#------------------------------------------------- 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: 1990-10-01 to 1991-09-30 # Report Instantaneous Data As: Start of Day # # Data for the following site(s) are contained in this file: # # SNOTEL 835: Twelvemile Creek, MT # # Data items provided in this file: # # Element Name Value Type Function Type Function Duration Base Data Measurement Units Sensor Depth Element Code Description # Precipitation Accumulation Median (1991-2020) None Instantaneous - Start of Day N/A Inches N/A PREC Water year accumulated precipitation # # 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 # #------------------------------------------------------------------------------------------------------ # # Twelvemile Creek (835) # Montana SNOTEL Site - 5530 ft # Reporting Frequency: Daily; Date Range: 1990-10-01 to 1991-09-30 # # As of: Jul 10, 2026, 3:14:02 AM GMT-08:00 # Day,Oct,Nov,Dec,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep ,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values 01,0.00,4.00,10.00,16.70,22.80,28.40,33.70,36.80,40.00,42.80,43.60,44.70 02,0.00,4.20,10.80,16.70,23.00,28.40,33.90,36.80,40.20,42.80,43.60,45.00 03,0.10,4.20,11.00,16.80,23.30,28.50,33.90,37.00,40.30,43.00,43.60,45.00 04,0.10,4.20,11.20,16.80,23.50,28.80,33.90,37.40,40.40,43.00,43.60,45.00 05,0.10,4.50,11.40,16.80,23.60,28.80,34.00,37.40,40.40,43.00,43.60,45.00 06,0.20,4.60,11.60,17.20,23.70,29.00,34.00,37.40,40.60,43.00,43.60,45.00 07,0.20,4.90,11.60,17.20,23.80,29.20,34.00,37.60,41.00,43.00,43.60,45.00 08,0.40,5.00,11.60,17.50,24.00,29.40,34.60,37.60,41.00,43.00,43.70,45.20 09,0.60,5.00,11.80,18.00,24.50,29.60,34.60,37.60,41.00,43.10,43.80,45.20 10,0.60,5.20,11.80,18.40,24.70,29.60,34.90,37.60,41.00,43.10,43.80,45.20 11,0.70,5.20,12.00,18.40,24.80,29.80,35.00,37.70,41.30,43.20,43.80,45.20 12,1.00,5.40,12.00,18.70,24.80,30.10,35.00,37.70,41.30,43.20,43.80,45.40 13,1.00,6.00,12.00,19.00,24.80,30.30,35.10,37.80,41.40,43.20,43.80,45.90 14,1.20,6.40,12.40,19.20,24.90,30.40,35.40,37.90,41.40,43.20,43.80,46.10 15,1.20,6.50,12.60,19.60,25.40,30.60,35.60,38.20,41.40,43.20,43.80,46.10 16,1.20,6.60,12.80,19.70,25.60,30.80,35.80,38.30,41.40,43.20,43.80,46.10 17,1.40,7.00,13.10,19.70,25.60,31.20,35.80,38.30,41.40,43.30,43.80,46.10 18,1.40,7.30,13.30,19.80,25.80,31.50,35.80,38.30,41.40,43.30,43.80,46.10 19,1.50,7.70,13.50,20.00,25.90,31.60,36.00,38.30,41.40,43.30,43.80,46.10 20,1.60,8.20,13.80,20.20,26.00,31.80,36.10,38.30,41.70,43.30,43.90,46.20 21,1.90,8.40,13.80,20.20,26.20,31.90,36.30,38.60,41.80,43.30,44.00,46.20 22,2.40,8.40,13.80,20.60,26.60,32.10,36.40,39.00,41.90,43.30,44.00,46.20 23,2.40,8.40,14.00,20.80,26.70,32.20,36.40,39.20,42.00,43.40,44.00,46.30 24,2.40,8.60,14.20,21.00,27.00,32.30,36.40,39.30,42.00,43.40,44.00,46.30 25,2.60,8.60,14.50,21.00,27.60,32.60,36.40,39.60,42.00,43.40,44.00,46.60 26,2.60,9.00,14.60,21.20,27.80,32.80,36.60,39.60,42.00,43.40,44.40,47.00 27,3.00,9.00,15.20,21.30,28.00,32.90,36.60,39.60,42.00,43.40,44.60,47.40 28,3.10,9.20,15.40,21.40,28.10,33.10,36.60,39.80,42.00,43.50,44.60,47.50 29,3.40,9.40,16.00,21.80,,33.30,36.60,40.00,42.10,43.50,44.60,47.60 30,3.60,9.70,16.40,22.10,,33.30,36.80,40.00,42.60,43.50,44.60,48.10 31,3.80,,16.50,22.60,,33.30,,40.00,,43.60,44.70,