#------------------------------------------------- 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/wps/portal/wcc/home/dataAccessHelp/helpCenters/reportGeneratorHelp/ # 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: 2020-10-01 to 2021-10-18 # 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 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 # #------------------------------------------------------------------------------------------------------ # # Twin Lakes (836) # Montana SNOTEL Site - 6400 ft # Reporting Frequency: Daily; Date Range: 2020-10-01 to 2021-10-18 # # As of: Oct 18, 2021 12:56:34 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) 2020-10-01,0.0,0.0,0,0 2020-10-02,0.0,0.0,0,0 2020-10-03,0.0,0.0,0,0 2020-10-04,0.0,0.0,0,0 2020-10-05,0.0,0.0,0,0 2020-10-06,0.0,0.0,0,0 2020-10-07,0.0,0.0,0,0 2020-10-08,0.0,0.0,0,0 2020-10-09,0.0,0.0,0,0 2020-10-10,0.0,0.0,0,0 2020-10-11,0.1,0.1,1,1 2020-10-12,1.0,0.9,7,6 2020-10-13,1.0,0.0,5,-2 2020-10-14,0.8,-0.2,4,-1 2020-10-15,1.3,0.5,8,4 2020-10-16,1.3,0.0,8,0 2020-10-17,1.0,-0.3,4,-4 2020-10-18,0.3,-0.7,2,-2 2020-10-19,0.7,0.4,2,0 2020-10-20,0.1,-0.6,1,-1 2020-10-21,0.0,-0.1,0,-1 2020-10-22,0.6,0.6,6,6 2020-10-23,0.4,-0.2,3,-3 2020-10-24,1.4,1.0,12,9 2020-10-25,1.8,0.4,16,4 2020-10-26,1.9,0.1,14,-2 2020-10-27,1.9,0.0,13,-1 2020-10-28,1.9,0.0,11,-2 2020-10-29,1.9,0.0,10,-1 2020-10-30,1.7,-0.2,8,-2 2020-10-31,1.8,0.1,7,-1 2020-11-01,1.6,-0.2,7,0 2020-11-02,1.7,0.1,7,0 2020-11-03,1.7,0.0,6,-1 2020-11-04,1.6,-0.1,5,-1 2020-11-05,1.5,-0.1,5,0 2020-11-06,1.0,-0.5,3,-2 2020-11-07,0.4,-0.6,2,-1 2020-11-08,0.3,-0.1,2,0 2020-11-09,0.4,0.1,2,0 2020-11-10,0.5,0.1,4,2 2020-11-11,1.0,0.5,10,6 2020-11-12,1.4,0.4,16,6 2020-11-13,1.4,0.0,13,-3 2020-11-14,2.5,1.1,21,8 2020-11-15,3.4,0.9,27,6 2020-11-16,3.8,0.4,26,-1 2020-11-17,3.9,0.1,24,-2 2020-11-18,3.9,0.0,20,-4 2020-11-19,4.6,0.7,23,3 2020-11-20,5.2,0.6,27,4 2020-11-21,5.2,0.0,24,-3 2020-11-22,5.2,0.0,23,-1 2020-11-23,5.2,0.0,22,-1 2020-11-24,5.2,0.0,22,0 2020-11-25,5.2,0.0,22,0 