#------------------------------------------------- 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 Average (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 21, 2026, 6:17:22 PM GMT-08:00 # Day,Oct,Nov,Dec,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep ,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values 01,0.00,4.10,10.20,16.50,22.50,27.60,32.50,36.40,39.60,42.90,44.30,45.60 02,0.10,4.30,10.50,16.70,22.70,27.80,32.70,36.40,39.70,43.00,44.30,45.70 03,0.20,4.50,10.80,16.90,22.90,27.90,32.80,36.50,39.90,43.00,44.30,45.70 04,0.30,4.50,10.90,17.00,23.00,28.10,32.90,36.60,40.00,43.10,44.40,45.70 05,0.40,4.70,11.10,17.20,23.30,28.30,33.10,36.70,40.10,43.20,44.40,45.80 06,0.50,4.90,11.30,17.40,23.40,28.50,33.20,36.70,40.20,43.20,44.40,45.90 07,0.50,5.20,11.50,17.60,23.60,28.70,33.40,36.80,40.40,43.30,44.40,46.00 08,0.60,5.40,11.70,17.80,23.90,28.80,33.50,36.90,40.50,43.40,44.50,46.00 09,0.70,5.60,11.90,18.10,24.10,29.00,33.60,37.00,40.60,43.40,44.50,46.10 10,0.80,5.70,12.00,18.30,24.40,29.20,33.80,37.10,40.70,43.40,44.50,46.20 11,0.80,5.80,12.20,18.50,24.50,29.40,34.00,37.20,40.90,43.50,44.60,46.20 12,1.00,6.00,12.30,18.70,24.60,29.50,34.10,37.30,41.00,43.60,44.60,46.30 13,1.10,6.30,12.60,19.00,24.70,29.60,34.20,37.40,41.10,43.60,44.70,46.30 14,1.30,6.50,12.80,19.20,24.90,29.70,34.40,37.50,41.40,43.70,44.70,46.40 15,1.40,6.60,13.00,19.40,25.00,29.80,34.50,37.60,41.50,43.80,44.70,46.40 16,1.60,6.80,13.20,19.60,25.20,30.10,34.60,37.70,41.60,43.80,44.80,46.50 17,1.70,7.00,13.40,19.80,25.40,30.30,34.80,37.80,41.80,43.80,44.90,46.60 18,1.80,7.20,13.60,20.00,25.60,30.50,34.90,37.90,42.00,43.80,44.90,46.70 19,1.90,7.30,13.80,20.30,25.80,30.60,35.00,38.00,42.00,43.90,44.90,46.80 20,2.10,7.60,14.00,20.50,26.00,30.70,35.10,38.10,42.20,43.90,44.90,46.90 21,2.20,7.80,14.20,20.60,26.20,30.90,35.20,38.20,42.30,43.90,45.00,47.00 22,2.40,8.10,14.40,20.80,26.40,31.00,35.20,38.40,42.30,44.00,45.10,47.00 23,2.50,8.30,14.60,20.90,26.60,31.10,35.30,38.60,42.40,44.00,45.20,47.10 24,2.60,8.50,14.70,21.10,26.90,31.30,35.50,38.70,42.40,44.10,45.20,47.10 25,2.70,8.70,14.90,21.20,27.10,31.40,35.60,38.80,42.50,44.10,45.20,47.20 26,2.80,9.10,15.00,21.40,27.20,31.50,35.70,38.90,42.50,44.10,45.30,47.30 27,3.00,9.30,15.20,21.50,27.40,31.70,35.80,39.10,42.60,44.10,45.40,47.40 28,3.10,9.50,15.40,21.60,27.50,31.80,36.00,39.30,42.70,44.20,45.40,47.50 29,3.40,9.80,15.80,21.80,,32.00,36.00,39.40,42.80,44.20,45.50,47.50 30,3.50,10.00,16.10,22.00,,32.20,36.20,39.40,42.90,44.20,45.50,47.70 31,3.70,,16.30,22.20,,32.40,,39.50,,44.30,45.50,