#------------------------------------------------- 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 46P04: Colorado Creek, 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 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 # #------------------------------------------------------------------------------------------------------ # # Colorado Creek (46P04) # Alaska SNOW COURSE/AERIAL MARKER Site - 700 ft # Reporting Frequency: Monthly; Date Range: Period of Record # # As of: Apr 18, 2024, 11:15:11 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 1966,Jan 06,24,3.8,Feb 08,26,4.2,Mar 08,31,5.9,Mar 21,32,6.1,May 04,18,4.7,,, 1967,Jan 12,18,3.0,Feb 07,21,4.3,Mar 04,24,4.5,Apr 03,31,6.6,Apr 30,24,6.0,,, 1968,,,,Feb 09,27,5.2,Feb 29,24,5.2,Apr 01,22,4.3,May 01,14,3.5,,, 1969,,,,Jan 29,21,3.1,Mar 03,20,4.0,Apr 01,22,4.9,May 01,0,0.0,,, 1970,,,,Feb 02,8,1.1,Mar 02,10,1.5,Mar 30,6,1.2,May 01,0,0.0,,, 1971,Jan 08,42,9.0,Feb 03,40,9.2,Feb 26,42,10.1,Apr 01,41,10.3,Apr 29,28,9.3,,, 1972,Jan 04,26,5.2,Feb 01,32,6.1,Mar 02,30,6.0,Mar 30,33,7.2,May 01,29,7.6,,, 1973,Jan 08,18,2.9,Jan 30,20,3.1,Feb 26,18,3.5,Jul 01,20,3.9,Apr 30,0,0.0,,, 1974,,,,Feb 01,17,2.8,Feb 26,20,3.0,Mar 28,20,3.4,May 01,0,0.0,,, 1975,,,,Jan 31,30,4.8,Mar 01,26,5.2,Mar 28,27,5.9,Apr 29,22,6.3,,, 1976,Jan 07,15,1.9,Jan 27,16,2.3,Feb 24,16,2.6,Mar 29,20,3.6,May 03,0,0.0,,, 1977,Dec 29,15,2.1,Feb 03,20,2.8,Feb 28,18,3.3,Mar 28,20,3.8,Apr 25,14,3.7,,, 1978,,,,Jan 26,18,2.7,Mar 01,17,3.2,Mar 27,16,3.0,May 02,0,0.0,,, 1979,,,,Jan 30,22,4.2,Feb 22,25,4.7,Jul 01,26,5.4,Apr 30,6,1.6,,, 1980,,,,Feb 07,14,1.8,Feb 25,12,2.0,Mar 24,13,1.6,May 01,0,0.0,,, 1981,,,,Jan 28,8,1.2,Feb 24,13,2.0,Mar 25,7,1.7,Apr 29,0,0.0,,, 1982,,,,Jan 28,14,2.8,Feb 22,19,2.7,Mar 29,19,3.4,Apr 29,12,3.3,,, 1983,,,,Jan 24,17,3.6,Feb 25,19,3.5,Mar 29,19,3.8,Apr 28,0,0.0,,, 1984,,,,Jan 27,14,2.3,Feb 27,20,3.3,Apr 03,19,3.5,Apr 30,11,3.1,,, 1985,,,,Jan 30,28,6.7,Feb 25,31,7.3,Apr 03,32,7.7,May 01,28,8.0,May 15,10,2.7 1986,,,,Jan 30,12,1.7,Feb 25,12,1.9,Mar 29,17,2.2,Apr 29,10,2.2,,, 1987,,,,Jan 27,16,2.2,Feb 26,16,2.4,Mar 30,13,2.3,Apr 28,0,0.0,,, 1988,,,,Jan 28,15,2.0,Mar 02,16,2.3,Mar 31,14,2.1,Apr 28,0,0.0,,, 1989,,,,Feb 04,20,3.1,Mar 01,28,5.1,Mar 29,28,5.1,Apr 