2020-11-26,5.6,0.4,22,0 2020-11-27,5.8,0.2,26,4 2020-11-28,5.8,0.0,25,-1 2020-11-29,5.8,0.0,24,-1 2020-11-30,5.8,0.0,23,-1 2020-12-01,6.3,0.5,30,7 2020-12-02,6.3,0.0,28,-2 2020-12-03,6.3,0.0,26,-2 2020-12-04,6.3,0.0,26,0 2020-12-05,6.3,0.0,25,-1 2020-12-06,6.3,0.0,24,-1 2020-12-07,6.3,0.0,24,0 2020-12-08,6.4,0.1,24,0 2020-12-09,6.4,0.0,23,-1 2020-12-10,6.4,0.0,23,0 2020-12-11,6.3,-0.1,23,0 2020-12-12,6.5,0.2,26,3 2020-12-13,6.4,-0.1,26,0 2020-12-14,6.6,0.2,27,1 2020-12-15,6.7,0.1,27,0 2020-12-16,7.2,0.5,31,4 2020-12-17,7.5,0.3,32,1 2020-12-18,8.1,0.6,35,3 2020-12-19,8.3,0.2,34,-1 2020-12-20,9.2,0.9,39,5 2020-12-21,10.8,1.6,51,12 2020-12-22,11.4,0.6,48,-3 2020-12-23,12.3,0.9,60,12 2020-12-24,12.2,-0.1,55,-5 2020-12-25,12.2,0.0,51,-4 2020-12-26,12.3,0.1,50,-1 2020-12-27,12.8,0.5,52,2 2020-12-28,12.8,0.0,51,-1 2020-12-29,12.8,0.0,49,-2 2020-12-30,12.8,0.0,48,-1 2020-12-31,13.3,0.5,51,3 2021-01-01,13.6,0.3,52,1 2021-01-02,13.6,0.0,51,-1 2021-01-03,13.9,0.3,53,2 2021-01-04,14.9,1.0,59,6 2021-01-05,15.8,0.9,65,6 2021-01-06,16.0,0.2,64,-1 2021-01-07,16.0,0.0,61,-3 2021-01-08,16.1,0.1,62,1 2021-01-09,16.1,0.0,60,-2 2021-01-10,16.0,-0.1,59,-1 2021-01-11,16.1,0.1,58,-1 2021-01-12,16.2,0.1,56,-2 2021-01-13,18.0,1.8,66,10 2021-01-14,19.1,1.1,74,8 2021-01-15,18.9,-0.2,68,-6 2021-01-16,19.2,0.3,68,0 2021-01-17,19.1,-0.1,66,-2 2021-01-18,19.8,0.7,70,4 2021-01-19,19.7,-0.1,67,-3 2021-01-20,19.8,0.1,66,-1 2021-01-21,19.8,0.0,65,-1 2021-01-22,19.9,0.1,66,1 2021-01-23,19.9,0.0,64,-2 2021-01-24,19.9,0.0,64,0 2021-01-25,20.0,0.1,63,-1 2021-01-26,20.0,0.0,62,-1 2021-01-27,20.0,0.0,62,0 2021-01-28,20.2,0.2,61,-1 2021-01-29,20.4,0.2,61,0 2021-01-30,20.7,0.3,63,2 2021-01-31,20.7,0.0,63,0 2021-02-01,20.7,0.0,62,-1 2021-02-02,20.9,0.2,62,0 2021-02-03,21.4,0.5,65,3 2021-02-04,21.5,0.1,67,2 2021-02-05,21.9,0.4,72,5 2021-02-06,23.1,1.2,80,8 2021-02-07,24.5,1.4,89,9 2021-02-08,25.5,1.0,95,6 2021-02-09,26.1,0.6,97,2 2021-02-10,26.1,0.0,92,-5 2021-02-11,26.1,0.0,90,-2 2021-02-12,26.1,0.0,88,-2 2021-02-13,26.3,0.2,88,0 