#------------------------------------------------- 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: Daily # Date Range: 2023-10-01 to 2024-05-16 # Report Instantaneous Data As: Start of Day # # Data for the following site(s) are contained in this file: # # SNOTEL 1101: Chapman Tunnel, CO # # 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 # 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 # #------------------------------------------------------------------------------------------------------ # # Chapman Tunnel (1101) # Colorado SNOTEL Site - 10100 ft # Reporting Frequency: Daily; Date Range: 2023-10-01 to 2024-05-16 # # As of: May 16, 2024, 10:07:47 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) 2023-10-01,0.0,0.0,0,0 2023-10-02,0.0,0.0,0,0 2023-10-03,0.0,0.0,0,0 2023-10-04,0.1,0.1,1,1 2023-10-05,0.0,-0.1,0,-1 2023-10-06,0.0,0.0,0,0 2023-10-07,0.0,0.0,0,0 2023-10-08,0.0,0.0,0,0 2023-10-09,0.0,0.0,0,0 2023-10-10,0.0,0.0,0,0 2023-10-11,0.0,0.0,0,0 2023-10-12,0.2,0.2,1,1 2023-10-13,0.5,0.3,2,1 2023-10-14,0.5,0.0,2,0 2023-10-15,0.5,0.0,1,-1 2023-10-16,0.5,0.0,1,0 2023-10-17,0.0,-0.5,0,-1 2023-10-18,0.0,0.0,0,0 2023-10-19,0.0,0.0,0,0 2023-10-20,0.0,0.0,0,0 2023-10-21,0.0,0.0,0,0 2023-10-22,0.0,0.0,0,0 2023-10-23,0.0,0.0,0,0 2023-10-24,0.0,0.0,0,0 2023-10-25,0.0,0.0,0,0 2023-10-26,0.0,0.0,0,0 2023-10-27,0.0,0.0,0,0 2023-10-28,0.0,0.0,0,0 2023-10-29,1.7,1.7,15,15 2023-10-30,2.0,0.3,15,0 2023-10-31,2.0,0.0,12,-3 2023-11-01,2.0,0.0,12,0 2023-11-02,2.1,0.1,10,-2 2023-11-03,2.1,0.0,10,0 2023-11-04,2.1,0.0,10,0 2023-11-05,2.1,0.0,9,-1 2023-11-06,2.2,0.1,9,0 2023-11-07,2.2,0.0,8,-1 2023-11-08,2.2,0.0,6,-2 2023-11-09,2.3,0.1,8,2 2023-11-10,2.2,-0.1,6,-2 2023-11-11,2.2,0.0,6,0 2023-11-12,2.3,0.1,8,2 2023-11-13,2.2,-0.1,8,0 2023-11-14,2.2,0.0,8,0 2023-11-15,2.3,0.1,8,0 2023-11-16,2.3,0.0,8,0 2023-11-17,2.4,0.1,9,1 2023-11-18,2.4,0.0,9,0 2023-11-19,2.5,0.1,9,0 2023-11-20,2.7,0.2,9,0 2023-11-21,2.9,0.2,12,3 2023-11-22,2.9,0.0,12,0 2023-11-23,2.9,0.0,12,0 2023-11-24,2.9,0.0,12,0 2023-11-25,3.2,0.3,13,1 2023-11-26,3.2,0.0,13,0 2023-11-27,3.2,0.0,13,0 2023-11-28,3.2,0.0,13,0 