#------------------------------------------------- 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: FPACITServiceDesk@usda.gov # #------------------------------------------------------------------------------------------------------ # # Reporting Frequency: Daily # Date Range: 2025-10-01 to 2026-08-17 # Report Instantaneous Data As: Start of Day # # Data for the following site(s) are contained in this file: # # SNOTEL 948: Mt. Ryan, AK # # Data items provided in this file: # # Element Name Value Type Function Type Function Duration Base Data Measurement Units Sensor Depth Element Code Description # Snow Water Equivalent Value None Instantaneous - Start of Day N/A Inches N/A WTEQ Depth of water that would theoretically result if the entire snowpack were melted instantaneously # Snow Water Equivalent Delta None Instantaneous - Start of Day 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 - Start of Day N/A Inches N/A SNWD Total snow depth # Snow Depth Delta None Instantaneous - Start of Day N/A Inches N/A SNWD Total snow depth # # 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 # #------------------------------------------------------------------------------------------------------ # # Mt. Ryan (948) # Alaska SNOTEL Site - 2750 ft # Reporting Frequency: Daily; Date Range: 2025-10-01 to 2026-08-17 # # As of: Aug 17, 2026, 12:43:14 PM GMT-08:00 # Date,Snow Water Equivalent (in) Start of Day Values,Change In Snow Water Equivalent (in),Snow Depth (in) Start of Day Values,Change In Snow Depth (in) 2025-10-01,0.0,0.0,0,0 2025-10-02,0.0,0.0,0,0 2025-10-03,0.4,0.4,2,2 2025-10-04,1.0,0.6,7,5 2025-10-05,1.1,0.1,7,0 2025-10-06,1.2,0.1,4,-3 2025-10-07,0.9,-0.3,2,-2 2025-10-08,0.6,-0.3,1,-1 2025-10-09,0.0,-0.6,0,-1 2025-10-10,0.0,0.0,0,0 2025-10-11,0.3,0.3,2,2 2025-10-12,0.4,0.1,2,0 2025-10-13,0.4,0.0,2,0 2025-10-14,0.5,0.1,1,-1 2025-10-15,0.5,0.0,2,1 2025-10-16,0.6,0.1,2,0 2025-10-17,0.8,0.2,4,2 2025-10-18,0.9,0.1,4,0 2025-10-19,1.0,0.1,5,1 2025-10-20,1.0,0.0,5,0 2025-10-21,1.0,0.0,5,0 2025-10-22,1.0,0.0,5,0 2025-10-23,1.2,0.2,4,-1 2025-10-24,1.2,0.0,4,0 2025-10-25,1.3,0.1,5,1 2025-10-26,1.3,0.0,5,0 2025-10-27,1.3,0.0,7,2 2025-10-28,1.3,0.0,7,0 2025-10-29,1.3,0.0,7,0 2025-10-30,1.5,0.2,6,-1 2025-10-31,1.5,0.0,6,0 2025-11-01,1.6,0.1,8,2 2025-11-02,1.6,0.0,8,0 