#------------------------------------------------- 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 917: Rocky Boy, 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 # #------------------------------------------------------------------------------------------------------ # # Rocky Boy (917) # Montana SNOTEL Site - 4700 ft # Reporting Frequency: Daily; Date Range: 1990-10-01 to 1991-09-30 # # As of: May 14, 2024, 12:59:41 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 01,0.0,2.4,4.2,6.0,7.6,9.2,10.5,12.8,16.7,20.7,22.0,23.5 02,0.0,2.4,4.3,6.1,7.6,9.2,10.6,12.8,16.7,20.7,22.0,23.5 03,0.2,2.5,4.3,6.2,7.6,9.3,10.6,12.9,16.9,20.7,22.1,23.6 04,0.4,2.6,4.4,6.2,7.7,9.3,10.7,12.9,17.2,20.8,22.1,23.6 05,0.6,2.6,4.4,6.2,7.8,9.4,10.8,13.2,17.3,20.9,22.2,23.6 06,0.7,2.7,4.5,6.3,7.8,9.4,10.9,13.3,17.4,20.9,22.2,23.7 07,0.7,2.8,4.5,6.4,7.9,9.4,10.9,13.4,17.5,21.0,22.2,23.8 08,0.8,2.8,4.6,6.5,7.9,9.4,11.0,13.4,17.7,21.0,22.3,23.9 09,0.9,2.9,4.6,6.5,8.0,9.5,11.0,13.5,17.9,21.1,22.4,23.9 10,0.9,3.0,4.7,6.6,8.1,9.5,11.1,13.6,18.0,21.1,22.4,24.0 11,1.0,3.2,4.8,6.6,8.2,9.6,11.2,13.8,18.3,21.2,22.4,24.1 12,1.1,3.2,4.8,6.7,8.3,9.6,11.2,13.9,18.4,21.3,22.4,24.1 13,1.2,3.2,4.8,6.7,8.3,9.6,11.2,14.0,18.6,21.3,22.5,24.2 14,1.2,3.3,4.9,6.8,8.4,9.7,11.3,14.1,18.6,21.4,22.5,24.3 15,1.3,3.3,5.0,6.9,8.4,9.8,11.5,14.2,18.8,21.4,22.6,24.3 16,1.3,3.3,5.0,6.9,8.4,9.8,11.6,14.2,18.9,21.5,22.6,24.4 17,1.4,3.4,5.1,6.9,8.5,9.8,11.7,14.3,19.0,21.5,22.7,24.5 18,1.4,3.4,5.1,7.0,8.5,9.9,11.7,14.3,19.2,21.5,22.8,24.6 19,1.5,3.5,5.2,7.0,8.6,9.9,11.8,14.4,19.4,21.6,22.8,24.7 20,1.6,3.5,5.2,7.1,8.6,10.0,11.9,14.5,19.6,21.6,22.8,24.8 21,1.6,3.6,5.2,7.1,8.7,10.0,11.9,14.6,19.7,21.6,22.8,24.9 22,1.6,3.7,5.3,7.2,8.7,10.1,12.0,14.8,19.8,21.6,22.8,25.0 23,1.6,3.7,5.3,7.2,8.8,10.1,12.0,15.0,20.0,21.6,22.9,25.1 24,1.7,3.8,5.4,7.2,8.8,10.2,12.1,15.2,20.0,21.6,23.1,25.2 25,1.7,3.9,5.4,7.3,8.9,10.2,12.1,15.3,20.0,21.6,23.2,25.2 26,1.8,4.0,5.4,7.3,8.9,10.2,12.2,15.5,20.1,21.7,23.3,25.3 27,1.8,4.1,5.6,7.3,9.0,10.2,12.2,15.6,20.3,21.7,23.3,25.4 28,2.0,4.1,5.7,7.4,9.1,10.3,12.3,15.7,20.5,21.8,23.3,25.4 29,2.1,4.2,5.7,7.4,,10.4,12.6,15.9,20.5,21.9,23.3,25.5 30,2.2,4.2,5.8,7.4,,10.4,12.8,16.1,20.6,21.9,23.3,25.6 31,2.2,,5.9,7.5,,10.4,,16.4,,21.9,23.4,