#------------------------------------------------- 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: 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 609: Madison Plateau, 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 # 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 # #------------------------------------------------------------------------------------------------------ # # Madison Plateau (609) # Montana SNOTEL Site - 7750 ft # Reporting Frequency: Daily; Date Range: 1990-10-01 to 1991-09-30 # # As of: May 19, 2024, 4:19:02 AM 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 01,0.0,3.1,7.3,12.5,17.0,21.0,25.2,29.2,33.2,36.0,37.3,38.7 02,0.1,3.2,7.5,12.7,17.1,21.1,25.4,29.3,33.4,36.1,37.4,38.7 03,0.2,3.4,7.8,12.9,17.2,21.3,25.5,29.4,33.5,36.1,37.4,38.8 04,0.3,3.5,8.0,13.0,17.3,21.5,25.6,29.5,33.6,36.2,37.5,38.8 05,0.5,3.7,8.2,13.2,17.4,21.6,25.7,29.6,33.7,36.2,37.5,38.8 06,0.6,3.8,8.3,13.3,17.5,21.8,25.9,29.7,33.8,36.3,37.6,38.9 07,0.7,4.0,8.4,13.4,17.6,22.0,26.1,29.8,34.0,36.3,37.7,39.0 08,0.7,4.1,8.6,13.6,17.8,22.2,26.3,30.0,34.2,36.4,37.7,39.1 09,0.8,4.2,8.8,13.8,17.9,22.4,26.4,30.1,34.4,36.4,37.8,39.1 10,0.8,4.3,8.9,13.9,18.0,22.5,26.5,30.2,34.5,36.5,37.8,39.2 11,0.9,4.4,9.0,14.1,18.1,22.6,26.6,30.3,34.6,36.6,37.8,39.3 12,1.0,4.5,9.2,14.4,18.2,22.7,26.7,30.4,34.7,36.6,37.9,39.3 13,1.1,4.7,9.4,14.5,18.3,22.8,26.9,30.5,34.8,36.7,37.9,39.4 14,1.2,4.8,9.6,14.6,18.5,22.9,27.0,30.6,35.0,36.7,38.0,39.5 15,1.3,4.9,9.8,14.7,18.6,23.0,27.1,30.7,35.0,36.8,38.0,39.6 16,1.4,4.9,9.9,14.8,18.7,23.2,27.3,30.9,35.2,36.8,38.0,39.7 17,1.5,5.2,10.0,15.0,18.9,23.3,27.4,31.1,35.2,36.8,38.0,39.8 18,1.6,5.3,10.2,15.1,19.0,23.5,27.5,31.3,35.3,36.8,38.1,39.9 19,1.6,5.4,10.3,15.2,19.3,23.6,27.7,31.4,35.4,36.9,38.1,39.9 20,1.8,5.6,10.5,15.4,19.4,23.7,27.8,31.5,35.5,36.9,38.2,40.0 21,1.9,5.8,10.6,15.5,19.6,23.8,27.9,31.6,35.5,36.9,38.2,40.1 22,2.0,5.9,10.8,15.7,19.8,23.9,28.0,31.8,35.6,36.9,38.2,40.2 23,2.0,6.2,10.9,15.9,19.9,24.0,28.1,32.0,35.6,37.0,38.3,40.3 24,2.2,6.3,11.0,16.0,20.1,24.1,28.2,32.1,35.7,37.0,38.4,40.3 25,2.4,6.4,11.1,16.1,20.3,24.2,28.3,32.3,35.7,37.0,38.4,40.3 26,2.4,6.6,11.3,16.2,20.5,24.3,28.6,32.4,35.8,37.1,38.4,40.4 27,2.6,6.7,11.4,16.4,20.7,24.5,28.7,32.6,35.8,37.2,38.4,40.4 28,2.6,6.9,11.7,16.6,20.8,24.6,28.8,32.7,35.9,37.2,38.5,40.5 29,2.8,7.0,11.9,16.7,,24.8,28.9,32.8,35.9,37.2,38.6,40.5 30,2.8,7.1,12.2,16.8,,25.0,29.1,33.0,36.0,37.3,38.6,40.6 31,3.0,,12.3,16.9,,25.1,,33.1,,37.3,38.7,