2025-11-03,1.6,0.0,8,0 2025-11-04,1.6,0.0,7,-1 2025-11-05,1.6,0.0,7,0 2025-11-06,1.9,0.3,10,3 2025-11-07,1.9,0.0,10,0 2025-11-08,1.8,-0.1,10,0 2025-11-09,1.9,0.1,9,-1 2025-11-10,1.9,0.0,9,0 2025-11-11,1.9,0.0,10,1 2025-11-12,1.9,0.0,9,-1 2025-11-13,2.0,0.1,9,0 2025-11-14,2.0,0.0,9,0 2025-11-15,2.0,0.0,10,1 2025-11-16,2.0,0.0,10,0 2025-11-17,2.0,0.0,10,0 2025-11-18,2.0,0.0,10,0 2025-11-19,2.0,0.0,10,0 2025-11-20,2.0,0.0,9,-1 2025-11-21,2.0,0.0,9,0 2025-11-22,2.1,0.1,10,1 2025-11-23,2.2,0.1,12,2 2025-11-24,2.2,0.0,12,0 2025-11-25,2.3,0.1,13,1 2025-11-26,2.3,0.0,14,1 2025-11-27,2.3,0.0,13,-1 2025-11-28,2.3,0.0,13,0 2025-11-29,2.3,0.0,13,0 2025-11-30,2.4,0.1,13,0 2025-12-01,2.4,0.0,13,0 2025-12-02,2.4,0.0,13,0 2025-12-03,2.6,0.2,15,2 2025-12-04,2.8,0.2,19,4 2025-12-05,2.8,0.0,19,0 2025-12-06,2.8,0.0,18,-1 2025-12-07,2.8,0.0,16,-2 2025-12-08,2.8,0.0,16,0 2025-12-09,2.8,0.0,16,0 2025-12-10,2.8,0.0,16,0 2025-12-11,2.8,0.0,16,0 2025-12-12,2.8,0.0,16,0 2025-12-13,3.3,0.5,23,7 2025-12-14,3.3,0.0,22,-1 2025-12-15,3.3,0.0,20,-2 2025-12-16,3.3,0.0,20,0 2025-12-17,3.3,0.0,20,0 2025-12-18,3.3,0.0,19,-1 2025-12-19,3.3,0.0,19,0 2025-12-20,3.3,0.0,19,0 2025-12-21,3.3,0.0,19,0 2025-12-22,3.3,0.0,18,-1 2025-12-23,3.3,0.0,18,0 2025-12-24,3.3,0.0,18,0 2025-12-25,3.5,0.2,25,7 2025-12-26,3.5,0.0,22,-3 2025-12-27,3.5,0.0,22,0 2025-12-28,3.5,0.0,22,0 2025-12-29,3.5,0.0,21,-1 2025-12-30,3.5,0.0,20,-1 2025-12-31,3.5,0.0,20,0 2026-01-01,3.5,0.0,20,0 2026-01-02,3.5,0.0,20,0 2026-01-03,3.6,0.1,19,-1 2026-01-04,3.6,0.0,19,0 2026-01-05,3.6,0.0,19,0 2026-01-06,3.6,0.0,19,0 2026-01-07,3.8,0.2,19,0 2026-01-08,3.9,0.1,20,1 2026-01-09,3.9,0.0,20,0 2026-01-10,4.0,0.1,22,2 2026-01-11,4.2,0.2,22,0 2026-01-12,4.2,0.0,22,0 2026-01-13,4.3,0.1,24,2 2026-01-14,4.3,0.0,25,1 2026-01-15,4.3,0.0,25,0 2026-01-16,4.3,0.0,25,0 2026-01-17,4.4,0.1,25,0 2026-01-18,4.4,0.0,24,-1 2026-01-19,4.4,0.0,24,0 2026-01-20,4.6,0.2,23,-1 2026-01-21,4.6,0.0,24,1 2026-01-22,4.6,0.0,24,0 2026-01-23,4.6,0.0,24,0 2026-01-24,4.6,0.0,24,0 2026-01-25,4.7,0.1,21,-3 2026-01-26,4.7,0.0,21,0 2026-01-27,4.7,0.0,21,0 2026-01-28,4.7,0.0,24,3 2026-01-29,4.7,0.0,22,-2 2026-01-30,4.7,0.0,22,0 2026-01-31,4.7,0.0,22,0 2026-02-01,4.8,0.1,24,2 2026-02-02,4.8,0.0,24,0 2026-02-03,4.8,0.0,24,0 2026-02-04,4.9,0.1,25,1 2026-02-05,4.9,0.0,25,0 