10 13:00,41.0,54.50,17.0,35,509.20,28.62,6.0,1.4,188 2024-05-10 14:00,41.0,54.80,17.0,35,506.50,28.62,8.4,1.9,194 2024-05-10 15:00,42.0,54.80,16.9,34,347.30,28.62,8.2,2.0,217 2024-05-10 16:00,40.0,54.50,16.8,35,423.50,28.58,6.3,1.6,208 2024-05-10 17:00,42.0,54.60,16.8,35,223.80,28.58,5.4,1.4,303 2024-05-10 18:00,39.0,54.10,16.7,34,145.60,28.56,5.8,1.8,340 2024-05-10 19:00,37.0,54.10,16.6,34,12.41,28.56,5.5,1.8,349 2024-05-10 20:00,34.0,54.10,16.6,34,0.27,28.56,5.2,2.3,1 2024-05-10 21:00,35.0,54.10,16.6,34,0.00,28.53,4.3,1.9,353 2024-05-10 22:00,34.0,54.00,16.6,34,0.00,28.53,3.6,1.7,360 2024-05-10 23:00,33.0,54.10,16.6,34,0.00,28.50,3.4,1.5,359 2024-05-11 00:00,34.0,54.00,16.6,33,0.00,28.50,4.0,1.3,356 2024-05-11 01:00,32.0,54.10,16.6,34,,28.50,,,