#------------------------------------------------- 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 32H03: Petersburg Ridge, S., AK # # 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 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 # Snow Depth Value None Instantaneous - Start of Month N/A Inches N/A SNWD Total snow depth # # 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 # #------------------------------------------------------------------------------------------------------ # # Petersburg Ridge, S. (32H03) Alaska SNOW COURSE/AERIAL MARKER Site - 1650 ft # Reporting Frequency: Monthly; Date Range: Period of Record # # As of: Apr 29, 2024, 6:11:50 AM GMT-08:00 # Date,Snow Water Equivalent Collection Date Start of Month Values,Snow Water Equivalent (in) Start of Month Values,Snow Depth (in) Start of Month Values Feb 1979,Mar 01,30.5,94 Feb 1980,Jan 31,17.1,54 Feb 1981,Mar 01,12.0,48 Feb 1982,Jan 29,13.9,61 Feb 1983,Feb 03,16.4,42 Feb 1984,Jan 30,11.4,46 Feb 1985,Feb 01,17.8,46 Feb 1986,Feb 01,11.1,39 Feb 1987,Jan 27,14.5,38 Feb 1988,Jan 28,18.8,66 Feb 1989,Feb 16,26.2,74 Feb 1990,Jan 30,12.7,50 Feb 1991,Feb 04,24.5,80 Feb 1992,Jan 28,24.6,65 Feb 1993,Feb 01,19.5,64 Feb 1994,Feb 03,15.0,42 Feb 1995,Jan 30,26.3,70 Feb 1996,Jan 31,8.6,35 Feb 1997,Jan 29,16.0,48 Feb 1998,Jan 29,12.8,37 Feb 1999,Feb 01,19.7,83 Feb 2000,Jan 31,19.8,68 Feb 2001,Jan 30,9.3,31 Feb 2002,Jan 30,19.0,67 Feb 2003,Jan 31,3.5,12 Feb 2004,Jan 30,17.0,46 Feb 2005,Jan 31,2.8,7 Feb 2006,Jan 26,9.2,38 Feb 2007,Feb 01,40.2,102 Feb 2008,Feb 04,25.4,94 Feb 2009,Feb 03,23.6,81 Feb 2010,Feb 02,17.6,48 Feb 2011,Jan 31,14.8,45 Feb 2012,Jan 30,39.1,117 Feb 2013,Jan 31,19.3,56 Feb 2014,Jan 30,11.2,28 Feb 2015,Jan 30,1.2,7 Feb 2016,Jan 29,10.6,28 Feb 2017,Jan 31,12.8,40 Feb 2018,Jan 30,6.0,25 Feb 2019,Feb 01,9.9,29 Feb 2020,Jan 31,14.9,58 Feb 2021,Jan 29,21.2,59 Feb 2022,Jan 31,24.5,75 Feb 2023,Jan 30,14.1,42 Feb 2024,Jan 31,9.3,28