#------------------------------------------------- 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 10:00 to 2024-05-13 09:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 987: Port Graham, 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 # #------------------------------------------------------------------------------------------------------ # # Port Graham (987) # Alaska SNOTEL Site - 300 ft # Reporting Frequency: Hourly; Date Range: 2024-05-10 10:00 to 2024-05-13 09:00 # # As of: May 13, 2024, 9:48:20 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) 2024-05-10 10:00,37.0,48.8,,,122.30,29.65,13.2,3.1,191 2024-05-10 11:00,37.0,48.9,,,145.10,29.62,12.4,3.5,182 2024-05-10 12:00,38.0,48.9,,,145.40,29.62,11.0,3.3,181 2024-05-10 13:00,38.0,49.0,,,133.40,29.59,8.7,2.5,170 2024-05-10 14:00,38.0,49.0,,,152.00,29.56,10.4,2.7,156 2024-05-10 15:00,39.0,49.1,,,117.90,29.53,11.5,3.6,187 2024-05-10 16:00,39.0,49.2,,,110.30,29.50,9.6,3.1,186 2024-05-10 17:00,39.0,49.2,,,73.24,29.47,10.3,3.8,170 2024-05-10 18:00,38.0,49.3,,,50.42,29.44,11.8,2.9,186 2024-05-10 19:00,38.0,49.4,,,26.58,29.41,10.7,3.3,186 2024-05-10 20:00,38.0,49.5,,,7.34,29.38,10.3,4.3,168 2024-05-10 21:00,38.0,49.5,,,0.87,29.35,8.6,2.5,173 2024-05-10 22:00,38.0,49.5,,,0.05,29.32,6.6,1.5,208 2024-05-10 23:00,38.0,49.6,,,0.03,29.32,7.0,2.4,194 2024-05-11 00:00,37.0,49.7,0.0,0,0.04,29.29,5.5,1.6,248 2024-05-11 01:00,37.0,49.8,,,0.03,29.29,3.2,0.7,302 2024-05-11 02:00,37.0,49.9,,,0.04,29.26,2.0,0.3,223 2024-05-11 03:00,37.0,50.0,,,0.05,29.26,3.7,1.1,84 2024-05-11 04:00,37.0,50.1,,,0.36,29.24,3.0,0.3,43 2024-05-11 05:00,34.0,50.2,,,4.95,29.24,0.0,0.0,0 2024-05-11 06:00,34.0,50.3,,,24.90,29.20,2.0,0.1,141 2024-05-11 07:00,34.0,50.4,,,77.64,29.20,3.9,1.0,119 2024-05-11 08:00,35.0,50.4,,,175.20,29.18,4.4,1.3,76 2024-05-11 09:00,37.0,50.4,,,256.50,29.18,5.0,1.6,67 2024-05-11 10:00,40.0,50.4,,,284.50,29.18,5.4,1.7,5 2024-05-11 11:00,42.0,50.3,,,231.60,29.18,5.8,1.8,352 2024-05-11 12:00,41.0,50.3,,,300.80,29.20,4.8,2.0,8 2024-05-11 13:00,43.0,50.3,,,284.80,29.20,5.1,1.3,3 2024-05-11 14:00,43.0,50.3,,,313.00,29.20,5.5,1.8,171 2024-05-11 15:00,43.0,50.3,,,258.40,29.20,5.6,1.6,298 2024-05-11 16:00,41.0,50.3,,,249.00,29.20,5.2,1.8,283 2024-05-11 17:00,41.0,50.3,,,150.10,29.20,5.2,1.1,278 2024-05-11 18:00,41.0,50.4,,,77.02,29.20,4.4,1.5,87 2024-05-11 19:00,40.0,50.4,,,50.24,29.24,3.4,1.1,138 2024-05-11 20:00,39.0,50.4,,,17.53,29.24,2.9,1.4,150 2024-05-11 21:00,39.0,50.5,,,2.32,29.24,3.6,1.5,149 2024-05-11 22:00,38.0,50.5,,,0.07,29.26,3.9,1.4,147 2024-05-11 23:00,38.0,50.5,,,0.04,29.26,3.9,1.4,132 2024-05-12 00:00,38.0,50.5,0.0,0,0.04,29.26,5.4,2.1,157 2024-05-12 01:00,38.0,50.5,,,0.03,29.26,4.5,1.2,163 2024-05-12 02:00,37.0,50.5,,,0.04,29.29,3.4,1.0,169 2024-05-12 03:00,37.0,50.5,,,0.05,29.29,3.2,0.6,200 2024-05-12 04:00,37.0,50.5,,,0.97,29.29,0.8,0.1,199 2024-05-12 05:00,37.0,50.5,,,12.39,29.29,3.0,0.4,158 2024-05-12 06:00,38.0,50.5,,,47.42,29.32,4.2,1.9,115 2024-05-12 07:00,38.0,50.5,,,61.68,29.32,3.3,1.0,82 2024-05-12 08:00,39.0,50.6,,,131.70,29.32,3.4,1.6,95 2024-05-12 09:00,40.0,50.6,,,248.20,29.32,4.4,1.4,344 2024-05-12 10:00,42.0,50.5,,,399.70,29.32,5.8,1.3,308 2024-05-12 11:00,44.0,50.5,,,522.50,29.35,5.2,2.0,307 2024-05-12 12:00,44.0,50.5,,,766.00,29.35,6.9,2.5,306 2024-05-12 13:00,46.0,50.4,,,235.60,29.35,5.8,2.1,316 2024-05-12 14:00,43.0,50.5,,,187.30,29.35,6.2,1.9,339 2024-05-12 15:00,43.0,50.5,,,310.80,29.38,4.7,1.7,318 2024-05-12 16:00,43.0,50.5,,,190.80,29.35,5.2,1.5,310 2024-05-12 17:00,42.0,50.5,,,153.50,29.35,8.0,2.0,132 2024-05-12 18:00,41.0,50.5,,,188.00,29.38,6.5,2.5,158 2024-05-12 19:00,41.0,50.5,,,64.17,29.35,5.7,1.1,188 2024-05-12 20:00,41.0,50.6,,,36.76,29.35,7.8,3.2,173 2024-05-12 21:00,40.0,50.6,,,4.89,29.38,6.4,1.8,190 2024-05-12 22:00,38.0,50.6,,,0.14,29.38,4.2,0.8,152 2024-05-12 23:00,37.0,50.6,,,0.02,29.38,3.9,1.5,144 2024-05-13 00:00,36.0,50.6,0.0,0,0.03,29.38,2.2,0.8,183 2024-05-13 01:00,34.0,50.6,,,0.04,29.38,3.2,1.3,192 2024-05-13 02:00,35.0,50.6,,,0.04,29.38,2.2,0.8,193 2024-05-13 03:00,36.0,50.6,,,0.06,29.38,2.5,0.8,187 2024-05-13 04:00,37.0,50.6,,,2.23,29.41,1.8,0.5,169 2024-05-13 05:00,37.0,50.6,,,25.15,29.41,4.7,0.9,171 2024-05-13 06:00,38.0,50.6,,,164.50,29.41,3.0,0.8,38 2024-05-13 07:00,42.0,50.6,,,265.80,29.44,3.5,0.8,289 2024-05-13 08:00,44.0,50.6,,,,29.44,,,