#------------------------------------------------- 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 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 # 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 17, 2024, 1:02:44 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 01,0.0,3.0,7.4,11.8,15.4,20.0,23.8,27.6,32.0,34.7,35.9,38.8 02,0.0,3.0,8.0,11.8,15.4,20.0,23.9,27.8,32.2,34.7,35.9,38.8 03,0.0,3.1,8.2,11.9,15.4,20.1,24.1,27.8,32.6,34.7,36.0,38.8 04,0.1,3.4,8.2,12.2,15.4,20.2,24.3,28.0,32.6,34.7,36.2,38.8 05,0.4,3.5,8.3,12.2,15.5,20.2,24.4,28.0,32.6,35.0,36.4,38.8 06,0.5,3.6,8.4,12.3,15.6,20.4,24.4,28.0,32.6,35.0,36.4,38.9 07,0.5,3.8,8.4,12.6,15.6,20.8,24.6,28.2,32.6,35.0,36.5,38.9 08,0.5,3.9,8.4,12.8,15.6,20.8,25.0,28.2,32.6,35.0,36.5,38.9 09,0.6,4.1,8.5,12.9,15.8,21.2,25.0,28.8,32.9,35.0,36.6,39.0 10,0.8,4.2,8.5,13.0,15.8,21.2,25.0,29.6,33.2,35.0,36.6,39.0 11,0.8,4.3,8.6,13.2,15.8,21.5,25.2,30.0,33.5,35.4,36.6,39.0 12,1.0,4.5,8.8,13.6,15.8,21.6,25.2,30.1,33.8,35.4,36.6,39.1 13,1.2,4.6,9.0,13.6,16.0,21.6,25.2,30.5,33.8,35.4,36.6,39.2 14,1.2,4.6,9.3,13.6,16.5,21.6,25.3,30.6,33.8,35.4,36.6,39.8 15,1.4,4.7,9.4,13.6,16.9,21.7,25.3,30.6,33.8,35.4,36.7,39.8 16,1.6,4.8,9.4,13.6,17.2,21.7,25.4,30.6,33.8,35.4,36.7,39.8 17,1.7,4.8,9.6,13.7,17.2,21.8,25.4,30.6,33.8,35.4,36.7,39.9 18,1.7,4.8,9.7,14.0,17.2,22.0,25.4,30.6,33.8,35.4,36.7,39.9 19,1.7,5.0,9.8,14.2,17.2,22.0,25.8,30.6,34.0,35.6,37.1,39.9 20,1.8,5.2,10.1,14.8,17.5,22.0,25.8,30.6,34.2,35.6,37.2,40.0 21,1.8,5.5,10.2,14.8,17.8,22.4,25.8,30.7,34.3,35.7,37.4,40.0 22,1.8,5.6,10.4,14.8,18.0,22.4,25.9,30.8,34.3,35.7,37.5,40.0 23,1.8,5.8,10.4,14.8,18.4,22.4,26.2,31.1,34.4,35.7,37.6,40.0 24,2.0,6.0,10.5,15.0,18.5,22.4,26.3,31.1,34.4,35.7,37.7,40.1 25,2.1,6.1,10.5,15.0,19.2,22.4,26.3,31.2,34.4,35.7,37.9,40.1 26,2.2,6.4,10.5,15.0,19.5,22.5,26.6,31.2,34.5,35.7,38.0,40.2 27,2.4,6.7,10.8,15.2,19.7,22.6,27.1,31.2,34.5,35.8,38.2,40.2 28,2.6,6.7,11.1,15.2,19.8,22.8,27.2,31.4,34.6,35.9,38.2,40.2 29,2.6,6.8,11.2,15.2,,23.0,27.6,31.7,34.6,35.9,38.4,40.3 30,2.7,7.0,11.6,15.2,,23.4,27.6,31.8,34.6,35.9,38.4,40.4 31,2.8,,11.8,15.4,,23.5,,32.0,,35.9,38.6,