#------------------------------------------------- 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: 2023-10-01 to 2024-05-13 # Report Instantaneous Data As: Start of Day # # Data for the following site(s) are contained in this file: # # SNOTEL 1103: Mt. Alyeska, 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 Value None Instantaneous - Start of Day N/A Inches N/A WTEQ Depth of water that would theoretically result if the entire snowpack were melted instantaneously # Snow Water Equivalent Delta None Instantaneous - Start of Day 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 Day N/A Inches N/A SNWD Total snow depth # Snow Depth Delta None Instantaneous - Start of Day 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 # #------------------------------------------------------------------------------------------------------ # # Mt. Alyeska (1103) # Alaska SNOTEL Site - 1540 ft # Reporting Frequency: Daily; Date Range: 2023-10-01 to 2024-05-13 # # As of: May 13, 2024, 8:16:08 PM GMT-08:00 # Date,Snow Water Equivalent (in) Start of Day Values,Change In Snow Water Equivalent (in),Snow Depth (in) Start of Day Values,Change In Snow Depth (in) 2023-10-01,0.0,0.0,0,0 2023-10-02,0.0,0.0,0,0 2023-10-03,0.0,0.0,0,0 2023-10-04,0.0,0.0,0,0 2023-10-05,0.0,0.0,0,0 2023-10-06,0.0,0.0,0,0 2023-10-07,0.0,0.0,0,0 2023-10-08,0.0,0.0,0,0 2023-10-09,0.0,0.0,0,0 2023-10-10,0.0,0.0,0,0 2023-10-11,0.0,0.0,0,0 2023-10-12,0.3,0.3,2,2 2023-10-13,0.5,0.2,1,-1 2023-10-14,0.0,-0.5,0,-1 2023-10-15,0.0,0.0,0,0 2023-10-16,0.0,0.0,0,0 2023-10-17,0.0,0.0,0,0 2023-10-18,0.0,0.0,0,0 2023-10-19,0.0,0.0,0,0 2023-10-20,0.0,0.0,0,0 2023-10-21,0.0,0.0,0,0 2023-10-22,0.0,0.0,0,0 2023-10-23,0.0,0.0,0,0 2023-10-24,0.0,0.0,0,0 2023-10-25,0.0,0.0,0,0 2023-10-26,0.0,0.0,0,0 2023-10-27,0.0,0.0,0,0 2023-10-28,0.0,0.0,0,0 2023-10-29,0.0,0.0,0,0 2023-10-30,0.0,0.0,0,0 2023-10-31,0.0,0.0,0,0 2023-11-01,0.0,0.0,0,0 2023-11-02,0.0,0.0,0,0 2023-11-03,0.0,0.0,0,0 2023-11-04,0.0,0.0,0,0 2023-11-05,0.0,0.0,0,0 2023-11-06,0.7,0.7,5,5 2023-11-07,0.8,0.1,4,-1 2023-11-08,0.9,0.1,19,15 2023-11-09,3.8,2.9,28,9 2023-11-10,6.1,2.3,43,15 2023-11-11,6.4,0.3,38,-5 2023-11-12,6.4,0.0,35,-3 2023-11-13,6.4,0.0,34,-1 2023-11-14,7.1,0.7,40,6 2023-11-15,7.1,0.0,37,-3 2023-11-16,7.4,0.3,36,-1 2023-11-17,7.7,0.3,39,3 