2026-02-06,4.9,0.0,25,0 2026-02-07,4.9,0.0,24,-1 2026-02-08,4.9,0.0,24,0 2026-02-09,4.9,0.0,24,0 2026-02-10,4.9,0.0,24,0 2026-02-11,5.0,0.1,24,0 2026-02-12,5.0,0.0,23,-1 2026-02-13,5.1,0.1,25,2 2026-02-14,5.2,0.1,27,2 2026-02-15,5.4,0.2,31,4 2026-02-16,5.6,0.2,31,0 2026-02-17,5.7,0.1,31,0 2026-02-18,5.7,0.0,29,-2 2026-02-19,6.0,0.3,32,3 2026-02-20,6.0,0.0,35,3 2026-02-21,6.0,0.0,34,-1 2026-02-22,6.0,0.0,34,0 2026-02-23,6.4,0.4,36,2 2026-02-24,6.9,0.5,38,2 2026-02-25,7.1,0.2,40,2 2026-02-26,7.1,0.0,40,0 2026-02-27,7.1,0.0,40,0 2026-02-28,7.1,0.0,39,-1 2026-03-01,7.1,0.0,38,-1 2026-03-02,7.1,0.0,38,0 2026-03-03,7.2,0.1,38,0 2026-03-04,7.2,0.0,37,-1 2026-03-05,7.2,0.0,37,0 2026-03-06,7.2,0.0,37,0 2026-03-07,7.2,0.0,36,-1 2026-03-08,7.3,0.1,35,-1 2026-03-09,7.3,0.0,37,2 2026-03-10,7.3,0.0,36,-1 2026-03-11,7.3,0.0,36,0 2026-03-12,7.3,0.0,36,0 2026-03-13,7.3,0.0,36,0 2026-03-14,7.3,0.0,36,0 2026-03-15,7.3,0.0,36,0 2026-03-16,7.3,0.0,36,0 2026-03-17,7.3,0.0,36,0 2026-03-18,7.3,0.0,36,0 2026-03-19,7.3,0.0,36,0 2026-03-20,7.3,0.0,36,0 2026-03-21,7.3,0.0,35,-1 2026-03-22,7.3,0.0,35,0 2026-03-23,7.3,0.0,35,0 2026-03-24,7.3,0.0,35,0 2026-03-25,7.3,0.0,35,0 2026-03-26,7.3,0.0,35,0 2026-03-27,7.3,0.0,35,0 2026-03-28,7.3,0.0,35,0 2026-03-29,7.3,0.0,35,0 2026-03-30,7.3,0.0,34,-1 2026-03-31,7.4,0.1,34,0 2026-04-01,7.4,0.0,34,0 2026-04-02,7.4,0.0,34,0 2026-04-03,7.4,0.0,33,-1 2026-04-04,7.4,0.0,33,0 2026-04-05,7.4,0.0,33,0 2026-04-06,7.4,0.0,33,0 2026-04-07,7.4,0.0,33,0 2026-04-08,7.4,0.0,32,-1 2026-04-09,7.4,0.0,32,0 2026-04-10,7.4,0.0,32,0 2026-04-11,7.5,0.1,34,2 2026-04-12,7.6,0.1,34,0 2026-04-13,7.7,0.1,32,-2 2026-04-14,7.7,0.0,35,3 2026-04-15,7.6,-0.1,35,0 2026-04-16,7.6,0.0,34,-1 2026-04-17,7.7,0.1,34,0 2026-04-18,7.8,0.1,34,0 2026-04-19,8.1,0.3,37,3 2026-04-20,8.4,0.3,39,2 2026-04-21,8.6,0.2,40,1 2026-04-22,8.9,0.3,43,3 2026-04-23,8.9,0.0,42,-1 2026-04-24,8.9,0.0,39,-3 2026-04-25,8.9,0.0,36,-3 2026-04-26,8.6,-0.3,34,-2 2026-04-27,8.5,-0.1,33,-1 2026-04-28,8.4,-0.1,32,-1 2026-04-29,8.2,-0.2,32,0 2026-04-30,8.2,0.0,32,0 2026-05-01,8.2,0.0,31,-1 2026-05-02,8.2,0.0,30,-1 2026-05-03,8.1,-0.1,29,-1 2026-05-04,8.1,0.0,26,-3 2026-05-05,8.0,-0.1,25,-1 2026-05-06,7.4,-0.6,21,-4 2026-05-07,7.0,-0.4,19,-2 2026-05-08,7.0,0.0,19,0 2026-05-09,7.0,0.0,19,0 2026-05-10,6.6,-0.4,18,-1 