#------------------------------------------------- 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: 1990-10-01 to 1991-09-30 # Report Instantaneous Data As: Start of Day # # Data for the following site(s) are contained in this file: # # SNOTEL 952: Upper Chena, AK # # Data items provided in this file: # # Element Name Value Type Function Type Function Duration Base Data Measurement Units Sensor Depth Element Code Description # Precipitation Accumulation Median (1991-2020) None Instantaneous - Start of Day N/A Inches N/A PREC Water year accumulated precipitation # # 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 # #------------------------------------------------------------------------------------------------------ # # Upper Chena (952) # Alaska SNOTEL Site - 2850 ft # Reporting Frequency: Daily; Date Range: 1990-10-01 to 1991-09-30 # # As of: May 16, 2024, 5:50:24 PM GMT-08:00 # Day,Oct,Nov,Dec,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep ,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values,Median Precipitation Accumulation (1991-2020) (in) Start of Month Values 01,0.0,1.7,2.8,3.5,4.6,5.3,6.9,7.8,9.2,12.0,16.6,21.5 02,0.0,1.7,2.8,3.5,4.6,5.3,6.9,7.8,9.4,12.0,16.6,22.2 03,0.0,1.8,2.8,3.5,4.6,5.3,6.9,7.8,9.5,12.0,16.6,22.2 04,0.0,1.8,2.8,3.6,4.6,5.4,6.9,7.9,9.5,12.0,16.6,22.3 05,0.2,1.9,2.8,3.6,4.6,5.6,6.9,7.9,9.6,12.0,16.6,22.4 06,0.2,1.9,2.8,3.7,4.6,5.9,7.0,8.0,9.6,12.0,16.6,22.5 07,0.2,1.9,2.8,3.7,4.6,6.1,7.0,8.0,10.0,12.1,16.9,22.5 08,0.2,1.9,2.8,3.7,4.6,6.4,7.0,8.0,10.0,12.4,16.9,22.5 09,0.4,1.9,2.9,3.8,4.6,6.4,7.0,8.0,10.1,12.9,17.2,22.5 10,0.4,1.9,2.9,3.8,4.6,6.4,7.0,8.1,10.1,13.1,17.3,22.5 11,0.5,1.9,3.0,3.8,4.7,6.5,7.0,8.2,10.1,13.7,17.6,22.7 12,0.6,2.0,3.0,3.9,4.7,6.5,7.1,8.2,10.2,13.7,17.6,22.8 13,0.8,2.2,3.0,3.9,4.8,6.5,7.1,8.2,10.2,13.7,17.8,22.8 14,0.9,2.2,3.1,4.0,4.8,6.5,7.1,8.2,10.2,13.8,18.2,22.8 15,1.0,2.2,3.1,4.0,4.8,6.5,7.3,8.3,10.3,14.1,18.5,22.9 16,1.0,2.2,3.1,4.0,4.8,6.5,7.3,8.3,10.3,14.3,18.6,22.9 17,1.0,2.4,3.1,4.0,4.8,6.5,7.3,8.3,10.4,14.3,18.8,22.9 18,1.0,2.4,3.1,4.2,4.8,6.6,7.3,8.3,10.4,14.6,18.8,22.9 19,1.0,2.4,3.1,4.3,4.8,6.6,7.3,8.4,10.4,15.1,19.1,22.9 20,1.2,2.4,3.1,4.3,5.0,6.6,7.3,8.5,10.8,15.1,19.6,22.9 21,1.2,2.4,3.2,4.3,5.0,6.6,7.4,8.6,10.9,15.1,19.7,22.9 22,1.2,2.4,3.4,4.4,5.0,6.6,7.5,8.6,11.2,15.1,19.7,22.9 23,1.2,2.5,3.4,4.4,5.1,6.6,7.5,8.7,11.6,15.4,19.7,22.9 24,1.2,2.6,3.4,4.4,5.2,6.8,7.5,8.7,11.6,15.4,20.0,22.9 25,1.2,2.6,3.4,4.4,5.2,6.8,7.6,8.8,11.6,15.5,20.2,22.9 26,1.3,2.6,3.4,4.4,5.2,6.8,7.6,9.0,11.7,15.9,20.4,23.3 27,1.3,2.7,3.4,4.4,5.2,6.8,7.6,9.0,11.8,16.3,20.6,23.8 28,1.4,2.7,3.4,4.4,5.2,6.8,7.6,9.2,11.9,16.6,20.6,23.8 29,1.4,2.8,3.4,4.4,,6.8,7.6,9.2,11.9,16.6,20.6,24.1 30,1.5,2.8,3.4,4.4,,6.8,7.6,9.2,11.9,16.6,20.6,24.1 31,1.6,,3.5,4.6,,6.8,,9.2,,16.6,21.1,