#------------------------------------------------- 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 13B12: Gunsight Lake, MT # # 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 # 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 # #------------------------------------------------------------------------------------------------------ # # Gunsight Lake (13B12) # Montana SNOW COURSE/AERIAL MARKER Site - 6300 ft # Reporting Frequency: Monthly; Date Range: Period of Record # # As of: Mar 29, 2024, 12:07:58 AM 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 1961,,,,,,,,,,Jul 01,,36.0,,,,,, 1962,,,,,,,,,,Jul 01,,40.0,,,,,, 1963,,,,,,,,,,Jul 01,,32.0,,,,,, 1964,,,,,,,Feb 27,85,30.2,Mar 30,108,41.0,Apr 29,114,50.9,,, 1965,,,,,,,Mar 02,123,45.7,Mar 30,118,50.9,May 03,111,50.8,,, 1966,,,,,,,Feb 25,87,32.5,Mar 28,91,38.9,Apr 29,85,41.6,,, 1967,,,,,,,Mar 05,129,51.8,Apr 02,135,54.4,May 04,132,58.5,,, 1968,,,,,,,Feb 27,93,34.5,Apr 04,100,40.2,Apr 30,94,41.3,,, 1969,,,,,,,Mar 11,90,38.6,Apr 01,90,38.6,May 04,72,37.8,,, 1970,,,,,,,Mar 01,95,35.3,Apr 01,101,41.5,May 01,115,48.4,,, 1971,,,,,,,Mar 06,122,49.4,Apr 04,117,45.9,May 04,92,43.5,,, 1972,,,,,,,Mar 08,140,55.0,Mar 31,129,56.6,May 02,126,57.1,,, 1973,,,,,,,Mar 03,75,26.2,Apr 03,75,29.9,May 03,73,33.4,,, 1974,,,,,,,Mar 07,138,48.6,Mar 27,132,51.4,Sep 01,,54.0,,, 1975,,,,,,,Mar 01,108,41.0,Apr 06,114,47.3,May 01,118,52.0,May 31,81,43.3 1976,,,,,,,Feb 29,110,36.5,Mar 31,120,43.5,May 02,108,51.0,May 29,57,31.2 1977,,,,,,,Mar 06,57,19.3,Apr 02,85,27.8,May 06,50,21.6,May 31,23,11.6 1978,,,,,,,Feb 27,95,38.6,Apr 03,86,41.8,May 03,78,43.8,May 31,75,37.3 1979,,,,,,,Mar 03,99,34.9,Apr 08,110,41.7,May 03,98,43.6,May 27,55,27.8 1980,,,,,,,Feb 24,71,25.3,Mar 28,94,32.4,May 01,64,30.4,May 31,16,7.8 1981,,,,,,,Mar 02,69,24.2,Mar 28,66,24.6,Apr 30,63,29.1,May 28,31,14.4 1982,,,,,,,Feb 28,106,40.8,Apr 02,113,47.9,Apr 30,108,50.5,Jun 01,80,42.2 1983,,,,,,,Feb 23,78,28.8,Apr 04,87,32.2,Apr 30,74,33.0,Jun 01,35,19.4 1984,,,,,,,Feb 29,68,24.5,Apr 01,83,31.9,Apr 28,77,32.4,May 30,52,26.8 1985,,,,,,,Mar 07,98,35.0,Apr 03,102,37.1,May 01,76,37.8,,, 1986,,,,,,,Feb 26,92,30.8,Apr 03,88,35.4,May 01,91,37.5,,, 1987,,,,,,,Mar 06,74,26.5,Apr 04,74,30.6,Apr 30,50,24.5,,, 1988,,,,,,,Feb 24,83,28.1,Apr 08,96,38.0,Apr 27,76,35.1,,, 1989,,,,,,,Feb 24,83,30.6,Apr 07,108,44.5,Apr 30,85,41.6,,, 1990,,,,,,,Feb 23,110,40.5,Mar 27,110,45.1,Apr 30,87,40.0,,, 1991,,,,,,,May 01,,46.3,Apr 01,134,56.2,Sep 01,,58.9,,, 1992,,,,,,,,,,Apr 02,69,30.0,,,,,, 1993,,,,,,,,,,Jul 01,76,29.5,,,,,, 1994,,,,,,,,,,Mar 27,82,32.1,,,,,, 1995,,,,,,,,,,Mar 30,83,31.8,,,,,, 1996,,,,,,,,,,Apr 04,114,47.8,,,,,, 1997,,,,,,,,,,Mar 30,127,52.4,,,,,, 1998,,,,,,,,,,Mar 31,72,27.8,,,,,, 1999,,,,,,,,,,Mar 26,109,47.6,,,,,, 2000,,,,,,,,,,Mar 27,95,37.4,,,,,, 2001,,,,,,,,,,Mar 31,75,24.4,,,,,, 2002,,,,,,,,,,Apr 02,122,45.9,,,,,, 2003,,,,,,,,,,Mar 30,91,32.8,,,,,, 2004,,,,,,,,,,Mar 23,84,34.9,,,,,, 2005,,,,,,,,,,Mar 31,70,22.0,,,,,, 2006,,,,,,,,,,Mar 25,87,36.4,,,,,, 2007,,,,,,,,,,Mar 26,73,31.3,,,,,, 2008,,,,,,,,,,Mar 25,109,42.7,,,,,, 2009,,,,,,,Feb 23,74,27.2,Apr 05,99,34.3,May 01,93,33.1,,, 2010,,,,,,,Feb 24,74,23.8,Mar 27,76,26.5,Apr 26,67,25.4,,, 2011,,,,,,,Mar 01,,41.5,Apr 08,125,45.3,May 02,141,57.6,,, 2012,,,,,,,Feb 28,96,33.5,Mar 27,103,37.4,May 02,93,38.6,,,