2026-05-11,6.3,-0.3,16,-2 2026-05-12,6.2,-0.1,16,0 2026-05-13,5.7,-0.5,15,-1 2026-05-14,5.1,-0.6,13,-2 2026-05-15,4.4,-0.7,12,-1 2026-05-16,4.0,-0.4,10,-2 2026-05-17,3.6,-0.4,9,-1 2026-05-18,2.8,-0.8,8,-1 2026-05-19,2.2,-0.6,7,-1 2026-05-20,1.6,-0.6,5,-2 2026-05-21,0.8,-0.8,4,-1 2026-05-22,0.3,-0.5,1,-3 2026-05-23,0.0,-0.3,0,-1 2026-05-24,0.0,0.0,0,0 2026-05-25,0.0,0.0,0,0 2026-05-26,0.0,0.0,0,0 2026-05-27,0.0,0.0,0,0 2026-05-28,0.0,0.0,0,0 2026-05-29,0.0,0.0,0,0 2026-05-30,0.0,0.0,0,0 2026-05-31,0.0,0.0,0,0 2026-06-01,0.0,0.0,0,0 2026-06-02,0.0,0.0,0,0 2026-06-03,0.0,0.0,0,0 2026-06-04,0.0,0.0,0,0 2026-06-05,0.0,0.0,0,0 2026-06-06,0.0,0.0,0,0 2026-06-07,0.0,0.0,0,0 2026-06-08,0.0,0.0,0,0 2026-06-09,0.0,0.0,0,0 2026-06-10,0.0,0.0,0,0 2026-06-11,0.0,0.0,0,0 2026-06-12,0.0,0.0,0,0 2026-06-13,0.0,0.0,0,0 2026-06-14,0.0,0.0,0,0 2026-06-15,0.0,0.0,0,0 2026-06-16,0.0,0.0,0,0 2026-06-17,0.0,0.0,0,0 2026-06-18,0.0,0.0,0,0 2026-06-19,0.0,0.0,0,0 2026-06-20,0.0,0.0,0,0 2026-06-21,0.0,0.0,0,0 2026-06-22,0.0,0.0,0,0 2026-06-23,0.0,0.0,0,0 2026-06-24,0.0,0.0,0,0 2026-06-25,0.0,0.0,0,0 2026-06-26,0.0,0.0,0,0 2026-06-27,0.0,0.0,0,0 2026-06-28,0.0,0.0,0,0 2026-06-29,0.0,0.0,0,0 2026-06-30,0.0,0.0,0,0 2026-07-01,0.0,0.0,0,0 2026-07-02,0.0,0.0,0,0 2026-07-03,0.0,0.0,0,0 2026-07-04,0.0,0.0,0,0 2026-07-05,0.0,0.0,0,0 2026-07-06,0.0,0.0,0,0 2026-07-07,0.0,0.0,0,0 2026-07-08,0.0,0.0,0,0 2026-07-09,0.0,0.0,0,0 2026-07-10,0.0,0.0,0,0 2026-07-11,0.0,0.0,0,0 2026-07-12,0.0,0.0,0,0 2026-07-13,0.0,0.0,0,0 2026-07-14,0.0,0.0,0,0 2026-07-15,0.0,0.0,0,0 2026-07-16,0.0,0.0,0,0 2026-07-17,0.0,0.0,0,0 2026-07-18,0.0,0.0,0,0 2026-07-19,0.0,0.0,0,0 2026-07-20,0.0,0.0,0,0 2026-07-21,0.0,0.0,0,0 2026-07-22,0.0,0.0,0,0 2026-07-23,0.0,0.0,0,0 2026-07-24,0.0,0.0,0,0 2026-07-25,0.0,0.0,0,0 2026-07-26,0.0,0.0,0,0 2026-07-27,0.0,0.0,0,0 2026-07-28,0.0,0.0,0,0 2026-07-29,0.0,0.0,0,0 2026-07-30,0.0,0.0,0,0 2026-07-31,0.0,0.0,0,0 2026-08-01,0.0,0.0,0,0 2026-08-02,0.0,0.0,0,0 2026-08-03,0.0,0.0,0,0 2026-08-04,0.0,0.0,0,0 2026-08-05,0.0,0.0,0,0 2026-08-06,0.0,0.0,0,0 2026-08-07,0.0,0.0,0,0 2026-08-08,0.0,0.0,0,0 2026-08-09,0.0,0.0,0,0 2026-08-10,0.0,0.0,0,0 2026-08-11,0.0,0.0,0,0 2026-08-12,0.0,0.0,0,0 2026-08-13,0.0,0.0,0,0 2026-08-14,0.0,0.0,0,0 2026-08-15,0.0,0.0,0,0 2026-08-16,0.0,0.0,0,0 2026-08-17,0.0,0.0,0,0