2021-02-14,26.6,0.3,90,2 2021-02-15,27.0,0.4,91,1 2021-02-16,27.7,0.7,94,3 2021-02-17,28.4,0.7,102,8 2021-02-18,28.6,0.2,99,-3 2021-02-19,29.0,0.4,98,-1 2021-02-20,29.9,0.9,102,4 2021-02-21,30.2,0.3,103,1 2021-02-22,30.8,0.6,102,-1 2021-02-23,32.7,1.9,113,11 2021-02-24,33.7,1.0,118,5 2021-02-25,33.8,0.1,110,-8 2021-02-26,34.6,0.8,121,11 2021-02-27,35.9,1.3,128,7 2021-02-28,36.3,0.4,126,-2 2021-03-01,36.4,0.1,121,-5 2021-03-02,36.6,0.2,115,-6 2021-03-03,36.6,0.0,110,-5 2021-03-04,36.6,0.0,107,-3 2021-03-05,36.7,0.1,105,-2 2021-03-06,36.8,0.1,103,-2 2021-03-07,36.8,0.0,103,0 2021-03-08,36.8,0.0,102,-1 2021-03-09,37.0,0.2,104,2 2021-03-10,37.0,0.0,103,-1 2021-03-11,36.9,-0.1,102,-1 2021-03-12,36.9,0.0,101,-1 2021-03-13,37.0,0.1,100,-1 2021-03-14,37.1,0.1,98,-2 2021-03-15,37.1,0.0,97,-1 2021-03-16,37.1,0.0,96,-1 2021-03-17,37.1,0.0,94,-2 2021-03-18,37.1,0.0,93,-1 2021-03-19,37.4,0.3,91,-2 2021-03-20,37.8,0.4,91,0 2021-03-21,37.8,0.0,92,1 2021-03-22,38.1,0.3,94,2 2021-03-23,38.4,0.3,96,2 2021-03-24,38.6,0.2,94,-2 2021-03-25,39.1,0.5,98,4 2021-03-26,39.6,0.5,97,-1 2021-03-27,39.8,0.2,98,1 2021-03-28,39.9,0.1,95,-3 2021-03-29,40.3,0.4,97,2 2021-03-30,41.1,0.8,106,9 2021-03-31,41.1,0.0,102,-4 2021-04-01,41.3,0.2,97,-5 2021-04-02,41.2,-0.1,94,-3 2021-04-03,41.0,-0.2,92,-2 2021-04-04,40.9,-0.1,90,-2 2021-04-05,40.7,-0.2,89,-1 2021-04-06,40.9,0.2,91,2 2021-04-07,40.8,-0.1,89,-2 2021-04-08,40.9,0.1,87,-2 2021-04-09,41.0,0.1,89,2 2021-04-10,41.0,0.0,87,-2 2021-04-11,41.1,0.1,91,4 2021-04-12,41.1,0.0,88,-3 2021-04-13,41.0,-0.1,87,-1 2021-04-14,41.0,0.0,87,0 2021-04-15,40.9,-0.1,86,-1 2021-04-16,41.1,0.2,86,0 2021-04-17,40.8,-0.3,85,-1 2021-04-18,40.7,-0.1,83,-2 2021-04-19,40.1,-0.6,81,-2 2021-04-20,39.5,-0.6,81,0 2021-04-21,39.2,-0.3,80,-1 2021-04-22,39.1,-0.1,79,-1 2021-04-23,38.9,-0.2,78,-1 2021-04-24,38.7,-0.2,77,-1 2021-04-25,38.6,-0.1,76,-1 2021-04-26,38.4,-0.2,77,1 2021-04-27,38.0,-0.4,76,-1 2021-04-28,37.7,-0.3,75,-1 2021-04-29,37.6,-0.1,72,-3 2021-04-30,37.3,-0.3,70,-2 2021-05-01,36.7,-0.6,67,-3 