2023-11-29,3.2,0.0,13,0 2023-11-30,3.2,0.0,13,0 2023-12-01,3.5,0.3,15,2 2023-12-02,4.0,0.5,22,7 2023-12-03,4.4,0.4,24,2 2023-12-04,4.8,0.4,28,4 2023-12-05,4.9,0.1,28,0 2023-12-06,4.9,0.0,23,-5 2023-12-07,4.9,0.0,20,-3 2023-12-08,5.0,0.1,20,0 2023-12-09,5.2,0.2,26,6 2023-12-10,5.2,0.0,26,0 2023-12-11,5.3,0.1,26,0 2023-12-12,5.3,0.0,23,-3 2023-12-13,5.4,0.1,23,0 2023-12-14,5.4,0.0,22,-1 2023-12-15,5.4,0.0,21,-1 2023-12-16,5.4,0.0,21,0 2023-12-17,5.4,0.0,19,-2 2023-12-18,5.4,0.0,18,-1 2023-12-19,5.4,0.0,17,-1 2023-12-20,5.4,0.0,17,0 2023-12-21,5.4,0.0,17,0 2023-12-22,5.4,0.0,19,2 2023-12-23,5.4,0.0,19,0 2023-12-24,5.5,0.1,19,0 2023-12-25,5.5,0.0,19,0 2023-12-26,5.5,0.0,19,0 2023-12-27,5.6,0.1,19,0 2023-12-28,5.6,0.0,19,0 2023-12-29,5.6,0.0,19,0 2023-12-30,5.6,0.0,19,0 2023-12-31,5.6,0.0,19,0 2024-01-01,5.6,0.0,19,0 2024-01-02,5.6,0.0,19,0 2024-01-03,5.6,0.0,19,0 2024-01-04,5.8,0.2,22,3 2024-01-05,5.8,0.0,23,1 2024-01-06,5.8,0.0,23,0 2024-01-07,5.8,0.0,23,0 2024-01-08,5.8,0.0,23,0 2024-01-09,5.8,0.0,21,-2 2024-01-10,6.0,0.2,26,5 2024-01-11,6.2,0.2,30,4 2024-01-12,6.5,0.3,29,-1 2024-01-13,6.7,0.2,29,0 2024-01-14,7.0,0.3,30,1 2024-01-15,8.0,1.0,45,15 2024-01-16,8.2,0.2,45,0 2024-01-17,8.2,0.0,40,-5 2024-01-18,8.7,0.5,43,3 2024-01-19,9.0,0.3,44,1 2024-01-20,9.0,0.0,41,-3 2024-01-21,9.0,0.0,40,-1 2024-01-22,9.0,0.0,40,0 2024-01-23,9.0,0.0,38,-2 2024-01-24,9.0,0.0,38,0 2024-01-25,9.1,0.1,39,1 2024-01-26,9.1,0.0,39,0 2024-01-27,9.1,0.0,36,-3 2024-01-28,9.1,0.0,35,-1 2024-01-29,9.1,0.0,35,0 2024-01-30,9.1,0.0,34,-1 2024-01-31,9.1,0.0,32,-2 2024-02-01,9.1,0.0,32,0 2024-02-02,9.1,0.0,32,0 2024-02-03,9.5,0.4,40,8 2024-02-04,9.8,0.3,42,2 2024-02-05,9.8,0.0,42,0 2024-02-06,9.9,0.1,41,-1 2024-02-07,9.9,0.0,40,-1 2024-02-08,10.0,0.1,39,-1 2024-02-09,10.2,0.2,40,1 2024-02-10,10.4,0.2,42,2 2024-02-11,10.5,0.1,42,0 2024-02-12,10.5,0.0,41,-1 2024-02-13,10.5,0.0,40,-1 2024-02-14,10.5,0.0,40,0 2024-02-15,10.6,0.1,40,0 2024-02-16,10.7,0.1,41,1 2024-02-17,11.2,0.5,49,8 2024-02-18,11.2,0.0,45,-4 2024-02-19,11.4,0.2,45,0 2024-02-20,11.4,0.0,43,-2 2024-02-21,11.4,0.0,42,-1 2024-02-22,11.4,0.0,42,0 2024-02-23,11.6,0.2,44,2 