#------------------------------------------------- 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 2024-05-18 # Report Instantaneous Data As: Start of Day # # Data for the following site(s) are contained in this file: # # SNOTEL 603: Lower Twin, MT # # 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 # #------------------------------------------------------------------------------------------------------ # # Lower Twin (603) # Montana SNOTEL Site - 7900 ft # Reporting Frequency: Daily; Date Range: 2023-10-01 to 2024-05-18 # # As of: May 18, 2024, 5:00:10 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 2023-10-04,0.0,0.0,0,0 2023-10-05,0.0,0.0,0,0 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 2023-10-12,0.0,0.0,0,0 2023-10-13,0.4,0.4,2,2 2023-10-14,0.2,-0.2,1,-1 2023-10-15,0.1,-0.1,1,0 2023-10-16,0.0,-0.1,0,-1 2023-10-17,0.0,0.0,0,0 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 2023-10-26,0.4,0.4,4,4 2023-10-27,0.9,0.5,6,2 2023-10-28,0.9,0.0,11,5 2023-10-29,1.0,0.1,9,-2 2023-10-30,1.1,0.1,8,-1 2023-10-31,1.1,0.0,8,0 2023-11-01,1.2,0.1,7,-1 2023-11-02,1.3,0.1,7,0 2023-11-03,1.5,0.2,6,-1 2023-11-04,1.3,-0.2,6,0 2023-11-05,1.4,0.1,5,-1 2023-11-06,1.6,0.2,5,0 2023-11-07,1.8,0.2,6,1 2023-11-08,1.8,0.0,4,-2 2023-11-09,1.8,0.0,7,3 2023-11-10,1.9,0.1,7,0 2023-11-11,1.9,0.0,7,0 2023-11-12,1.9,0.0,6,-1 2023-11-13,1.9,0.0,6,0 2023-11-14,2.0,0.1,6,0 2023-11-15,1.9,-0.1,6,0 2023-11-16,1.9,0.0,6,0 2023-11-17,1.9,0.0,6,0 2023-11-18,1.8,-0.1,6,0 2023-11-19,1.8,0.0,6,0 2023-11-20,1.8,0.0,6,0 2023-11-21,1.8,0.0,7,1 2023-11-22,1.9,0.1,6,-1 2023-11-23,1.9,0.0,7,1 2023-11-24,2.0,0.1,11,4 2023-11-25,2.0,0.0,8,-3 2023-11-26,2.1,0.1,9,1 2023-11-27,2.1,0.0,9,0 2023-11-28,2.2,0.1,9,0 2023-11-29,2.2,0.0,8,-1 2023-11-30,2.2,0.0,9,1 2023-12-01,2.2,0.0,7,-2 2023-12-02,2.4,0.2,12,5 2023-12-03,2.7,0.3,16,4 2023-12-04,2.9,0.2,14,-2 2023-12-05,2.9,0.0,13,-1 2023-12-06,2.9,0.0,12,-1 2023-12-07,2.9,0.0,12,0 2023-12-08,3.3,0.4,16,4 2023-12-09,3.3,0.0,15,-1 2023-12-10,3.4,0.1,15,0 2023-12-11,3.6,0.2,16,1 2023-12-12,3.6,0.0,16,0 2023-12-13,3.6,0.0,16,0 2023-12-14,3.6,0.0,16,0 2023-12-15,3.6,0.0,15,-1 2023-12-16,3.7,0.1,15,0 2023-12-17,3.7,0.0,15,0 2023-12-18,3.7,0.0,15,0 2023-12-19,3.7,0.0,15,0 2023-12-20,3.7,0.0,15,0 2023-12-21,3.7,0.0,15,0 2023-12-22,3.7,0.0,15,0 2023-12-23,3.8,0.1,14,-1 2023-12-24,3.9,0.1,18,4 2023-12-25,3.9,0.0,18,0 2023-12-26,3.9,0.0,18,0 2023-12-27,4.0,0.1,16,-2 2023-12-28,4.1,0.1,18,2 2023-12-29,4.1,0.0,18,0 2023-12-30,4.1,0.0,18,0 2023-12-31,4.1,0.0,18,0 2024-01-01,4.1,0.0,17,-1 2024-01-02,4.1,0.0,17,0 2024-01-03,4.1,0.0,17,0 2024-01-04,4.1,0.0,17,0 2024-01-05,4.1,0.0,17,0 2024-01-06,4.1,0.0,17,0 2024-01-07,4.2,0.1,17,0 2024-01-08,4.2,0.0,20,3 2024-01-09,4.3,0.1,19,-1 2024-01-10,4.8,0.5,26,7 2024-01-11,4.8,0.0,24,-2 2024-01-12,5.2,0.4,26,2 2024-01-13,5.2,0.0,26,0 2024-01-14,5.2,0.0,25,-1 2024-01-15,5.2,0.0,25,0 2024-01-16,5.2,0.0,25,0 2024-01-17,5.5,0.3,24,-1 2024-01-18,6.1,0.6,28,4 2024-01-19,6.1,0.0,27,-1 2024-01-20,6.3,0.2,28,1 