2021-05-02,35.8,-0.9,65,-2 2021-05-03,34.6,-1.2,64,-1 2021-05-04,34.0,-0.6,62,-2 2021-05-05,33.3,-0.7,62,0 2021-05-06,33.0,-0.3,59,-3 2021-05-07,32.0,-1.0,57,-2 2021-05-08,31.2,-0.8,57,0 2021-05-09,30.9,-0.3,60,3 2021-05-10,30.7,-0.2,58,-2 2021-05-11,30.6,-0.1,57,-1 2021-05-12,30.2,-0.4,55,-2 2021-05-13,29.5,-0.7,53,-2 2021-05-14,28.5,-1.0,51,-2 2021-05-15,27.2,-1.3,48,-3 2021-05-16,25.9,-1.3,46,-2 2021-05-17,24.5,-1.4,44,-2 2021-05-18,22.8,-1.7,40,-4 2021-05-19,22.0,-0.8,40,0 2021-05-20,22.5,0.5,48,8 2021-05-21,22.5,0.0,44,-4 2021-05-22,22.3,-0.2,44,0 2021-05-23,21.9,-0.4,41,-3 2021-05-24,22.7,0.8,45,4 2021-05-25,22.8,0.1,42,-3 2021-05-26,22.1,-0.7,40,-2 2021-05-27,21.8,-0.3,38,-2 2021-05-28,20.6,-1.2,37,-1 2021-05-29,18.8,-1.8,35,-2 2021-05-30,17.6,-1.2,32,-3 2021-05-31,15.9,-1.7,29,-3 2021-06-01,13.9,-2.0,25,-4 2021-06-02,11.7,-2.2,23,-2 2021-06-03,9.3,-2.4,19,-4 2021-06-04,7.0,-2.3,15,-4 2021-06-05,4.2,-2.8,11,-4 2021-06-06,2.4,-1.8,7,-4 2021-06-07,1.6,-0.8,5,-2 2021-06-08,0.3,-1.3,1,-4 2021-06-09,0.0,-0.3,0,-1 2021-06-10,0.0,0.0,0,0 2021-06-11,0.0,0.0,0,0 2021-06-12,0.0,0.0,0,0 2021-06-13,0.0,0.0,0,0 2021-06-14,0.0,0.0,0,0 2021-06-15,0.0,0.0,0,0 2021-06-16,0.0,0.0,0,0 2021-06-17,0.0,0.0,0,0 2021-06-18,0.0,0.0,0,0 2021-06-19,0.0,0.0,0,0 2021-06-20,0.0,0.0,0,0 2021-06-21,0.0,0.0,0,0 2021-06-22,0.0,0.0,0,0 2021-06-23,0.0,0.0,0,0 2021-06-24,0.0,0.0,0,0 2021-06-25,0.0,0.0,0,0 2021-06-26,0.0,0.0,0,0 2021-06-27,0.0,0.0,0,0 2021-06-28,0.0,0.0,0,0 2021-06-29,0.0,0.0,0,0 2021-06-30,0.0,0.0,0,0 2021-07-01,0.0,0.0,0,0 2021-07-02,0.0,0.0,0,0 2021-07-03,0.0,0.0,0,0 2021-07-04,0.0,0.0,0,0 2021-07-05,0.0,0.0,0,0 2021-07-06,0.0,0.0,0,0 2021-07-07,0.0,0.0,0,0 2021-07-08,0.0,0.0,0,0 2021-07-09,0.0,0.0,0,0 2021-07-10,0.0,0.0,0,0 2021-07-11,0.0,0.0,0,0 2021-07-12,0.0,0.0,0,0 2021-07-13,0.0,0.0,0,0 2021-07-14,0.0,0.0,0,0 2021-07-15,0.0,0.0,0,0 2021-07-16,0.0,0.0,0,0 2021-07-17,0.0,0.0,0,0 2021-07-18,0.0,0.0,0,0 2021-07-19,0.0,0.0,0,0 2021-07-20,0.0,0.0,0,0 2021-07-21,0.0,0.0,0,0 2021-07-22,0.0,0.0,0,0 