#------------------------------------------------- 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 2024-09-30 # Report Instantaneous Data As: Start of Day # # Data for the following site(s) are contained in this file: # # SNOTEL 663: Niwot, 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 Depth Value None Instantaneous - Start of Day N/A Inches N/A SNWD Total snow depth # 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 # # 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 # #------------------------------------------------------------------------------------------------------ # # Niwot (663) Colorado SNOTEL Site - 9979 ft # Reporting Frequency: Daily; Date Range: 2023-10-01 to 2024-09-30 # # As of: Apr 29, 2024, 8:29:52 AM GMT-08:00 # Date,Snow Depth (in) Start of Day Values,Snow Water Equivalent (in) Start of Day Values 2023-10-01,0,0.0 2023-10-02,0,0.0 2023-10-03,0,0.0 2023-10-04,0,0.0 2023-10-05,0,0.0 2023-10-06,0,0.0 2023-10-07,0,0.0 2023-10-08,0,0.0 2023-10-09,0,0.0 2023-10-10,0,0.0 2023-10-11,0,0.0 2023-10-12,1,0.2 2023-10-13,2,0.3 2023-10-14,1,0.3 2023-10-15,1,0.3 2023-10-16,1,0.2 2023-10-17,1,0.2 2023-10-18,0,0.0 2023-10-19,0,0.0 2023-10-20,0,0.0 2023-10-21,0,0.0 2023-10-22,0,0.0 2023-10-23,0,0.0 2023-10-24,0,0.0 2023-10-25,0,0.0 2023-10-26,0,0.0 2023-10-27,0,0.0 2023-10-28,0,0.0 2023-10-29,7,0.7 2023-10-30,6,0.9 2023-10-31,6,1.0 2023-11-01,5,1.0 2023-11-02,4,1.0 2023-11-03,4,1.0 2023-11-04,4,1.0 2023-11-05,4,1.0 2023-11-06,2,0.9 2023-11-07,2,0.9 2023-11-08,2,0.9 2023-11-09,4,1.1 2023-11-10,4,1.1 2023-11-11,5,1.2 2023-11-12,4,1.2 2023-11-13,4,1.1 2023-11-14,4,1.1 2023-11-15,4,1.1 2023-11-16,4,1.1 2023-11-17,3,1.3 2023-11-18,5,1.4 2023-11-19,5,1.4 2023-11-20,5,1.4 2023-11-21,5,1.4 2023-11-22,5,1.4 2023-11-23,5,1.4 2023-11-24,8,1.6 2023-11-25,6,1.6 2023-11-26,7,1.7 2023-11-27,7,1.7 2023-11-28,7,1.7 2023-11-29,6,1.7 2023-11-30,6,1.7 2023-12-01,6,1.7 2023-12-02,6,1.7 2023-12-03,7,1.9 2023-12-04,11,2.6 2023-12-05,13,2.7 2023-12-06,11,2.7 2023-12-07,11,2.7 2023-12-08,11,2.7 2023-12-09,18,3.2 2023-12-10,19,3.4 2023-12-11,19,3.5 2023-12-12,17,3.7 2023-12-13,16,3.7 2023-12-14,15,3.7 2023-12-15,15,3.7 2023-12-16,15,3.7 2023-12-17,14,3.6 2023-12-18,14,3.6 2023-12-19,13,3.6 2023-12-20,13,3.6 2023-12-21,13,3.6 2023-12-22,13,3.6 2023-12-23,13,3.6 2023-12-24,14,3.8 2023-12-25,17,4.0 2023-12-26,18,4.1 2023-12-27,17,4.1 2023-12-28,17,4.1 2023-12-29,16,4.1 2023-12-30,16,4.1 2023-12-31,16,4.1 2024-01-01,15,4.1 2024-01-02,15,4.1 2024-01-03,15,4.1 2024-01-04,15,4.1 2024-01-05,15,4.1 2024-01-06,15,4.1 2024-01-07,15,4.1 2024-01-08,15,4.1 2024-01-09,16,4.2 2024-01-10,17,4.3 2024-01-11,18,4.4 2024-01-12,19,4.6 2024-01-13,21,5.0 2024-01-14,25,5.5 2024-01-15,30,6.1 2024-01-16,33,6.6 2024-01-17,31,6.8 2024-01-18,31,7.1 2024-01-19,33,7.3 2024-01-20,32,7.3 2024-01-21,30,7.3 2024-01-22,30,7.3 2024-01-23,28,7.3 2024-01-24,28,7.3 2024-01-25,28,7.4 2024-01-26,28,7.4 2024-01-27,28,7.4 2024-01-28,28,7.4 2024-01-29,27,7.4 2024-01-30,27,7.4 2024-01-31,26,7.4 2024-02-01,26,7.4 2024-02-02,26,7.4 2024-02-03,25,7.5 2024-02-04,29,7.7 2024-02-05,29,7.7 2024-02-06,28,7.7 2024-02-07,28,7.7 2024-02-08,27,7.7 2024-02-09,28,7.8 2024-02-10,28,7.8 2024-02-11,30,7.9 2024-02-12,30,7.9 2024-02-13,29,7.9 2024-02-14,28,7.9 2024-02-15,30,8.0 2024-02-16,31,8.2 2024-02-17,33,8.5 2024-02-18,33,8.6 2024-02-19,33,8.6 2024-02-20,32,8.6 2024-02-21,32,8.7 2024-02-22,31,8.7 2024-02-23,31,8.7 2024-02-24,31,8.7 2024-02-25,31,8.7 2024-02-26,30,8.7 2024-02-27,30,8.7 2024-02-28,32,8.9 2024-02-29,32,8.9 2024-03-01,31,8.9 2024-03-02,31,8.9 2024-03-03,28,9.0 2024-03-04,32,9.2 2024-03-05,32,9.3 2024-03-06,34,9.4 2024-03-07,32,9.5 2024-03-08,36,9.9 2024-03-09,39,10.1 2024-03-10,37,10.1 2024-03-11,36,10.1 2024-03-12,35,10.1 2024-03-13,35,10.2 2024-03-14,53,12.0 2024-03-15,76,13.9 2024-03-16,67,13.9 2024-03-17,64,13.9 2024-03-18,61,13.9 2024-03-19,58,13.9 2024-03-20,55,13.9 2024-03-21,53,13.9 2024-03-22,50,13.9 2024-03-23,51,13.9 2024-03-24,47,13.9 2024-03-25,55,14.5 2024-03-26,54,14.6 2024-03-27,50,14.6 2024-03-28,52,14.6 2024-03-29,50,14.6 2024-03-30,51,15.0 2024-03-31,49,15.0 2024-04-01,47,15.0 2024-04-02,47,15.0 2024-04-03,46,15.0 2024-04-04,45,14.9 2024-04-05,44,14.6 2024-04-06,42,14.4 2024-04-07,42,14.5 2024-04-08,42,14.5 2024-04-09,41,14.5 2024-04-10,40,14.3 2024-04-11,39,14.4 2024-04-12,39,14.3 2024-04-13,37,14.1 2024-04-14,36,13.6 2024-04-15,33,13.2 2024-04-16,30,12.8 2024-04-17,33,12.8 2024-04-18,31,12.5 2024-04-19,28,12.7 2024-04-20,40,13.3 2024-04-21,36,13.5 2024-04-22,34,13.5 2024-04-23,32,13.2 2024-04-24,32,13.1 2024-04-25,30,12.6 2024-04-26,29,12.3 2024-04-27,33,12.6 2024-04-28,42,13.8 2024-04-29,39,13.8