#------------------------------------------------- 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: FPACITServiceDesk@usda.gov # #------------------------------------------------------------------------------------------------------ # # 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 # Air Temperature Average Value None Day N/A Degrees fahrenheit N/A TAVG Average air temperature - sub-hourly sampling frequency # Air Temperature Maximum Value None Day N/A Degrees fahrenheit N/A TMAX Maximum air temperature - sub-hourly sampling frequency # Air Temperature Minimum Value None Day N/A Degrees fahrenheit N/A TMIN Minimum air temperature - sub-hourly sampling frequency # Air Temperature Observed Value None Instantaneous - Start of Day 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 # #------------------------------------------------------------------------------------------------------ # # Twin Lakes (836) Montana SNOTEL Site - 6380 ft # Reporting Frequency: Daily; Date Range: 2025-10-01 to 2026-09-30 # # As of: Aug 14, 2026, 1:51:07 PM GMT-08:00 # Date,Air Temperature Average (degF),Air Temperature Maximum (degF),Air Temperature Minimum (degF),Air Temperature Observed (degF) Start of Day Values 2025-10-01,45.5,54.7,39.4,43.5 2025-10-02,46.0,56.8,38.7,41.2 2025-10-03,42.1,45.0,38.7,44.8 2025-10-04,36.5,42.1,31.1,38.8 2025-10-05,32.5,41.2,28.2,32.0 2025-10-06,34.7,46.9,26.4,28.2 2025-10-07,43.5,60.4,30.6,31.1 2025-10-08,46.6,59.9,37.0,39.9 2025-10-09,49.1,63.0,39.2,40.3 2025-10-10,52.5,67.3,42.4,44.8 2025-10-11,38.8,48.4,30.9,43.3 2025-10-12,31.1,35.1,28.9,30.9 2025-10-13,27.3,30.7,25.2,28.9 2025-10-14,28.4,32.7,25.7,25.7 2025-10-15,29.8,34.5,25.7,26.6 2025-10-16,32.9,38.8,29.5,30.4 2025-10-17,35.8,41.5,29.5,35.1 2025-10-18,37.0,46.4,24.1,33.1 2025-10-19,35.4,47.5,30.4,45.3 2025-10-20,29.8,33.3,26.1,30.4 2025-10-21,34.7,47.1,26.8,29.8 2025-10-22,40.6,56.7,28.9,30.6 2025-10-23,36.9,49.3,28.2,34.3 2025-10-24,44.8,55.6,32.5,32.7 2025-10-25,37.4,49.3,28.4,49.1 2025-10-26,27.9,33.4,23.7,28.8 2025-10-27,24.8,26.8,23.2,26.8 2025-10-28,27.3,34.2,16.5,25.2 2025-10-29,32.5,40.3,25.5,28.9 2025-10-30,27.3,40.8,18.7,25.5 2025-10-31,34.5,50.0,20.3,22.3 2025-11-01,46.2,53.8,33.6,36.5 