#------------------------------------------------- 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: 2024-04-17 18:00 to 2024-04-24 17:00 # # 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 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 # Precipitation Accumulation Value None Instantaneous N/A Inches N/A PREC Water year accumulated precipitation # Air Temperature Observed Value None Instantaneous N/A Degrees fahrenheit N/A TOBS Instantaneously observed air temperature # # 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: Hourly; Date Range: 2024-04-17 18:00 to 2024-04-24 17:00 # # As of: Apr 24, 2024, 5:17:00 PM GMT-08:00 # Date,Snow Water Equivalent (in),Snow Depth (in),Precipitation Accumulation (in),Air Temperature Observed (degF) 2024-04-17 18:00,15.9,42,20.70,38.5 2024-04-17 19:00,15.9,42,20.70,35.2 2024-04-17 20:00,15.9,42,20.70,33.6 2024-04-17 21:00,15.9,42,20.70,34.3 2024-04-17 22:00,15.9,42,20.70,34.7 2024-04-17 23:00,15.9,42,20.70,35.4 2024-04-18 00:00,15.9,41,20.70,33.8 2024-04-18 01:00,15.9,41,20.70,33.1 2024-04-18 02:00,15.9,40,20.70,32.5 2024-04-18 03:00,15.9,40,20.70,34.0 2024-04-18 04:00,15.9,40,20.70,31.6 2024-04-18 05:00,15.9,40,20.70,32.2 2024-04-18 06:00,15.9,40,20.70,34.9 2024-04-18 07:00,15.9,41,20.70,38.8 2024-04-18 08:00,15.9,42,20.70,40.5 2024-04-18 09:00,15.9,42,20.70,43.5 2024-04-18 10:00,15.9,42,20.70,43.5 2024-04-18 11:00,15.9,42,20.70,44.8 2024-04-18 12:00,15.8,42,20.70,44.2 2024-04-18 13:00,15.8,41,20.70,40.8 2024-04-18 14:00,15.8,41,20.70,43.0 2024-04-18 15:00,15.8,41,20.70,44.2 2024-04-18 16:00,15.8,41,20.70,44.6 2024-04-18 17:00,15.8,41,20.70,42.1 2024-04-18 18:00,15.8,42,20.70,40.3 2024-04-18 19:00,15.7,41,20.70,39.0 2024-04-18 20:00,15.7,41,20.70,37.9 2024-04-18 21:00,15.7,41,20.70,35.1 2024-04-18 22:00,15.7,41,20.70,32.9 2024-04-18 23:00,15.7,41,20.70,32.5 2024-04-19 00:00,15.8,41,20.70,32.0 2024-04-19 01:00,15.8,41,20.70,33.1 2024-04-19 02:00,15.8,41,20.70,32.9 2024-04-19 03:00,15.8,41,20.70,32.9 2024-04-19 04:00,15.8,41,20.70,33.3 2024-04-19 05:00,15.8,41,20.70,33.3 2024-04-19 06:00,15.8,41,20.70,36.5 2024-04-19 07:00,15.8,41,20.70,40.6 2024-04-19 08:00,15.7,41,20.70,42.1 2024-04-19 09:00,15.7,41,20.70,44.1 2024-04-19 10:00,15.7,41,20.70,42.1 2024-04-19 11:00,15.7,41,20.70,36.9 2024-04-19 12:00,15.7,41,20.70,38.8 2024-04-19 13:00,15.7,41,20.80,43.7 2024-04-19 14:00,15.6,40,20.70,41.7 2024-04-19 15:00,15.6,40,20.70,39.7 2024-04-19 16:00,15.6,40,20.80,40.8 2024-04-19 17:00,15.6,41,20.80,37.2 2024-04-19 18:00,15.6,41,20.70,34.9 2024-04-19 19:00,15.5,41,20.80,34.3 2024-04-19 20:00,15.5,41,20.80,32.9 2024-04-19 21:00,15.5,41,20.70,32.9 2024-04-19 22:00,15.5,41,20.70,32.5 2024-04-19 23:00,15.6,41,20.70,32.0 2024-04-20 00:00,15.6,41,20.70,31.1 2024-04-20 01:00,15.6,41,20.70,32.2 2024-04-20 02:00,15.6,41,20.70,31.6 2024-04-20 03:00,15.6,41,20.70,31.6 2024-04-20 04:00,15.6,,20.80,32.0 2024-04-20 05:00,15.6,,20.80,32.5 2024-04-20 06:00,15.6,,20.80,34.0 2024-04-20 07:00,15.6,,20.80,34.9 2024-04-20 08:00,15.6,,20.80,39.9 2024-04-20 09:00,15.6,41,20.80,40.1 2024-04-20 10:00,15.6,41,20.80,41.9 2024-04-20 11:00,15.6,41,20.80,39.4 2024-04-20 12:00,15.6,41,20.90,37.9 2024-04-20 13:00,15.6,41,20.90,35.4 2024-04-20 14:00,15.6,40,20.90,40.3 2024-04-20 15:00,15.6,41,20.90,40.8 2024-04-20 16:00,15.6,41,20.90,40.3 2024-04-20 17:00,15.6,41,20.90,38.7 2024-04-20 18:00,15.6,41,20.90,35.8 