#------------------------------------------------- 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: 2025-07-09 18:00 to 2025-07-12 17:00 # # Data for the following site(s) are contained in this file: # # SNOTEL 959: Cooper Lake, 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 # # 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 # #------------------------------------------------------------------------------------------------------ # # Cooper Lake (959) # Alaska SNOTEL Site - 1150 ft # Reporting Frequency: Hourly; Date Range: 2025-07-09 18:00 to 2025-07-12 17:00 # # As of: Jul 12, 2025, 5:51:44 PM 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) 2025-07-09 18:00,55.0,30.50,0.0,,107.30,28.73 2025-07-09 19:00,54.0,30.50,0.0,,37.86,28.73 2025-07-09 20:00,54.0,30.50,0.0,,32.40,28.73 2025-07-09 21:00,52.0,30.50,0.0,,11.26,28.70 2025-07-09 22:00,53.0,30.50,0.0,,0.37,28.70 2025-07-09 23:00,51.0,30.50,0.0,,0.00,28.70 2025-07-10 00:00,49.0,30.50,0.0,0,0.00,28.70 2025-07-10 01:00,49.0,30.50,0.0,,0.00,28.70 2025-07-10 02:00,49.0,30.50,0.0,,0.00,28.70 2025-07-10 03:00,49.0,30.50,0.0,,0.12,28.67 2025-07-10 04:00,49.0,30.50,0.0,,4.21,28.64 2025-07-10 05:00,50.0,30.50,0.0,,23.62,28.64 2025-07-10 06:00,49.0,30.50,0.0,,71.63,28.62 2025-07-10 07:00,51.0,30.50,0.0,,91.10,28.62 2025-07-10 08:00,51.0,30.50,0.0,,124.90,28.58 2025-07-10 09:00,52.0,30.50,0.0,,162.30,28.58 2025-07-10 10:00,53.0,30.50,,,196.90,28.56 2025-07-10 11:00,54.0,30.50,,,277.00,28.56 2025-07-10 12:00,55.0,30.50,,,234.70,28.53 2025-07-10 13:00,54.0,30.50,0.0,,161.40,28.53 2025-07-10 14:00,54.0,30.50,0.0,,174.10,28.50 2025-07-10 15:00,54.0,30.50,0.0,,206.20,28.50 2025-07-10 16:00,54.0,30.50,0.0,,101.20,28.50 2025-07-10 17:00,49.0,30.50,0.0,,83.70,28.47 2025-07-10 18:00,49.0,30.50,0.0,,31.60,28.47 2025-07-10 19:00,47.0,30.50,0.0,,23.06,28.47 2025-07-10 20:00,47.0,30.50,0.0,,17.23,28.44 2025-07-10 21:00,46.0,30.50,0.0,,7.55,28.44 2025-07-10 22:00,45.0,30.50,0.0,,1.21,28.44 2025-07-10 23:00,45.0,30.50,0.0,,0.00,28.44 2025-07-11 00:00,45.0,30.50,0.0,,0.00,28.44 2025-07-11 01:00,45.0,30.50,0.0,,0.00,28.44 2025-07-11 02:00,45.0,30.50,0.0,,0.00,28.44 2025-07-11 03:00,46.0,30.50,0.0,,0.21,28.44 2025-07-11 04:00,45.0,30.50,0.0,,3.98,28.44 2025-07-11 05:00,46.0,30.50,0.0,,22.46,28.44 2025-07-11 06:00,46.0,30.50,0.0,,63.87,28.44 2025-07-11 07:00,48.0,30.50,0.0,,62.88,28.47 2025-07-11 08:00,49.0,30.50,0.0,,141.10,28.47 2025-07-11 09:00,52.0,30.50,0.0,,180.10,28.47 2025-07-11 10:00,54.0,30.50,0.0,,225.00,28.47 2025-07-11 11:00,57.0,30.50,0.0,,175.90,28.47 2025-07-11 12:00,59.0,30.50,,,438.30,28.50 2025-07-11 13:00,62.0,30.50,,,511.30,28.50 2025-07-11 14:00,60.0,30.50,,,490.30,28.50 2025-07-11 15:00,63.0,30.50,,,528.90,28.50 2025-07-11 16:00,62.0,30.50,0.0,,591.80,28.50 2025-07-11 17:00,62.0,30.50,0.0,,221.40,28.50 2025-07-11 18:00,60.0,30.50,0.0,,72.77,28.53 2025-07-11 19:00,57.0,30.50,0.0,,42.90,28.53 2025-07-11 20:00,57.0,30.50,0.0,,34.54,28.56 2025-07-11 21:00,55.0,30.50,0.0,,9.39,28.56 2025-07-11 22:00,54.0,30.50,0.0,,0.52,28.58 2025-07-11 23:00,53.0,30.50,0.0,,0.00,28.62 2025-07-12 00:00,51.0,30.50,0.0,,0.00,28.62 2025-07-12 01:00,51.0,30.50,0.0,,0.00,28.64 2025-07-12 02:00,50.0,30.50,0.0,,0.00,28.64 2025-07-12 03:00,49.0,30.50,0.0,,0.54,28.64 2025-07-12 04:00,49.0,30.50,0.0,,7.13,28.67 2025-07-12 05:00,47.0,30.50,0.0,,29.18,28.70 2025-07-12 06:00,49.0,30.50,0.0,,66.10,28.70 2025-07-12 07:00,50.0,30.50,0.0,,93.70,28.70 2025-07-12 08:00,50.0,30.50,0.0,,95.30,28.73 2025-07-12 09:00,52.0,30.50,0.0,,131.60,28.73 2025-07-12 10:00,53.0,30.50,0.0,,237.70,28.76 2025-07-12 11:00,55.0,30.50,,,286.60,28.76 2025-07-12 12:00,57.0,30.50,,,329.50,28.76 2025-07-12 13:00,59.0,30.50,,,277.80,28.79 2025-07-12 14:00,59.0,30.50,,,282.40,28.79 2025-07-12 15:00,60.0,30.50,,,255.80,28.79 2025-07-12 16:00,61.0,30.50,,,,28.79