2025-11-02,29.3,35.6,22.5,35.6 2025-11-03,32.5,43.3,22.1,22.6 2025-11-04,35.2,39.4,30.4,37.8 2025-11-05,38.5,48.6,32.7,34.2 2025-11-06,34.5,38.5,31.5,36.0 2025-11-07,29.7,38.7,25.3,38.5 2025-11-08,27.1,36.0,22.5,27.1 2025-11-09,36.7,50.0,25.3,25.3 2025-11-10,45.3,54.1,38.1,39.9 2025-11-11,40.1,47.3,35.1,39.4 2025-11-12,42.6,53.4,34.9,44.4 2025-11-13,45.3,54.1,38.5,40.8 2025-11-14,36.3,41.2,32.4,40.1 2025-11-15,37.0,39.6,33.8,36.1 2025-11-16,37.4,43.5,32.4,34.2 2025-11-17,37.9,41.5,34.9,38.8 2025-11-18,36.5,41.9,32.5,35.6 2025-11-19,30.0,32.5,26.8,32.5 2025-11-20,31.8,39.0,26.8,26.8 2025-11-21,30.6,32.9,27.1,32.7 2025-11-22,32.4,41.9,26.8,29.3 2025-11-23,34.2,41.4,28.4,30.2 2025-11-24,24.8,33.3,16.0,32.4 2025-11-25,20.5,26.1,11.7,16.0 2025-11-26,29.7,32.2,25.5,25.7 2025-11-27,32.9,40.6,29.3,29.5 2025-11-28,26.4,31.8,15.3,30.0 2025-11-29,16.5,21.7,10.0,15.4 2025-11-30,15.8,22.6,9.0,15.6 2025-12-01,20.8,27.7,10.0,16.3 2025-12-02,24.4,27.1,22.1,25.0 2025-12-03,20.8,22.1,19.6,22.1 2025-12-04,25.2,27.3,21.2,21.2 2025-12-05,29.1,33.1,26.1,26.1 2025-12-06,28.0,30.4,26.1,30.2 2025-12-07,29.3,32.7,26.6,26.8 2025-12-08,31.6,34.7,29.5,30.4 2025-12-09,31.1,36.5,27.9,33.6 2025-12-10,37.4,41.9,28.9,28.9 2025-12-11,38.3,42.4,35.8,40.1 2025-12-12,38.5,39.7,36.9,38.7 2025-12-13,38.3,46.2,31.6,39.4 2025-12-14,41.2,50.0,31.8,40.3 2025-12-15,39.2,45.7,32.5,36.3 2025-12-16,35.2,39.9,31.5,38.1 2025-12-17,27.9,41.0,21.6,36.5 2025-12-18,25.7,33.6,20.5,22.1 2025-12-19,24.6,33.8,14.0,33.4 2025-12-20,18.0,22.8,13.8,17.8 2025-12-21,26.8,31.5,17.4,17.6 2025-12-22,29.3,32.5,25.9,31.1 2025-12-23,31.8,36.0,29.8,30.0 2025-12-24,32.9,38.1,30.0,31.8 2025-12-25,34.0,39.2,31.5,32.5 2025-12-26,28.8,33.8,25.3,31.5 2025-12-27,13.1,25.5,4.3,25.3 2025-12-28,7.7,15.4,-0.2,4.3 2025-12-29,19.9,31.6,10.9,15.1 2025-12-30,26.8,42.4,18.9,21.2 2025-12-31,33.6,48.7,27.0,28.4 2026-01-01,33.8,44.8,26.4,27.5 2026-01-02,33.1,34.9,31.6,32.2 2026-01-03,34.5,42.1,29.7,32.0 2026-01-04,31.8,34.7,28.6,33.4 2026-01-05,26.2,30.4,22.8,29.5 2026-01-06,27.1,28.8,23.9,23.9 2026-01-07,20.5,28.9,9.7,28.4 2026-01-08,17.6,19.9,15.4,18.0 2026-01-09,21.2,23.7,17.2,17.2 2026-01-10,22.3,30.9,16.0,21.6 2026-01-11,28.9,35.6,19.9,20.3 