#------------------------------------------------- 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 Average (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, 6:47:13 PM GMT-08:00 # Day,Oct,Nov,Dec,Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep ,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values,Average Precipitation Accumulation (1991-2020) (in) Start of Month Values 01,0.0,1.7,3.0,3.9,4.9,6.0,7.1,8.3,9.5,12.4,16.6,21.4 02,0.0,1.7,3.0,3.9,4.9,6.1,7.1,8.3,9.7,12.6,16.8,21.6 03,0.1,1.7,3.0,3.9,4.9,6.1,7.1,8.3,9.8,12.8,17.0,21.8 04,0.1,1.8,3.1,3.9,4.9,6.2,7.2,8.4,9.9,12.8,17.1,21.9 05,0.2,1.8,3.1,4.0,4.9,6.2,7.2,8.4,10.0,13.0,17.2,22.0 06,0.3,1.9,3.2,4.1,5.0,6.3,7.2,8.4,10.1,13.1,17.4,22.0 07,0.4,1.9,3.1,4.2,5.0,6.4,7.3,8.5,10.1,13.2,17.7,22.1 08,0.4,1.9,3.1,4.2,5.0,6.4,7.3,8.5,10.2,13.5,17.8,22.1 09,0.5,2.0,3.2,4.2,5.0,6.4,7.3,8.5,10.2,13.6,17.8,22.2 10,0.6,2.0,3.2,4.3,5.1,6.5,7.4,8.5,10.3,13.8,18.0,22.3 11,0.7,2.1,3.2,4.3,5.1,6.5,7.4,8.6,10.4,13.9,18.2,22.4 12,0.8,2.2,3.2,4.3,5.1,6.5,7.4,8.6,10.5,14.0,18.2,22.5 13,0.9,2.2,3.3,4.3,5.3,6.5,7.4,8.6,10.5,14.1,18.4,22.6 14,0.9,2.3,3.3,4.4,5.4,6.5,7.5,8.7,10.6,14.3,18.6,22.7 15,1.0,2.3,3.4,4.4,5.4,6.5,7.5,8.7,10.7,14.3,18.7,22.7 16,1.0,2.4,3.4,4.5,5.4,6.6,7.5,8.7,10.8,14.5,18.9,22.8 17,1.0,2.4,3.4,4.5,5.4,6.6,7.6,8.8,10.9,14.6,19.0,22.8 18,1.1,2.5,3.4,4.5,5.5,6.6,7.6,8.8,10.9,14.8,19.2,22.9 19,1.1,2.5,3.5,4.6,5.5,6.6,7.6,8.9,11.0,15.0,19.4,22.9 20,1.2,2.5,3.5,4.6,5.6,6.6,7.7,8.9,11.1,15.2,19.5,23.0 21,1.2,2.6,3.5,4.6,5.6,6.7,7.8,8.9,11.2,15.4,19.7,23.1 22,1.3,2.6,3.6,4.7,5.7,6.7,7.9,8.9,11.4,15.5,19.8,23.2 23,1.3,2.7,3.6,4.7,5.7,6.7,7.9,9.0,11.6,15.6,19.9,23.2 24,1.3,2.7,3.6,4.7,5.8,6.7,7.9,9.1,11.7,15.6,20.0,23.4 25,1.4,2.8,3.6,4.7,5.8,6.8,8.0,9.2,11.8,15.7,20.2,23.5 26,1.4,2.8,3.7,4.8,5.9,6.8,8.0,9.3,12.0,15.9,20.4,23.6 27,1.5,2.8,3.7,4.8,6.0,6.8,8.0,9.3,12.1,16.0,20.6,23.7 28,1.5,2.9,3.8,4.8,6.0,6.8,8.1,9.3,12.2,16.3,20.8,23.8 29,1.5,2.9,3.8,4.8,,6.9,8.1,9.4,12.3,16.4,20.8,23.9 30,1.6,2.9,3.8,4.9,,6.9,8.2,9.4,12.4,16.5,21.0,24.0 31,1.6,,3.9,4.9,,6.9,,9.5,,16.6,21.1,