#------------------------------------------------- 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: 1980-10-01 to 1981-09-30 # 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 Median (1981-2010) 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 # # 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: 1980-10-01 to 1981-09-30 # # As of: Apr 29, 2024, 9:08:42 PM GMT-08:00 # Day,Oct,Nov,Dec,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep ,Median Snow Water Equivalent (1981-2010) (in) Start of Month Values,Median Snow Water Equivalent (1981-2010) (in) Start of Month Values,Median Snow Water Equivalent (1981-2010) (in) Start of Month Values,Median Snow Water Equivalent (1981-2010) (in) Start of Month Values,Median Snow Water Equivalent (1981-2010) (in) Start of Month Values,Median Snow Water Equivalent (1981-2010) (in) Start of Month Values,Median Snow Water Equivalent (1981-2010) (in) Start of Month Values,Median Snow Water Equivalent (1981-2010) (in) Start of Month Values,Median Snow Water Equivalent (1981-2010) (in) Start of Month Values,Median Snow Water Equivalent (1981-2010) (in) Start of Month Values,Median Snow Water Equivalent (1981-2010) (in) Start of Month Values,Median Snow Water Equivalent (1981-2010) (in) Start of Month Values 01,0.0,1.0,7.9,16.1,24.9,30.2,35.4,33.0,16.5,0.0,0.0,0.0 02,0.0,1.1,8.2,16.5,25.1,30.4,35.6,32.8,15.4,0.0,0.0,0.0 03,0.0,1.2,8.4,16.8,25.3,30.7,35.7,32.6,14.1,0.0,0.0,0.0 04,0.0,1.4,8.8,17.2,25.4,31.1,35.7,32.4,12.7,0.0,0.0,0.0 05,0.0,1.5,9.0,17.6,25.5,31.4,35.7,32.2,11.2,0.0,0.0,0.0 06,0.0,1.6,9.3,18.0,25.6,31.8,35.6,32.0,9.7,0.0,0.0,0.0 07,0.0,1.8,9.6,18.4,25.6,32.1,35.5,31.7,8.1,0.0,0.0,0.0 08,0.0,1.9,9.7,18.8,25.7,32.4,35.4,31.4,6.6,0.0,0.0,0.0 09,0.0,2.1,9.9,19.3,25.8,32.6,35.2,31.1,5.1,0.0,0.0,0.0 10,0.0,2.3,10.0,19.8,26.0,32.6,35.0,30.7,3.8,0.0,0.0,0.0 11,0.0,2.5,10.2,20.2,26.2,32.6,34.8,30.4,2.7,0.0,0.0,0.0 12,0.0,2.8,10.4,20.6,26.4,32.6,34.6,30.0,1.5,0.0,0.0,0.0 13,0.0,3.0,10.7,21.0,26.6,32.6,34.3,29.5,0.4,0.0,0.0,0.0 14,0.0,3.2,11.0,21.4,26.9,32.6,34.1,28.9,0.1,0.0,0.0,0.0 15,0.0,3.4,11.3,21.6,27.2,32.6,34.0,28.3,0.0,0.0,0.0,0.0 16,0.0,3.6,11.6,21.8,27.6,32.5,33.9,27.7,0.0,0.0,0.0,0.0 17,0.1,3.8,11.9,22.0,28.0,32.4,33.9,27.0,0.0,0.0,0.0,0.0 18,0.1,4.0,12.1,22.2,28.3,32.5,33.8,26.4,0.0,0.0,0.0,0.0 19,0.1,4.3,12.3,22.3,28.7,32.5,33.8,25.8,0.0,0.0,0.0,0.0 20,0.1,4.5,12.5,22.4,29.0,32.6,33.8,25.1,0.0,0.0,0.0,0.0 21,0.1,4.8,12.8,22.6,29.4,32.7,33.8,24.4,0.0,0.0,0.0,0.0 22,0.2,5.2,13.0,22.8,29.6,32.9,33.8,23.7,0.0,0.0,0.0,0.0 23,0.2,5.6,13.3,23.0,29.7,33.1,33.7,23.1,0.0,0.0,0.0,0.0 24,0.2,6.0,13.6,23.3,29.8,33.4,33.7,22.3,0.0,0.0,0.0,0.0 25,0.3,6.3,14.0,23.5,29.9,33.6,33.6,21.5,0.0,0.0,0.0,0.0 26,0.4,6.7,14.3,23.7,29.9,33.9,33.6,20.8,0.0,0.0,0.0,0.0 27,0.5,7.0,14.6,23.9,30.0,34.2,33.5,20.2,0.0,0.0,0.0,0.0 28,0.6,7.2,14.8,24.1,30.0,34.5,33.4,19.5,0.0,0.0,0.0,0.0 29,0.7,7.4,15.1,24.3,,34.8,33.3,18.8,0.0,0.0,0.0,0.0 30,0.8,7.6,15.4,24.5,,35.0,33.2,18.2,0.0,0.0,0.0,0.0 31,0.9,,15.7,24.8,,35.2,,17.4,,0.0,0.0,