2026-01-12,36.1,43.2,27.1,33.4 2026-01-13,37.0,45.5,30.2,39.4 2026-01-14,37.0,49.6,28.6,32.0 2026-01-15,29.8,37.8,18.7,32.5 2026-01-16,21.2,34.2,15.3,19.4 2026-01-17,26.2,40.6,15.3,16.0 2026-01-18,24.3,38.1,13.8,28.2 2026-01-19,22.8,32.2,12.2,13.8 2026-01-20,24.4,33.3,15.4,25.7 2026-01-21,21.0,33.6,12.6,16.2 2026-01-22,18.5,31.8,10.9,16.0 2026-01-23,8.2,12.9,-0.8,12.7 2026-01-24,10.0,12.4,7.5,8.4 2026-01-25,11.3,20.7,-1.1,10.4 2026-01-26,24.1,33.6,14.9,17.6 2026-01-27,26.8,36.1,18.9,23.4 2026-01-28,26.8,31.5,23.9,28.6 2026-01-29,29.1,33.8,26.1,26.8 2026-01-30,34.5,39.0,27.5,28.8 2026-01-31,35.1,41.5,29.5,35.8 2026-02-01,34.7,45.1,27.5,29.5 2026-02-02,31.1,35.2,25.9,32.0 2026-02-03,32.9,39.9,29.1,30.4 2026-02-04,37.4,48.2,29.7,33.1 2026-02-05,40.3,56.7,31.5,36.0 2026-02-06,40.5,51.8,32.7,34.7 2026-02-07,37.8,46.6,28.0,34.7 2026-02-08,33.3,36.5,30.2,34.2 2026-02-09,25.3,32.0,22.3,31.8 2026-02-10,20.7,32.2,12.4,22.6 2026-02-11,21.9,37.9,13.6,14.7 2026-02-12,24.3,36.3,16.0,16.9 2026-02-13,27.7,34.3,21.9,26.2 2026-02-14,31.3,36.0,28.4,28.6 2026-02-15,30.0,32.9,27.9,30.4 2026-02-16,30.6,41.4,23.0,28.8 2026-02-17,21.6,29.7,14.5,29.5 2026-02-18,16.5,21.2,11.8,15.4 2026-02-19,12.2,22.8,2.5,12.7 2026-02-20,14.4,17.4,9.7,10.9 2026-02-21,18.7,34.5,5.0,10.0 2026-02-22,31.3,43.7,17.2,18.1 2026-02-23,35.6,39.0,31.5,32.7 2026-02-24,31.1,32.2,29.3,32.0 2026-02-25,27.5,31.6,23.2,31.3 2026-02-26,27.5,36.9,18.0,24.1 2026-02-27,32.4,40.8,20.8,28.8 2026-02-28,34.5,43.7,25.9,33.6 2026-03-01,33.3,44.8,24.4,26.2 2026-03-02,33.1,43.9,23.4,31.1 2026-03-03,36.5,48.2,21.9,23.9 2026-03-04,34.3,40.8,27.5,38.5 2026-03-05,26.8,29.3,25.3,27.9 2026-03-06,25.5,27.3,24.1,25.3 2026-03-07,32.5,38.5,26.6,27.1 2026-03-08,37.8,41.9,31.5,36.9 2026-03-09,22.8,33.4,11.5,33.4 2026-03-10,16.2,21.6,9.0,11.5 2026-03-11,23.5,30.4,10.9,11.8 2026-03-12,28.8,31.6,26.6,30.2 2026-03-13,31.6,33.1,29.1,29.1 2026-03-14,24.1,31.8,12.7,31.8 2026-03-15,19.8,32.4,8.2,12.7 2026-03-16,31.6,38.8,23.0,23.0 2026-03-17,41.0,45.7,35.8,37.8 2026-03-18,46.6,55.6,33.8,45.0 2026-03-19,49.6,59.0,38.3,46.4 2026-03-20,49.3,61.2,36.9,43.2 2026-03-21,33.3,43.2,21.9,37.6 2026-03-22,31.3,42.4,23.5,23.7 2026-03-23,36.9,46.9,25.9,27.5 2026-03-24,42.4,48.7,37.0,38.8 