#------------------------------------------------- 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 840: Upper San Juan, CO # # 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 # #------------------------------------------------------------------------------------------------------ # # Upper San Juan (840) # Colorado SNOTEL Site - 10140 ft # Reporting Frequency: Daily; Date Range: 1990-10-01 to 1991-09-30 # # As of: May 15, 2024, 1:15:01 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 01,0.0,4.4,9.2,15.2,21.2,27.3,32.4,36.1,39.0,40.0,42.5,46.1 02,0.2,4.5,9.3,15.3,21.4,27.6,32.6,36.3,39.0,40.1,42.7,46.1 03,0.3,4.7,9.4,15.6,21.5,27.8,32.7,36.4,39.0,40.1,42.8,46.2 04,0.5,4.9,9.6,15.8,21.6,28.0,32.8,36.5,39.0,40.2,42.9,46.3 05,0.6,5.0,9.7,16.1,21.8,28.2,33.1,36.6,39.0,40.2,43.1,46.5 06,0.8,5.1,9.9,16.5,21.9,28.4,33.2,36.7,39.1,40.3,43.2,46.6 07,1.0,5.2,10.0,16.7,22.0,28.6,33.4,36.8,39.1,40.3,43.4,46.6 08,1.2,5.3,10.4,16.9,22.3,28.8,33.5,36.9,39.1,40.4,43.5,46.8 09,1.3,5.5,10.6,17.1,22.6,29.1,33.6,37.0,39.2,40.4,43.6,46.9 10,1.5,5.7,10.7,17.2,22.7,29.3,33.8,37.2,39.2,40.5,43.6,47.1 11,1.7,5.9,10.9,17.5,22.9,29.4,33.9,37.2,39.2,40.6,43.8,47.2 12,1.9,6.2,11.0,17.8,23.1,29.6,34.0,37.3,39.3,40.7,43.9,47.3 13,1.9,6.4,11.3,18.0,23.3,29.8,34.1,37.4,39.3,40.7,44.0,47.5 14,2.0,6.6,11.6,18.2,23.6,30.0,34.2,37.4,39.3,40.8,44.1,47.6 15,2.1,6.7,11.8,18.3,23.9,30.1,34.3,37.5,39.4,40.9,44.2,47.7 16,2.2,6.9,12.0,18.4,24.1,30.1,34.4,37.6,39.4,41.0,44.3,47.8 17,2.2,7.1,12.3,18.6,24.3,30.2,34.5,37.7,39.5,41.0,44.4,47.9 18,2.4,7.2,12.5,18.7,24.5,30.3,34.6,37.7,39.5,41.1,44.4,48.0 19,2.5,7.2,12.6,18.8,24.7,30.5,34.6,37.9,39.5,41.2,44.5,48.2 20,2.6,7.3,12.9,19.0,25.1,30.6,34.7,38.0,39.6,41.3,44.6,48.4 21,2.7,7.5,13.2,19.2,25.3,30.8,34.8,38.1,39.6,41.4,44.7,48.5 22,2.8,7.7,13.3,19.4,25.6,30.9,34.8,38.2,39.7,41.5,44.8,48.6 23,2.9,7.8,13.6,19.6,25.9,31.1,35.0,38.3,39.7,41.6,44.9,48.8 24,3.0,7.9,13.8,19.7,26.1,31.1,35.2,38.4,39.7,41.7,45.1,49.0 25,3.1,8.0,13.9,19.8,26.3,31.2,35.3,38.5,39.7,41.7,45.3,49.0 26,3.3,8.2,14.2,20.0,26.6,31.3,35.5,38.6,39.8,41.9,45.4,49.0 27,3.5,8.4,14.4,20.2,26.7,31.6,35.6,38.7,39.8,42.0,45.5,49.1 28,3.7,8.6,14.4,20.5,26.9,31.8,35.7,38.8,39.8,42.1,45.6,49.2 29,3.9,8.8,14.7,20.7,,32.0,35.8,38.8,39.9,42.1,45.7,49.3 30,4.1,9.0,14.8,20.8,,32.2,36.0,38.9,39.9,42.3,45.8,49.5 31,4.3,,15.0,20.9,,32.3,,38.9,,42.4,45.9,