2021-07-23,0.0,0.0,0,0 2021-07-24,0.0,0.0,0,0 2021-07-25,0.0,0.0,0,0 2021-07-26,0.0,0.0,0,0 2021-07-27,0.0,0.0,0,0 2021-07-28,0.0,0.0,0,0 2021-07-29,0.0,0.0,0,0 2021-07-30,0.0,0.0,0,0 2021-07-31,0.0,0.0,0,0 2021-08-01,0.0,0.0,0,0 2021-08-02,0.0,0.0,0,0 2021-08-03,0.0,0.0,0,0 2021-08-04,0.0,0.0,0,0 2021-08-05,0.0,0.0,0,0 2021-08-06,0.0,0.0,0,0 2021-08-07,0.0,0.0,0,0 2021-08-08,0.0,0.0,0,0 2021-08-09,0.0,0.0,0,0 2021-08-10,0.0,0.0,0,0 2021-08-11,0.0,0.0,0,0 2021-08-12,0.0,0.0,0,0 2021-08-13,0.0,0.0,0,0 2021-08-14,0.0,0.0,0,0 2021-08-15,0.0,0.0,0,0 2021-08-16,0.0,0.0,0,0 2021-08-17,0.0,0.0,0,0 2021-08-18,0.0,0.0,0,0 2021-08-19,0.0,0.0,0,0 2021-08-20,0.0,0.0,0,0 2021-08-21,0.0,0.0,0,0 2021-08-22,0.0,0.0,0,0 2021-08-23,0.0,0.0,0,0 2021-08-24,0.0,0.0,0,0 2021-08-25,0.0,0.0,0,0 2021-08-26,0.0,0.0,0,0 2021-08-27,0.0,0.0,0,0 2021-08-28,0.0,0.0,0,0 2021-08-29,0.0,0.0,0,0 2021-08-30,0.0,0.0,0,0 2021-08-31,0.0,0.0,0,0 2021-09-01,0.0,0.0,0,0 2021-09-02,0.0,0.0,0,0 2021-09-03,0.0,0.0,0,0 2021-09-04,0.0,0.0,0,0 2021-09-05,0.0,0.0,0,0 2021-09-06,0.0,0.0,0,0 2021-09-07,0.0,0.0,0,0 2021-09-08,0.0,0.0,0,0 2021-09-09,0.0,0.0,0,0 2021-09-10,0.0,0.0,0,0 2021-09-11,0.0,0.0,0,0 2021-09-12,0.0,0.0,0,0 2021-09-13,0.0,0.0,0,0 2021-09-14,0.0,0.0,0,0 2021-09-15,0.0,0.0,0,0 2021-09-16,0.0,0.0,0,0 2021-09-17,0.0,0.0,0,0 2021-09-18,0.0,0.0,0,0 2021-09-19,0.0,0.0,0,0 2021-09-20,0.0,0.0,0,0 2021-09-21,0.0,0.0,0,0 2021-09-22,0.0,0.0,0,0 2021-09-23,0.0,0.0,0,0 2021-09-24,0.0,0.0,0,0 2021-09-25,0.0,0.0,0,0 2021-09-26,0.0,0.0,0,0 2021-09-27,0.0,0.0,0,0 2021-09-28,0.0,0.0,0,0 2021-09-29,0.0,0.0,0,0 2021-09-30,0.0,0.0,0,0 2021-10-01,0.0,0.0,0,0 2021-10-02,0.0,0.0,0,0 2021-10-03,0.0,0.0,0,0 2021-10-04,0.0,0.0,0,0 2021-10-05,0.0,0.0,0,0 2021-10-06,0.0,0.0,0,0 2021-10-07,0.0,0.0,0,0 2021-10-08,0.0,0.0,0,0 2021-10-09,0.0,0.0,0,0 2021-10-10,0.0,0.0,0,0 2021-10-11,0.0,0.0,0,0 2021-10-12,0.1,0.1,1,1 2021-10-13,0.0,-0.1,1,0 2021-10-14,0.1,0.1,2,1 2021-10-15,0.2,0.1,2,0 2021-10-16,0.2,0.0,1,-1 2021-10-17,0.0,-0.2,0,-1 2021-10-18,0.0,0.0,0,0