#------------------------------------------------- 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: 2025-07-05 02:00 to 2025-07-12 01:00 # # 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 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 # 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 # #------------------------------------------------------------------------------------------------------ # # Niwot (663) # Colorado SNOTEL Site - 9940 ft # Reporting Frequency: Hourly; Date Range: 2025-07-05 02:00 to 2025-07-12 01:00 # # As of: Jul 12, 2025, 1:04:53 AM GMT-08:00 # Date,Snow Water Equivalent (in),Snow Depth (in),Precipitation Accumulation (in),Air Temperature Observed (degF) 2025-07-05 02:00,,1,22.30,42.8 2025-07-05 03:00,,1,22.30,41.4 2025-07-05 04:00,,1,22.30,45.1 2025-07-05 05:00,,1,22.40,50.0 2025-07-05 06:00,,0,22.30,56.7 2025-07-05 07:00,,0,22.30,61.2 2025-07-05 08:00,,0,22.30,64.0 2025-07-05 09:00,,0,22.20,67.6 2025-07-05 10:00,,0,22.20,68.9 2025-07-05 11:00,,0,22.00,71.8 2025-07-05 12:00,,,21.90,73.8 2025-07-05 13:00,,0,21.90,73.0 2025-07-05 14:00,,0,21.90,65.5 2025-07-05 15:00,,1,22.00,65.1 2025-07-05 16:00,,1,22.00,57.4 2025-07-05 17:00,,1,22.10,57.0 2025-07-05 18:00,,0,22.20,53.1 2025-07-05 19:00,,1,22.20,49.1 2025-07-05 20:00,,1,22.20,46.8 2025-07-05 21:00,,1,22.30,44.8 2025-07-05 22:00,,1,22.30,41.9 2025-07-05 23:00,,1,22.30,41.7 2025-07-06 00:00,0.0,0,22.30,40.5 2025-07-06 01:00,,1,22.30,39.2 2025-07-06 02:00,,1,22.40,38.5 2025-07-06 03:00,,1,22.40,41.4 2025-07-06 04:00,,1,22.40,38.8 2025-07-06 05:00,,1,22.40,43.5 2025-07-06 06:00,,0,22.40,53.4 2025-07-06 07:00,,0,22.40,63.7 2025-07-06 08:00,,0,22.30,67.1 2025-07-06 09:00,,0,22.20,70.2 2025-07-06 10:00,,0,22.20,71.2 2025-07-06 11:00,,0,22.10,73.0 2025-07-06 12:00,,0,22.00,71.2 2025-07-06 13:00,,1,22.00,64.8 2025-07-06 14:00,,0,22.00,62.8 2025-07-06 15:00,,1,22.10,62.1 2025-07-06 16:00,,0,22.10,62.1 2025-07-06 17:00,,1,22.10,59.4 2025-07-06 18:00,,0,22.20,54.3 2025-07-06 19:00,,1,22.20,50.7 2025-07-06 20:00,,1,22.20,47.8 2025-07-06 21:00,,1,22.30,45.9 2025-07-06 22:00,,1,22.30,44.1 2025-07-06 23:00,,1,22.30,41.4 2025-07-07 00:00,0.0,0,22.30,42.8 2025-07-07 01:00,,1,22.30,42.4 2025-07-07 02:00,,1,22.40,39.4 2025-07-07 03:00,,1,22.40,39.6 2025-07-07 04:00,,1,22.40,37.9 2025-07-07 05:00,,0,22.40,44.6 2025-07-07 06:00,,0,22.40,55.4 2025-07-07 07:00,,0,22.40,64.0 2025-07-07 08:00,,0,22.30,68.2 2025-07-07 09:00,,0,22.20,70.5 2025-07-07 10:00,,0,22.20,72.7 2025-07-07 11:00,,0,22.10,72.3 2025-07-07 12:00,,,21.90,74.8 2025-07-07 13:00,,0,22.00,64.0 2025-07-07 14:00,,0,22.00,71.4 2025-07-07 15:00,,0,22.00,68.0 2025-07-07 16:00,,0,22.00,67.5 2025-07-07 17:00,,0,22.10,65.3 2025-07-07 18:00,,0,22.10,62.6 2025-07-07 19:00,,0,22.10,57.2 2025-07-07 20:00,,0,22.20,52.7 2025-07-07 21:00,,1,22.20,49.6 2025-07-07 22:00,,1,22.20,45.9 2025-07-07 23:00,,1,22.30,44.4 2025-07-08 00:00,0.0,0,22.30,44.2 2025-07-08 01:00,,1,22.30,41.2 