#------------------------------------------------- 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: 2024-05-09 21:00 to 2024-05-12 20:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 957: Atigun Pass, 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 # 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 # #------------------------------------------------------------------------------------------------------ # # Atigun Pass (957) # Alaska SNOTEL Site - 4800 ft # Reporting Frequency: Hourly; Date Range: 2024-05-09 21:00 to 2024-05-12 20:00 # # As of: May 12, 2024, 8:01:15 PM GMT-08:00 # Date,Air Temperature Observed (degF),Precipitation Accumulation (in),Snow Depth (in),Solar Radiation Average (watt/m2),Wind Speed Maximum (mph),Wind Speed Average (mph),Wind Direction Average (degree) 2024-05-09 21:00,26.0,8.80,43,25.53,7.4,4.0,120 2024-05-09 22:00,27.0,8.80,43,7.64,4.4,2.1,114 2024-05-09 23:00,27.0,8.80,43,1.09,6.0,1.8,104 2024-05-10 00:00,26.0,8.80,43,0.13,6.0,2.2,118 2024-05-10 01:00,26.0,8.80,43,0.20,5.6,2.5,122 2024-05-10 02:00,25.0,8.80,43,1.66,6.3,3.7,124 2024-05-10 03:00,25.0,8.80,43,9.26,7.1,3.7,124 2024-05-10 04:00,25.0,8.70,43,28.81,4.6,1.5,117 2024-05-10 05:00,25.0,8.80,43,70.58,2.6,0.7,89 2024-05-10 06:00,28.0,8.80,43,131.10,3.5,2.1,338 2024-05-10 07:00,28.0,8.80,42,183.50,5.1,2.0,116 2024-05-10 08:00,29.0,8.80,42,296.80,4.9,1.6,115 2024-05-10 09:00,31.0,8.90,42,485.50,6.3,1.7,116 2024-05-10 10:00,34.0,8.90,42,567.30,8.3,4.7,155 2024-05-10 11:00,29.0,8.90,42,617.50,9.7,6.9,149 2024-05-10 12:00,31.0,8.90,42,683.60,9.6,5.7,136 2024-05-10 13:00,32.0,8.90,42,400.70,11.3,7.0,161 2024-05-10 14:00,32.0,8.90,42,449.60,11.3,9.3,181 2024-05-10 15:00,31.0,8.90,42,327.20,9.5,7.5,183 2024-05-10 16:00,31.0,8.80,42,212.80,11.3,6.7,171 2024-05-10 17:00,30.0,8.90,42,221.90,11.2,6.9,187 2024-05-10 18:00,29.0,8.80,42,288.30,11.3,5.5,158 2024-05-10 19:00,27.0,8.90,42,72.25,12.3,6.6,4 2024-05-10 20:00,24.0,8.90,42,14.58,7.1,2.7,307 2024-05-10 21:00,23.0,9.00,43,6.75,4.9,3.6,314 2024-05-10 22:00,21.0,9.00,44,3.47,5.4,3.7,324 2024-05-10 23:00,21.0,9.00,45,0.86,4.0,2.2,325 2024-05-11 00:00,22.0,9.10,45,0.00,11.3,6.5,174 2024-05-11 01:00,25.0,9.10,45,0.37,10.9,8.1,175 2024-05-11 02:00,25.0,9.10,45,1.53,9.8,8.2,172 2024-05-11 03:00,25.0,9.10,45,6.06,9.2,6.1,183 2024-05-11 04:00,24.0,9.10,45,40.63,8.0,3.3,172 2024-05-11 05:00,24.0,9.10,45,89.90,10.6,3.7,198 2024-05-11 06:00,24.0,9.20,45,152.70,9.3,6.1,171 2024-05-11 07:00,24.0,9.20,47,202.20,7.7,4.0,161 2024-05-11 08:00,26.0,9.20,47,368.70,7.0,4.4,173 2024-05-11 09:00,26.0,9.20,47,268.90,5.3,3.4,159 2024-05-11 10:00,26.0,9.30,47,472.90,5.6,2.9,165 2024-05-11 11:00,30.0,9.30,47,499.90,7.4,4.6,173 2024-05-11 12:00,28.0,9.30,46,452.40,8.7,6.1,175 2024-05-11 13:00,28.0,9.30,45,473.40,6.7,4.9,168 2024-05-11 14:00,30.0,9.30,45,372.40,7.8,4.8,172 2024-05-11 15:00,26.0,9.30,45,275.50,8.7,6.3,174 2024-05-11 16:00,27.0,9.40,45,355.00,6.2,2.4,162 2024-05-11 17:00,36.0,9.40,46,405.30,4.7,2.3,133 2024-05-11 18:00,34.0,9.50,47,256.00,5.4,1.2,141 2024-05-11 19:00,26.0,9.40,47,140.20,6.0,2.6,147 2024-05-11 20:00,25.0,9.40,47,57.80,3.4,1.7,152 2024-05-11 21:00,24.0,9.40,47,21.33,1.6,0.7,129 2024-05-11 22:00,24.0,9.40,48,5.70,2.1,0.3,350 2024-05-11 23:00,24.0,9.40,48,1.19,2.1,0.3,87 2024-05-12 00:00,24.0,9.40,48,0.23,2.7,0.6,114 2024-05-12 01:00,23.0,9.40,48,0.36,2.5,0.4,115 2024-05-12 02:00,23.0,9.40,48,1.43,3.4,1.0,118 2024-05-12 03:00,23.0,9.40,49,6.50,2.8,0.7,112 2024-05-12 04:00,23.0,9.40,49,21.68,2.4,0.6,112 2024-05-12 05:00,23.0,9.40,49,54.12,2.7,0.7,114 2024-05-12 06:00,26.0,9.40,48,117.10,3.2,1.4,1 2024-05-12 07:00,26.0,9.40,48,125.10,2.6,1.5,352 2024-05-12 08:00,25.0,9.40,48,229.50,4.7,2.0,359 2024-05-12 09:00,26.0,9.40,48,319.90,4.3,2.9,170 2024-05-12 10:00,28.0,9.40,48,446.80,4.2,2.3,180 2024-05-12 11:00,36.0,9.40,47,525.20,5.7,2.1,120 2024-05-12 12:00,30.0,9.50,47,695.10,6.9,4.4,120 2024-05-12 13:00,29.0,9.50,47,655.70,6.4,4.2,122 2024-05-12 14:00,30.0,9.50,47,510.10,7.5,3.0,155 2024-05-12 15:00,28.0,9.50,47,448.90,7.1,2.8,357 2024-05-12 16:00,36.0,9.40,47,393.10,7.3,2.1,347 2024-05-12 17:00,25.0,9.50,46,207.20,8.4,5.8,23 2024-05-12 18:00,24.0,9.40,46,,,,