2024-02-24,11.7,0.1,44,0 2024-02-25,11.7,0.0,43,-1 2024-02-26,11.7,0.0,43,0 2024-02-27,11.8,0.1,44,1 2024-02-28,12.3,0.5,50,6 2024-02-29,12.4,0.1,48,-2 2024-03-01,12.4,0.0,46,-2 2024-03-02,12.5,0.1,46,0 2024-03-03,12.7,0.2,48,2 2024-03-04,14.0,1.3,58,10 2024-03-05,14.3,0.3,60,2 2024-03-06,14.3,0.0,57,-3 2024-03-07,14.4,0.1,53,-4 2024-03-08,14.4,0.0,53,0 2024-03-09,14.6,0.2,55,2 2024-03-10,14.6,0.0,54,-1 2024-03-11,14.7,0.1,51,-3 2024-03-12,14.7,0.0,51,0 2024-03-13,14.8,0.1,50,-1 2024-03-14,15.0,0.2,52,2 2024-03-15,15.3,0.3,54,2 2024-03-16,15.3,0.0,52,-2 2024-03-17,15.3,0.0,51,-1 2024-03-18,15.3,0.0,50,-1 2024-03-19,15.3,0.0,50,0 2024-03-20,15.3,0.0,49,-1 2024-03-21,15.3,0.0,48,-1 2024-03-22,15.3,0.0,48,0 2024-03-23,15.3,0.0,48,0 2024-03-24,15.3,0.0,48,0 2024-03-25,15.7,0.4,52,4 2024-03-26,15.9,0.2,54,2 2024-03-27,16.1,0.2,55,1 2024-03-28,16.4,0.3,57,2 2024-03-29,16.5,0.1,55,-2 2024-03-30,16.8,0.3,54,-1 2024-03-31,16.8,0.0,54,0 2024-04-01,17.1,0.3,54,0 2024-04-02,17.2,0.1,54,0 2024-04-03,17.1,-0.1,53,-1 2024-04-04,17.1,0.0,52,-1 2024-04-05,16.6,-0.5,50,-2 2024-04-06,16.4,-0.2,46,-4 2024-04-07,16.9,0.5,50,4 2024-04-08,17.0,0.1,49,-1 2024-04-09,17.0,0.0,48,-1 2024-04-10,17.0,0.0,46,-2 2024-04-11,17.4,0.4,47,1 2024-04-12,17.2,-0.2,46,-1 2024-04-13,16.5,-0.7,45,-1 2024-04-14,16.4,-0.1,43,-2 2024-04-15,16.0,-0.4,42,-1 2024-04-16,15.8,-0.2,43,1 2024-04-17,16.1,0.3,45,2 2024-04-18,15.9,-0.2,41,-4 2024-04-19,15.8,-0.1,41,0 2024-04-20,15.6,-0.2,41,0 2024-04-21,15.6,0.0,41,0 2024-04-22,15.2,-0.4,39,-2 2024-04-23,14.5,-0.7,38,-1 2024-04-24,13.9,-0.6,35,-3 2024-04-25,13.2,-0.7,34,-1 2024-04-26,12.7,-0.5,32,-2 2024-04-27,12.7,0.0,31,-1 2024-04-28,13.7,1.0,38,7 2024-04-29,13.8,0.1,37,-1 2024-04-30,13.8,0.0,37,0 2024-05-01,13.4,-0.4,34,-3 2024-05-02,13.5,0.1,35,1 2024-05-03,13.3,-0.2,34,-1 2024-05-04,13.0,-0.3,34,0 2024-05-05,12.5,-0.5,31,-3 2024-05-06,11.9,-0.6,30,-1 2024-05-07,12.4,0.5,33,3 2024-05-08,13.1,0.7,, 2024-05-09,13.1,0.0,, 2024-05-10,13.0,-0.1,34, 2024-05-11,13.1,0.1,34,0 2024-05-12,13.6,0.5,, 2024-05-13,13.7,0.1,33, 2024-05-14,13.5,-0.2,34,1 2024-05-15,13.2,-0.3,33,-1 2024-05-16,12.6,-0.6,32,-1