2025-07-08 02:00,,1,22.30,42.6 2025-07-08 03:00,,1,22.30,41.0 2025-07-08 04:00,,1,22.40,45.1 2025-07-08 05:00,,1,22.40,51.3 2025-07-08 06:00,,0,22.40,57.7 2025-07-08 07:00,,0,22.30,59.4 2025-07-08 08:00,,0,22.30,64.2 2025-07-08 09:00,,0,22.20,70.2 2025-07-08 10:00,,0,22.20,74.3 2025-07-08 11:00,,0,22.00,77.4 2025-07-08 12:00,,0,22.00,70.7 2025-07-08 13:00,,0,22.00,65.5 2025-07-08 14:00,,0,22.00,71.2 2025-07-08 15:00,,0,22.00,71.4 2025-07-08 16:00,,0,22.10,69.8 2025-07-08 17:00,,0,22.10,66.2 2025-07-08 18:00,,1,22.10,63.9 2025-07-08 19:00,,0,22.20,57.6 2025-07-08 20:00,,0,22.20,52.9 2025-07-08 21:00,,0,22.20,51.1 2025-07-08 22:00,,1,22.30,49.6 2025-07-08 23:00,,1,22.30,48.0 2025-07-09 00:00,0.0,0,22.30,46.2 2025-07-09 01:00,,1,22.30,45.3 2025-07-09 02:00,,1,22.30,44.8 2025-07-09 03:00,,0,22.30,44.8 2025-07-09 04:00,,0,22.40,47.3 2025-07-09 05:00,,0,22.30,50.5 2025-07-09 06:00,,0,22.40,61.7 2025-07-09 07:00,,0,22.30,68.5 2025-07-09 08:00,,0,22.30,71.6 2025-07-09 09:00,,0,22.20,74.8 2025-07-09 10:00,,,22.10,76.8 2025-07-09 11:00,,0,22.00,76.8 2025-07-09 12:00,,0,21.90,77.9 2025-07-09 13:00,,0,21.80,77.7 2025-07-09 14:00,,0,21.80,78.6 2025-07-09 15:00,,0,21.90,73.9 2025-07-09 16:00,,0,22.00,71.8 2025-07-09 17:00,,0,22.00,72.3 2025-07-09 18:00,,0,22.00,68.4 2025-07-09 19:00,,0,22.10,62.6 2025-07-09 20:00,,0,22.10,60.1 2025-07-09 21:00,,1,22.10,61.9 2025-07-09 22:00,,0,22.20,59.4 2025-07-09 23:00,,1,22.20,61.5 2025-07-10 00:00,,0,22.20,60.1 2025-07-10 01:00,,0,22.20,56.5 2025-07-10 02:00,,0,22.20,56.3 2025-07-10 03:00,,0,22.20,52.9 2025-07-10 04:00,,0,22.20,55.0 2025-07-10 05:00,,1,22.30,50.4 2025-07-10 06:00,,1,22.30,57.4 2025-07-10 07:00,,0,22.30,63.3 2025-07-10 08:00,,0,22.20,66.2 2025-07-10 09:00,,0,22.20,66.2 2025-07-10 10:00,,0,22.20,68.2 2025-07-10 11:00,,0,22.10,65.7 2025-07-10 12:00,,0,22.10,62.1 2025-07-10 13:00,,0,22.10,70.3 2025-07-10 14:00,,0,22.10,64.4 2025-07-10 15:00,,0,22.10,64.0 2025-07-10 16:00,,0,22.10,62.4 2025-07-10 17:00,,1,22.20,61.5 2025-07-10 18:00,,0,22.20,55.0 2025-07-10 19:00,,0,22.20,50.0 2025-07-10 20:00,,1,22.20,48.4 2025-07-10 21:00,,1,22.30,47.3 2025-07-10 22:00,,1,22.30,45.0 2025-07-10 23:00,,1,22.30,44.6 2025-07-11 00:00,,1,22.30,44.4 2025-07-11 01:00,,1,22.30,42.6 2025-07-11 02:00,,1,22.40,40.1 2025-07-11 03:00,,1,22.40,38.5 2025-07-11 04:00,,1,22.40,39.7 2025-07-11 05:00,,0,22.40,50.0 2025-07-11 06:00,,0,22.40,57.6 2025-07-11 07:00,,0,22.40,65.3 2025-07-11 08:00,,0,22.30,59.7 2025-07-11 09:00,,0,22.30,64.6 2025-07-11 10:00,,0,22.20,66.2 2025-07-11 11:00,,0,22.10,65.5 2025-07-11 12:00,,0,22.10,60.6 2025-07-11 13:00,,1,22.10,56.8 2025-07-11 14:00,,0,22.20,60.3 2025-07-11 15:00,,1,22.20,60.6 2025-07-11 16:00,,1,22.20,57.2 2025-07-11 17:00,,1,22.20,55.2 2025-07-11 18:00,,1,22.30,54.3 2025-07-11 19:00,,1,22.30,50.5 2025-07-11 20:00,,1,22.30,49.1 2025-07-11 21:00,,1,22.30,48.4 2025-07-11 22:00,,1,22.40,47.5 2025-07-11 23:00,0.0,1,22.40,46.8 2025-07-12 00:00,0.0,1,22.50,45.5