2023-11-18,7.9,0.2,42,3 2023-11-19,7.9,0.0,39,-3 2023-11-20,7.9,0.0,37,-2 2023-11-21,7.9,0.0,35,-2 2023-11-22,8.0,0.1,35,0 2023-11-23,8.5,0.5,36,1 2023-11-24,8.5,0.0,32,-4 2023-11-25,8.1,-0.4,28,-4 2023-11-26,8.0,-0.1,26,-2 2023-11-27,8.2,0.2,25,-1 2023-11-28,8.4,0.2,25,0 2023-11-29,8.4,0.0,26,1 2023-11-30,8.8,0.4,30,4 2023-12-01,10.0,1.2,39,9 2023-12-02,10.0,0.0,37,-2 2023-12-03,10.0,0.0,35,-2 2023-12-04,10.0,0.0,34,-1 2023-12-05,10.1,0.1,32,-2 2023-12-06,10.3,0.2,34,2 2023-12-07,10.3,0.0,34,0 2023-12-08,10.6,0.3,39,5 2023-12-09,10.6,0.0,37,-2 2023-12-10,11.0,0.4,41,4 2023-12-11,12.0,1.0,51,10 2023-12-12,12.2,0.2,49,-2 2023-12-13,12.7,0.5,57,8 2023-12-14,13.4,0.7,65,8 2023-12-15,13.6,0.2,62,-3 2023-12-16,13.8,0.2,64,2 2023-12-17,14.6,0.8,66,2 2023-12-18,15.0,0.4,67,1 2023-12-19,15.2,0.2,66,-1 2023-12-20,15.5,0.3,68,2 2023-12-21,15.5,0.0,69,1 2023-12-22,15.5,0.0,66,-3 2023-12-23,16.0,0.5,67,1 2023-12-24,18.0,2.0,78,11 2023-12-25,18.5,0.5,78,0 2023-12-26,18.5,0.0,73,-5 2023-12-27,18.5,0.0,71,-2 2023-12-28,18.5,0.0,72,1 2023-12-29,18.5,0.0,69,-3 2023-12-30,18.5,0.0,69,0 2023-12-31,18.5,0.0,69,0 2024-01-01,18.5,0.0,68,-1 2024-01-02,18.5,0.0,68,0 2024-01-03,18.7,0.2,69,1 2024-01-04,19.8,1.1,70,1 2024-01-05,20.5,0.7,77,7 2024-01-06,20.6,0.1,76,-1 2024-01-07,20.8,0.2,75,-1 2024-01-08,22.4,1.6,90,15 2024-01-09,22.4,0.0,87,-3 2024-01-10,22.4,0.0,84,-3 2024-01-11,22.4,0.0,82,-2 2024-01-12,22.6,0.2,80,-2 2024-01-13,22.8,0.2,82,2 2024-01-14,22.8,0.0,81,-1 2024-01-15,22.9,0.1,79,-2 2024-01-16,22.9,0.0,78,-1 2024-01-17,22.9,0.0,77,-1 2024-01-18,22.9,0.0,76,-1 2024-01-19,22.9,0.0,76,0 2024-01-20,22.9,0.0,75,-1 2024-01-21,22.9,0.0,74,-1 2024-01-22,22.9,0.0,74,0 2024-01-23,22.9,0.0,73,-1 2024-01-24,22.9,0.0,73,0 2024-01-25,22.9,0.0,72,-1 2024-01-26,22.9,0.0,72,0 2024-01-27,22.9,0.0,71,-1 2024-01-28,22.9,0.0,70,-1 2024-01-29,22.9,0.0,77,7 2024-01-30,23.4,0.5,84,7 2024-01-31,23.6,0.2,84,0 2024-02-01,23.6,0.0,82,-2 2024-02-02,23.6,0.0,81,-1 2024-02-03,23.6,0.0,79,-2 2024-02-04,23.6,0.0,80,1 2024-02-05,23.9,0.3,84,4 2024-02-06,24.0,0.1,83,-1 2024-02-07,24.0,0.0,81,-2 2024-02-08,24.0,0.0,80,-1 2024-02-09,24.2,0.2,82,2 2024-02-10,25.3,1.1,89,7 2024-02-11,25.4,0.1,87,-2 2024-02-12,25.6,0.2,88,1 2024-02-13,26.1,0.5,89,1 2024-02-14,26.1,0.0,86,-3 2024-02-15,26.1,0.0,85,-1 