2024-01-21,6.5,0.2,29,1 2024-01-22,6.5,0.0,29,0 2024-01-23,6.5,0.0,30,1 2024-01-24,6.5,0.0,28,-2 2024-01-25,6.6,0.1,28,0 2024-01-26,6.6,0.0,28,0 2024-01-27,6.6,0.0,28,0 2024-01-28,6.6,0.0,28,0 2024-01-29,6.6,0.0,28,0 2024-01-30,6.6,0.0,27,-1 2024-01-31,6.6,0.0,27,0 2024-02-01,6.6,0.0,27,0 2024-02-02,6.6,0.0,26,-1 2024-02-03,6.8,0.2,28,2 2024-02-04,7.2,0.4,31,3 2024-02-05,7.5,0.3,34,3 2024-02-06,7.7,0.2,34,0 2024-02-07,8.0,0.3,36,2 2024-02-08,8.4,0.4,39,3 2024-02-09,8.4,0.0,35,-4 2024-02-10,8.6,0.2,43,8 2024-02-11,8.6,0.0,41,-2 2024-02-12,8.8,0.2,39,-2 2024-02-13,9.0,0.2,42,3 2024-02-14,9.0,0.0,42,0 2024-02-15,9.1,0.1,40,-2 2024-02-16,9.4,0.3,45,5 2024-02-17,9.4,0.0,43,-2 2024-02-18,9.5,0.1,42,-1 2024-02-19,9.5,0.0,41,-1 2024-02-20,9.5,0.0,40,-1 2024-02-21,9.5,0.0,39,-1 2024-02-22,9.5,0.0,39,0 2024-02-23,9.5,0.0,38,-1 2024-02-24,9.6,0.1,38,0 2024-02-25,9.6,0.0,37,-1 2024-02-26,9.5,-0.1,37,0 2024-02-27,9.6,0.1,39,2 2024-02-28,9.7,0.1,39,0 2024-02-29,9.8,0.1,38,-1 2024-03-01,10.0,0.2,39,1 2024-03-02,10.2,0.2,41,2 2024-03-03,10.8,0.6,48,7 2024-03-04,10.9,0.1,46,-2 2024-03-05,11.2,0.3,46,0 2024-03-06,11.5,0.3,52,6 2024-03-07,11.5,0.0,48,-4 2024-03-08,11.5,0.0,46,-2 2024-03-09,11.5,0.0,46,0 2024-03-10,11.5,0.0,45,-1 2024-03-11,11.6,0.1,44,-1 2024-03-12,11.6,0.0,43,-1 2024-03-13,11.8,0.2,46,3 2024-03-14,11.8,0.0,45,-1 2024-03-15,11.8,0.0,46,1 2024-03-16,11.9,0.1,45,-1 2024-03-17,11.9,0.0,44,-1 2024-03-18,11.9,0.0,44,0 2024-03-19,11.9,0.0,43,-1 2024-03-20,11.9,0.0,42,-1 2024-03-21,11.9,0.0,42,0 2024-03-22,12.1,0.2,43,1 2024-03-23,12.1,0.0,43,0 2024-03-24,12.4,0.3,45,2 2024-03-25,12.6,0.2,46,1 2024-03-26,12.6,0.0,46,0 2024-03-27,12.8,0.2,46,0 2024-03-28,13.0,0.2,48,2 2024-03-29,13.3,0.3,51,3 2024-03-30,13.3,0.0,48,-3 2024-03-31,13.5,0.2,51,3 2024-04-01,13.9,0.4,55,4 2024-04-02,13.9,0.0,53,-2 2024-04-03,14.0,0.1,51,-2 2024-04-04,14.0,0.0,49,-2 2024-04-05,13.9,-0.1,48,-1 2024-04-06,13.9,0.0,47,-1 2024-04-07,13.9,0.0,46,-1 2024-04-08,14.0,0.1,46,0 2024-04-09,14.0,0.0,46,0 2024-04-10,14.2,0.2,48,2 2024-04-11,14.2,0.0,48,0 2024-04-12,14.2,0.0,46,-2 2024-04-13,14.0,-0.2,45,-1 2024-04-14,13.7,-0.3,44,-1 2024-04-15,13.7,0.0,43,-1 2024-04-16,13.9,0.2,43,0 2024-04-17,14.1,0.2,45,2 2024-04-18,14.5,0.4,48,3 2024-04-19,14.6,0.1,47,-1 2024-04-20,14.6,0.0,46,-1 2024-04-21,14.6,0.0,46,0 2024-04-22,14.6,0.0,44,-2 2024-04-23,14.8,0.2,44,0 2024-04-24,14.5,-0.3,43,-1 2024-04-25,14.3,-0.2,42,-1 2024-04-26,14.0,-0.3,41,-1 2024-04-27,14.8,0.8,43,2 2024-04-28,15.9,1.1,47,4 2024-04-29,16.0,0.1,46,-1 2024-04-30,16.0,0.0,47,1 2024-05-01,16.3,0.3,48,1 2024-05-02,16.3,0.0,48,0 2024-05-03,16.3,0.0,48,0 2024-05-04,16.4,0.1,48,0 2024-05-05,16.3,-0.1,46,-2 2024-05-06,16.2,-0.1,45,-1 2024-05-07,16.2,0.0,45,0 2024-05-08,16.3,0.1,46,1 2024-05-09,16.8,0.5,51,5 2024-05-10,16.8,0.0,49,-2 2024-05-11,16.6,-0.2,46,-3 2024-05-12,16.2,-0.4,45,-1 2024-05-13,15.8,-0.4,43,-2 2024-05-14,15.3,-0.5,41,-2 2024-05-15,15.3,0.0,41,0 2024-05-16,14.8,-0.5,40,-1 2024-05-17,14.0,-0.8,38,-2 2024-05-18,13.8,-0.2,37,-1