#------------------------------------------------- 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: Monthly # Date Range: Period of Record # Report Instantaneous Data As: Start of Month # # Data for the following site(s) are contained in this file: # # SNOW COURSE/AERIAL MARKER 20A45: Mazama, WA # # Data items provided in this file: # # Element Name Value Type Function Type Function Duration Base Data Measurement Units Sensor Depth Element Code Description # Snow Water Equivalent Collection date None Instantaneous - Start of Month N/A Inches N/A WTEQ Depth of water that would theoretically result if the entire snowpack were melted instantaneously # Snow Depth Value None Instantaneous - Start of Month N/A Inches N/A SNWD Total snow depth # Snow Water Equivalent Value None Instantaneous - Start of Month N/A Inches N/A WTEQ Depth of water that would theoretically result if the entire snowpack were melted instantaneously # # 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 # #------------------------------------------------------------------------------------------------------ # # Mazama (20A45) # Washington SNOW COURSE/AERIAL MARKER Site - 2180 ft # Reporting Frequency: Monthly; Date Range: Period of Record # # As of: Apr 7, 2025, 6:01:48 PM GMT-08:00 # Water Year,Jan,Jan,Jan,Feb,Feb,Feb,Mar,Mar,Mar,Apr,Apr,Apr,May,May,May,Jun,Jun,Jun ,Snow Water Equivalent Collection Date Start of Month Values,Snow Depth (in) Start of Month Values,Snow Water Equivalent (in) Start of Month Values,Snow Water Equivalent Collection Date Start of Month Values,Snow Depth (in) Start of Month Values,Snow Water Equivalent (in) Start of Month Values,Snow Water Equivalent Collection Date Start of Month Values,Snow Depth (in) Start of Month Values,Snow Water Equivalent (in) Start of Month Values,Snow Water Equivalent Collection Date Start of Month Values,Snow Depth (in) Start of Month Values,Snow Water Equivalent (in) Start of Month Values,Snow Water Equivalent Collection Date Start of Month Values,Snow Depth (in) Start of Month Values,Snow Water Equivalent (in) Start of Month Values,Snow Water Equivalent Collection Date Start of Month Values,Snow Depth (in) Start of Month Values,Snow Water Equivalent (in) Start of Month Values 2002,,,,Jan 31,25,5.7,Feb 27,24,7.0,Mar 26,24,7.3,,,,,, 2003,,,,Jan 28,27,7.3,Feb 25,26,8.1,Mar 26,13,4.9,,,,,, 2004,,,,Jan 29,24,6.5,Feb 24,25,7.2,Mar 29,0,0.0,,,,,, 2005,,,,Jan 26,13,3.6,Mar 01,9,3.6,Mar 28,0,0.0,,,,,, 2006,,,,Jan 31,47,10.0,Feb 28,41,12.0,Mar 28,28,10.4,,,,,, 2007,,,,Jan 31,37,11.1,Feb 25,30,11.2,Mar 28,13,6.3,,,,,, 2008,Dec 26,34,6.8,Jan 28,37,9.6,Feb 27,37,11.2,Mar 25,21,9.8,,,,,, 2009,,,,,,3.6,,,4.3,,,3.9,,,,,, 2010,,,,,22,5.7,,20,6.5,,3,0.8,,,,,, 2011,,,,Jan 24,21,6.0,Feb 23,25,7.4,Mar 28,26,8.3,,,,,, 2012,,,,Jan 27,50,9.6,Feb 24,33,9.6,Mar 30,25,9.6,,,,,, 2013,,,,Jan 29,26,6.6,Feb 26,22,6.1,Mar 28,6,2.6,,,,,, 2014,,,,,,,Feb 27,45,9.4,Mar 26,26,9.7,,,,,, 2015,,,,Jan 28,28,7.6,Feb 26,21,7.4,Mar 26,1,0.3,,,,,, 2016,,,,Jan 27,38,9.6,Feb 29,27,9.6,,15,,,,,,, 2017,,,,Feb 03,25,5.8,Feb 27,30,8.2,Mar 29,18,6.6,,,,,, 2018,,,,Jan 31,32,7.2,,,,Apr 02,11,4.2,,,,,, 2019,,,,,,,Feb 27,29,7.6,Mar 27,14,5.2,,,,,, 2020,,,,Jan 30,29,8.0,Feb 27,28,8.8,,,,,,,,, 2021,,,,Jan 27,37,8.5,Feb 24,30,9.8,Mar 29,13,5.2,,,,,, 2022,,,,Jan 31,27,6.6,Feb 28,25,4.0,Mar 31,1,0.5,,,,,, 2023,,,,Feb 01,28,9.1,Feb 26,24,8.0,Mar 26,19,7.7,,,,,, 2024,,,,,,,,,,,,,,,,,, 2025,,,,,,,,,,,,,,,,,,