2024-02-16,26.1,0.0,84,-1 2024-02-17,26.2,0.1,83,-1 2024-02-18,26.2,0.0,82,-1 2024-02-19,26.2,0.0,81,-1 2024-02-20,26.4,0.2,78,-3 2024-02-21,27.1,0.7,78,0 2024-02-22,27.2,0.1,76,-2 2024-02-23,27.4,0.2,77,1 2024-02-24,27.4,0.0,76,-1 2024-02-25,27.6,0.2,81,5 2024-02-26,27.6,0.0,79,-2 2024-02-27,27.7,0.1,79,0 2024-02-28,27.7,0.0,78,-1 2024-02-29,27.7,0.0,78,0 2024-03-01,27.7,0.0,78,0 2024-03-02,27.7,0.0,77,-1 2024-03-03,27.7,0.0,77,0 2024-03-04,27.7,0.0,76,-1 2024-03-05,27.7,0.0,77,1 2024-03-06,27.9,0.2,80,3 2024-03-07,28.2,0.3,82,2 2024-03-08,28.2,0.0,81,-1 2024-03-09,28.2,0.0,82,1 2024-03-10,28.2,0.0,82,0 2024-03-11,28.4,0.2,84,2 2024-03-12,29.8,1.4,100,16 2024-03-13,29.8,0.0,99,-1 2024-03-14,29.8,0.0,98,-1 2024-03-15,29.8,0.0,96,-2 2024-03-16,29.8,0.0,94,-2 2024-03-17,30.0,0.2,94,0 2024-03-18,30.2,0.2,92,-2 2024-03-19,30.4,0.2,91,-1 2024-03-20,30.5,0.1,90,-1 2024-03-21,30.5,0.0,89,-1 2024-03-22,30.5,0.0,89,0 2024-03-23,30.5,0.0,88,-1 2024-03-24,30.5,0.0,87,-1 2024-03-25,30.8,0.3,88,1 2024-03-26,31.0,0.2,87,-1 2024-03-27,31.2,0.2,87,0 2024-03-28,31.4,0.2,86,-1 2024-03-29,31.5,0.1,85,-1 2024-03-30,31.9,0.4,85,0 2024-03-31,32.8,0.9,95,10 2024-04-01,33.1,0.3,97,2 2024-04-02,33.6,0.5,98,1 2024-04-03,33.6,0.0,97,-1 2024-04-04,33.5,-0.1,96,-1 2024-04-05,33.8,0.3,98,2 2024-04-06,33.8,0.0,98,0 2024-04-07,33.9,0.1,96,-2 2024-04-08,33.9,0.0,96,0 2024-04-09,33.9,0.0,96,0 2024-04-10,35.2,1.3,110,14 2024-04-11,35.2,0.0,106,-4 2024-04-12,35.2,0.0,104,-2 2024-04-13,35.5,0.3,106,2 2024-04-14,35.5,0.0,103,-3 2024-04-15,35.5,0.0,102,-1 2024-04-16,35.3,-0.2,101,-1 2024-04-17,35.3,0.0,100,-1 2024-04-18,35.3,0.0,98,-2 2024-04-19,35.2,-0.1,96,-2 2024-04-20,34.7,-0.5,91,-5 2024-04-21,34.0,-0.7,88,-3 2024-04-22,33.7,-0.3,87,-1 2024-04-23,33.6,-0.1,86,-1 2024-04-24,33.2,-0.4,84,-2 2024-04-25,32.8,-0.4,83,-1 2024-04-26,32.4,-0.4,82,-1 2024-04-27,31.8,-0.6,79,-3 2024-04-28,31.3,-0.5,78,-1 2024-04-29,30.8,-0.5,76,-2 2024-04-30,30.0,-0.8,74,-2 2024-05-01,29.3,-0.7,71,-3 2024-05-02,28.8,-0.5,70,-1 2024-05-03,28.3,-0.5,68,-2 2024-05-04,27.6,-0.7,67,-1 2024-05-05,26.9,-0.7,65,-2 2024-05-06,26.2,-0.7,63,-2 2024-05-07,25.5,-0.7,62,-1 2024-05-08,25.1,-0.4,60,-2 2024-05-09,24.6,-0.5,59,-1 2024-05-10,24.5,-0.1,58,-1 2024-05-11,24.5,0.0,60,2 2024-05-12,25.0,0.5,62,2 2024-05-13,24.7,-0.3,60,-2