2024-04-20 19:00,15.5,41,20.90,34.5 2024-04-20 20:00,15.5,41,20.90,33.3 2024-04-20 21:00,15.5,41,20.90,32.7 2024-04-20 22:00,15.6,41,20.90,31.1 2024-04-20 23:00,15.6,41,20.90,30.4 2024-04-21 00:00,15.6,41,20.90,28.9 2024-04-21 01:00,15.6,41,20.90,28.9 2024-04-21 02:00,15.7,41,20.90,29.1 2024-04-21 03:00,15.7,41,20.90,28.9 2024-04-21 04:00,15.7,41,20.90,28.6 2024-04-21 05:00,15.8,41,20.90,27.1 2024-04-21 06:00,15.7,41,20.90,29.5 2024-04-21 07:00,15.7,41,20.90,32.9 2024-04-21 08:00,15.7,41,20.90,41.0 2024-04-21 09:00,15.6,40,20.90,43.9 2024-04-21 10:00,15.6,41,20.90,46.0 2024-04-21 11:00,15.6,40,20.90,48.4 2024-04-21 12:00,15.5,39,20.90,49.3 2024-04-21 13:00,15.4,39,20.90,51.3 2024-04-21 14:00,15.3,39,20.90,51.4 2024-04-21 15:00,15.2,39,20.90,51.8 2024-04-21 16:00,15.1,38,20.90,50.0 2024-04-21 17:00,15.0,38,20.90,41.7 2024-04-21 18:00,15.0,39,20.90,36.3 2024-04-21 19:00,15.0,39,20.90,33.6 2024-04-21 20:00,15.0,39,20.90,31.6 2024-04-21 21:00,15.1,39,20.90,31.6 2024-04-21 22:00,15.1,39,20.90,30.4 2024-04-21 23:00,15.2,39,20.90,30.6 2024-04-22 00:00,15.2,39,20.80,30.6 2024-04-22 01:00,15.2,39,20.90,30.0 2024-04-22 02:00,15.2,39,20.80,30.7 2024-04-22 03:00,15.2,39,20.90,30.7 2024-04-22 04:00,15.3,39,20.80,30.4 2024-04-22 05:00,15.2,39,20.90,32.0 2024-04-22 06:00,15.2,39,20.90,31.5 2024-04-22 07:00,15.1,39,20.90,45.7 2024-04-22 08:00,15.0,39,20.90,46.8 2024-04-22 09:00,15.0,39,20.90,48.9 2024-04-22 10:00,15.1,39,20.90,50.2 2024-04-22 11:00,15.0,38,20.90,51.4 2024-04-22 12:00,15.0,38,20.90,51.6 2024-04-22 13:00,14.9,38,20.90,54.1 2024-04-22 14:00,14.8,37,20.90,51.6 2024-04-22 15:00,14.7,37,20.90,53.4 2024-04-22 16:00,14.6,36,20.90,48.0 2024-04-22 17:00,14.6,37,20.90,45.5 2024-04-22 18:00,14.6,38,20.90,37.6 2024-04-22 19:00,14.6,38,20.90,36.7 2024-04-22 20:00,14.5,38,20.90,36.7 2024-04-22 21:00,14.5,38,20.90,37.9 2024-04-22 22:00,14.5,38,20.90,37.9 2024-04-22 23:00,14.5,38,20.90,37.8 2024-04-23 00:00,14.5,38,20.90,37.0 2024-04-23 01:00,14.6,38,20.90,36.5 2024-04-23 02:00,14.5,38,20.90,34.3 2024-04-23 03:00,14.6,38,20.90,34.0 2024-04-23 04:00,14.6,38,20.90,33.3 2024-04-23 05:00,14.6,38,20.90,34.0 2024-04-23 06:00,14.6,38,20.90,35.1 2024-04-23 07:00,14.6,38,20.90,42.4 2024-04-23 08:00,14.5,38,20.90,44.8 2024-04-23 09:00,14.5,37,20.90,48.0 2024-04-23 10:00,14.4,38,20.90,50.5 2024-04-23 11:00,14.4,37,20.90,43.0 2024-04-23 12:00,14.3,36,20.90,50.9 2024-04-23 13:00,14.3,36,20.90,52.7 2024-04-23 14:00,14.2,35,20.90,51.8 2024-04-23 15:00,14.1,35,20.90,52.7 2024-04-23 16:00,14.0,35,20.90,50.7 2024-04-23 17:00,14.0,35,20.90,44.8 2024-04-23 18:00,14.0,36,20.90,41.9 2024-04-23 19:00,13.9,36,20.90,42.6 2024-04-23 20:00,13.9,36,20.90,38.3 2024-04-23 21:00,13.9,36,20.90,36.1 2024-04-23 22:00,13.9,35,20.90,38.8 2024-04-23 23:00,13.9,36,20.90,39.7 2024-04-24 00:00,13.9,35,20.90,38.3 2024-04-24 01:00,13.9,35,20.90,36.3 2024-04-24 02:00,13.9,36,20.90,35.1 2024-04-24 03:00,14.0,35,20.90,34.0 2024-04-24 04:00,14.0,35,20.90,32.9 2024-04-24 05:00,14.0,36,20.90,32.9 2024-04-24 06:00,14.0,35,20.90,34.5 2024-04-24 07:00,14.0,35,20.90,42.8 2024-04-24 08:00,14.0,36,20.90,48.7 2024-04-24 09:00,14.0,35,20.90,51.4 2024-04-24 10:00,13.9,35,20.90,53.4 2024-04-24 11:00,13.8,35,20.80,55.0 2024-04-24 12:00,13.7,34,20.80,54.5 2024-04-24 13:00,13.5,34,20.80,56.5 2024-04-24 14:00,13.4,34,20.80,57.6 2024-04-24 15:00,13.3,33,20.80,56.8 2024-04-24 16:00,13.2,32,20.80,55.2