2026-03-25,34.0,41.9,26.8,41.9 2026-03-26,22.1,29.5,15.1,26.8 2026-03-27,33.3,50.9,14.0,16.0 2026-03-28,42.6,52.0,34.9,39.4 2026-03-29,37.0,43.3,30.6,36.0 2026-03-30,25.3,31.5,14.7,30.7 2026-03-31,29.7,37.8,20.3,22.1 2026-04-01,35.4,44.6,31.6,31.8 2026-04-02,26.4,32.4,24.1,32.2 2026-04-03,28.4,35.4,23.5,26.6 2026-04-04,34.7,48.4,24.3,24.4 2026-04-05,41.0,55.6,28.2,29.3 2026-04-06,43.3,55.8,31.8,35.1 2026-04-07,43.2,49.8,34.0,42.4 2026-04-08,37.8,47.3,24.1,34.0 2026-04-09,36.5,50.2,24.6,32.5 2026-04-10,42.6,58.8,29.1,31.5 2026-04-11,38.5,49.6,31.3,36.7 2026-04-12,35.2,41.4,29.3,33.6 2026-04-13,32.9,39.0,28.0,30.2 2026-04-14,34.0,42.6,29.5,31.6 2026-04-15,28.8,37.0,20.3,30.6 2026-04-16,21.2,25.9,18.0,20.3 2026-04-17,22.6,31.5,14.0,21.4 2026-04-18,29.1,45.1,13.8,14.0 2026-04-19,40.6,57.2,24.4,25.9 2026-04-20,47.3,62.8,34.7,37.6 2026-04-21,49.8,66.4,37.4,39.4 2026-04-22,33.8,41.4,28.0,37.8 2026-04-23,25.3,30.4,15.8,29.7 2026-04-24,22.8,30.9,15.4,19.2 2026-04-25,24.8,35.8,12.9,19.4 2026-04-26,27.5,37.4,16.7,18.1 2026-04-27,29.1,38.1,19.9,25.7 2026-04-28,32.7,44.2,25.9,28.0 2026-04-29,34.7,47.8,24.4,25.9 2026-04-30,38.1,51.6,26.2,28.6 2026-05-01,43.7,59.2,29.5,31.3 2026-05-02,46.8,60.3,35.2,36.3 2026-05-03,46.8,60.6,35.2,37.6 2026-05-04,44.4,59.5,32.7,36.5 2026-05-05,39.6,52.5,29.7,33.1 2026-05-06,45.5,58.1,27.3,29.7 2026-05-07,46.0,57.2,35.8,43.5 2026-05-08,44.6,54.7,33.3,36.3 2026-05-09,43.0,55.0,32.5,35.6 2026-05-10,50.5,66.6,34.2,35.1 2026-05-11,46.4,59.9,35.6,42.4 2026-05-12,51.8,72.3,35.8,37.8 2026-05-13,43.9,63.5,32.4,46.9 2026-05-14,38.1,47.5,32.5,34.2 2026-05-15,37.8,45.9,31.1,36.7 2026-05-16,28.9,34.3,22.3,31.1 2026-05-17,29.1,36.7,22.8,25.5 2026-05-18,32.0,43.7,19.6,24.3 2026-05-19,37.4,46.9,26.8,28.4 2026-05-20,39.0,48.7,31.8,36.3 2026-05-21,36.9,49.6,26.4,31.8 2026-05-22,43.0,54.3,30.6,33.6 2026-05-23,47.5,61.0,34.2,35.4 2026-05-24,50.0,64.0,38.5,39.9 2026-05-25,53.1,70.3,39.0,40.6 2026-05-26,44.2,50.0,37.4,42.8 2026-05-27,52.5,69.6,38.8,40.1 2026-05-28,56.8,75.4,41.2,42.6 2026-05-29,50.4,64.2,39.9,43.0 2026-05-30,40.3,43.7,34.7,42.4 2026-05-31,37.0,41.5,33.4,34.7 2026-06-01,42.3,53.2,33.6,35.8 2026-06-02,45.5,58.5,32.5,33.8 2026-06-03,49.8,64.2,35.8,36.9 