28,0,0.0,,, 1990,Jan 03,19,3.2,Feb 01,24,4.1,Feb 27,32,5.1,Mar 29,26,5.5,Apr 30,7,1.7,,, 1991,Dec 31,41,6.7,Jan 31,43,8.8,Feb 27,37,9.1,Mar 29,47,10.7,May 02,19,6.3,,, 1992,Jan 02,18,3.0,Jan 28,22,3.3,Feb 27,25,4.4,Apr 02,24,5.0,Apr 27,21,5.2,,, 1993,,,,Jan 28,38,8.4,Feb 26,39,9.3,Apr 01,37,9.3,Apr 29,14,3.8,,, 1994,,,,Jan 31,20,3.5,Mar 01,22,4.0,Mar 28,23,3.9,Apr 28,0,0.0,,, 1995,,,,Jan 31,27,5.4,Feb 28,28,5.7,Mar 29,31,6.5,Apr 28,5,1.2,,, 1996,,,,Jan 29,9,1.2,Mar 03,21,3.3,Mar 27,22,4.2,Apr 29,9,2.4,,, 1997,,,,Feb 01,22,3.2,Mar 03,22,4.0,Mar 31,22,3.9,Apr 29,0,0.0,,, 1998,,,,Feb 02,16,2.4,Mar 02,18,2.8,Apr 01,14,2.6,May 04,0,0.0,,, 1999,,,,Feb 08,14,1.9,Feb 25,14,2.1,Apr 01,14,2.2,May 03,8,0.9,,, 2000,,,,Jan 28,36,6.3,Mar 02,31,6.6,Mar 31,30,6.6,May 02,13,3.4,,, 2001,,,,Jan 31,14,1.9,Feb 27,16,3.5,Mar 30,18,3.3,Apr 30,0,0.0,,, 2002,,,,Jan 30,18,2.1,Mar 01,18,2.3,Mar 29,18,2.7,Apr 30,11,3.4,,, 2003,,,,Jan 31,12,2.0,Feb 27,12,2.5,Apr 01,13,2.9,May 01,0,0.0,,, 2004,,,,Jan 30,21,3.6,Mar 03,20,3.6,Apr 01,24,4.0,Apr 30,0,0.0,,, 2005,,,,Feb 02,29,5.4,Feb 28,29,5.3,Apr 05,30,6.0,Apr 29,6,1.4,,, 2006,,,,Feb 01,13,1.9,Feb 27,25,3.4,Mar 30,20,3.5,Apr 27,15,3.7,,, 2007,,,,,,,Mar 06,14,2.3,Apr 03,16,2.6,May 01,0,0.0,,, 2008,,,,,,,Feb 29,17,2.5,Apr 01,15,2.6,Sep 01,2,0.6,,, 2009,,,,,,,Mar 02,21,2.7,Apr 01,23,4.1,May 01,3,1.0,,, 2010,,,,,,,Feb 26,13,2.3,Apr 02,11,2.2,Apr 28,0,0.0,,, 2011,,,,,,,Feb 28,28,4.2,Mar 31,23,4.7,Apr 27,12,3.4,,, 2012,,,,,,,Mar 02,23,4.7,Mar 29,26,5.1,Apr 30,0,0.0,,, 2013,,,,,,,Mar 01,22,3.8,Apr 01,24,4.3,Apr 29,23,4.9,,, 2014,,,,,,,Feb 28,26,5.1,Mar 31,25,5.2,May 01,0,0.0,,, 2015,,,,,,,Feb 26,19,2.7,Mar 30,22,4.8,Apr 29,0,0.0,,, 2016,,,,,,,Mar 01,19,3.8,Apr 01,11,2.6,Apr 30,0,0.0,,, 2017,,,,,,,Feb 27,32,5.3,Mar 29,28,6.4,May 01,11,4.3,,, 2018,,,,,,,Feb 28,40,7.4,Apr 03,37,9.0,Apr 30,22,6.4,,, 2019,,,,Jan 31,14,1.9,Feb 26,17,2.4,Mar 29,8,1.6,Apr 29,1,0.2,,, 2020,,,,Jan 30,18,2.6,Feb 27,23,3.4,Apr 01,33,6.5,Apr 28,15,4.6,,, 2021,,,,Jan 29,19,3.3,Feb 26,28,4.2,Mar 30,30,5.5,Apr 28,16,4.6,,, 2022,,,,Jan 31,31,6.9,Mar 01,41,8.8,Apr 01,34,8.8,Apr 29,23,7.2,,, 2023,,,,Jan 31,27,4.7,Feb 27,35,5.4,Mar 31,31,6.8,Apr 28,29,7.2,,, 2024,,,,Jan 31,24,3.7,Feb 28,24,4.3,Mar 29,20,3.8,,,,,,