#------------------------------------------------- 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: 2025-10-01 to 2026-09-30 # Report Instantaneous Data As: Start of Day # # Data for the following site(s) are contained in this file: # # SNOTEL 836: Twin Lakes, 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 Depth Value None Instantaneous - Start of Day N/A Inches N/A SNWD Total snow depth # Precipitation Accumulation Value None Instantaneous - Start of Day N/A Inches N/A PREC Water year accumulated precipitation # Snow Density Value None Instantaneous - Start of Day N/A Percent N/A SNDN The mass of snow per unit volume, expressed as a percent of water content # # 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 # #------------------------------------------------------------------------------------------------------ # # Twin Lakes (836) Montana SNOTEL Site - 6380 ft # Reporting Frequency: Daily; Date Range: 2025-10-01 to 2026-09-30 # # As of: Jan 12, 2026, 10:15:04 PM GMT-08:00 # Date,Snow Water Equivalent (in) Start of Day Values,Snow Depth (in) Start of Day Values,Precipitation Accumulation (in) Start of Day Values,Snow Density (pct) Start of Day Values 2025-10-01,0.0,0,0.0, 2025-10-02,0.0,0,0.2, 2025-10-03,0.0,0,0.4, 2025-10-04,0.0,0,1.0, 2025-10-05,0.0,0,1.2, 2025-10-06,0.0,0,1.3, 2025-10-07,0.0,0,1.4, 2025-10-08,0.0,0,1.4, 2025-10-09,0.0,0,1.4, 2025-10-10,0.0,0,1.4, 2025-10-11,0.0,0,1.4, 2025-10-12,0.2,1,1.5, 2025-10-13,0.7,7,2.4, 2025-10-14,0.8,6,2.6, 2025-10-15,0.8,4,2.8, 2025-10-16,0.6,3,3.0, 2025-10-17,0.5,2,3.0, 2025-10-18,0.4,2,3.1, 2025-10-19,0.2,0,3.3, 2025-10-20,0.8,5,3.8, 2025-10-21,1.0,5,4.3,20.0 2025-10-22,1.0,4,4.6,25.0 2025-10-23,1.0,2,4.6,50.0 2025-10-24,0.9,2,4.6, 2025-10-25,0.9,1,4.8, 2025-10-26,0.7,2,4.9, 2025-10-27,1.1,7,5.6,15.7 2025-10-28,1.7,14,5.8,12.1 2025-10-29,1.7,11,6.2,15.5 2025-10-30,1.8,10,6.2,18.0 2025-10-31,1.8,9,6.2,20.0 2025-11-01,1.7,7,6.5,24.3 2025-11-02,1.5,4,6.6,37.5 2025-11-03,1.4,5,6.6,28.0 2025-11-04,1.6,5,6.9,32.0 2025-11-05,1.3,4,7.3,32.5 2025-11-06,1.3,4,7.6,32.5 2025-11-07,1.3,4,7.8,32.5 2025-11-08,1.7,7,8.0,24.3 2025-11-09,1.6,6,8.0,26.7 2025-11-10,1.7,6,8.3,28.3 2025-11-11,1.8,5,8.4,36.0 2025-11-12,1.3,4,8.5,32.5 2025-11-13,1.2,3,8.5,40.0 2025-11-14,0.9,2,8.9, 2025-11-15,0.6,1,10.7, 2025-11-16,0.3,1,11.0, 2025-11-17,0.0,0,11.3, 2025-11-18,0.0,0,11.4, 2025-11-19,0.0,0,11.5, 2025-11-20,0.2,1,11.7, 2025-11-21,0.1,0,11.8, 2025-11-22,0.0,0,11.8, 2025-11-23,0.0,0,11.8, 2025-11-24,0.3,1,11.9, 2025-11-25,1.0,7,12.4,14.3 2025-11-26,1.0,7,12.4,14.3 2025-11-27,1.3,8,12.6,16.2 2025-11-28,1.4,7,12.8,20.0 2025-11-29,2.0,15,13.3,13.3 2025-11-30,2.0,13,13.3,15.4 2025-12-01,2.0,12,13.3,16.7 2025-12-02,2.1,12,13.5,17.5 2025-12-03,2.4,15,13.8,16.0 2025-12-04,2.4,14,13.8,17.1 2025-12-05,3.0,17,14.1,17.6 2025-12-06,4.0,22,14.5,18.2 2025-12-07,5.8,36,16.1,16.1 2025-12-08,6.6,38,17.0,17.4 2025-12-09,7.7,39,17.6,19.7 2025-12-10,8.3,38,20.2,21.8 2025-12-11,8.6,33,21.1,26.1 2025-12-12,8.5,28,21.5,30.4 2025-12-13,8.0,25,22.1,32.0 2025-12-14,7.8,24,22.3,32.5 2025-12-15,7.8,24,22.5,32.5 2025-12-16,8.0,24,22.8,33.3 2025-12-17,8.1,25,23.1,32.4 2025-12-18,8.1,24,24.1,33.8 2025-12-19,9.9,36,25.0,27.5 2025-12-20,11.8,46,26.6,25.7 2025-12-21,11.9,45,26.7,26.4 2025-12-22,12.4,46,27.3,27.0 2025-12-23,12.6,45,27.7,28.0 2025-12-24,13.0,45,28.1,28.9 2025-12-25,13.5,44,28.5,30.7 2025-12-26,13.4,42,28.8,31.9 2025-12-27,13.7,45,29.1,30.4 2025-12-28,14.7,58,30.1,25.3 2025-12-29,14.7,54,30.8,27.2 2025-12-30,14.7,51,30.9,28.8 2025-12-31,14.8,49,31.1,30.2 2026-01-01,14.8,48,31.2,30.8 2026-01-02,15.0,48,31.3,31.2 2026-01-03,15.5,48,31.6,32.3 2026-01-04,15.5,48,31.6,32.3 2026-01-05,16.0,53,32.1,30.2 2026-01-06,16.4,57,32.5,28.8 2026-01-07,17.4,63,33.5,27.6 2026-01-08,18.4,68,34.5,27.1 2026-01-09,19.2,76,35.2,25.3 2026-01-10,19.5,76,35.7,25.7 2026-01-11,19.5,72,35.9,27.1 2026-01-12,19.5,69,36.1,28.3