2026-06-04,47.7,59.5,37.2,46.2 2026-06-05,51.1,67.8,36.5,37.4 2026-06-06,44.1,55.4,36.9,41.7 2026-06-07,32.9,40.8,28.2,36.9 2026-06-08,45.3,57.9,27.5,28.2 2026-06-09,39.0,44.4,33.4,43.2 2026-06-10,33.8,36.3,30.6,33.4 2026-06-11,44.2,57.9,32.2,34.2 2026-06-12,48.4,61.2,34.5,38.5 2026-06-13,45.7,59.5,34.0,34.5 2026-06-14,49.1,64.9,33.1,36.7 2026-06-15,56.7,70.5,39.4,41.0 2026-06-16,59.2,69.1,46.8,46.8 2026-06-17,51.8,61.0,42.4,52.9 2026-06-18,52.2,66.7,37.4,45.0 2026-06-19,55.8,73.0,39.9,43.0 2026-06-20,57.2,66.6,45.0,47.5 2026-06-21,53.4,66.9,39.0,45.0 2026-06-22,52.9,66.2,39.2,42.3 2026-06-23,55.9,70.9,39.2,42.6 2026-06-24,59.9,73.0,43.3,55.9 2026-06-25,58.6,68.0,47.7,50.4 2026-06-26,47.1,53.2,40.3,53.1 2026-06-27,40.6,46.2,36.9,40.5 2026-06-28,36.1,38.7,33.4,36.9 2026-06-29,40.3,42.1,38.3,38.3 2026-06-30,47.7,56.8,41.5,41.7 2026-07-01,49.5,60.3,41.7,43.5 2026-07-02,52.7,66.7,39.0,43.7 2026-07-03,54.7,68.0,40.5,43.9 2026-07-04,60.6,75.2,44.8,45.9 2026-07-05,60.1,75.0,45.9,48.9 2026-07-06,54.0,67.3,44.8,46.6 2026-07-07,60.3,74.8,45.3,50.7 2026-07-08,62.8,76.1,48.2,50.7 2026-07-09,57.7,71.8,43.3,48.4 2026-07-10,63.9,79.5,45.9,48.6 2026-07-11,65.8,81.0,50.9,55.6 2026-07-12,65.3,78.1,50.7,56.5 2026-07-13,65.1,75.9,56.5,61.3 2026-07-14,,,,58.6 2026-07-15,62.4,76.8,49.1,49.8 2026-07-16,68.7,84.7,51.6,56.1 2026-07-17,69.1,81.9,55.9,64.2 2026-07-18,64.9,79.7,52.9,57.6 2026-07-19,62.8,77.5,49.1,53.6 2026-07-20,61.7,74.3,50.7,53.2 2026-07-21,65.5,79.5,51.3,54.9 2026-07-22,68.0,80.2,54.5,60.3 2026-07-23,66.9,80.8,55.2,60.3 2026-07-24,68.9,82.2,56.8,57.0 2026-07-25,68.9,84.2,52.9,58.5 2026-07-26,63.1,77.5,47.1,52.9 2026-07-27,62.6,75.6,48.2,57.0 2026-07-28,64.2,78.4,48.9,52.9 2026-07-29,63.5,79.7,47.8,52.9 2026-07-30,64.2,78.4,50.9,54.7 2026-07-31,67.6,83.1,51.6,54.9 2026-08-01,67.3,79.9,53.4,59.9 2026-08-02,52.0,64.8,40.5,53.6 2026-08-03,49.5,62.2,35.8,46.2 2026-08-04,52.5,68.9,36.9,41.4 2026-08-05,57.9,73.9,40.8,43.2 2026-08-06,63.0,79.0,49.5,51.3 2026-08-07,64.2,78.8,51.3,52.5 2026-08-08,63.5,79.0,50.4,54.0 2026-08-09,61.2,76.6,47.3,51.3 2026-08-10,60.8,75.9,47.5,52.5 2026-08-11,60.8,76.1,46.2,48.9 2026-08-12,61.3,75.9,48.0,51.1 2026-08-13,56.1,71.4,46.4,51.3 2026-08-14,,,,48.9